ENGINEERING RESEARCH PAPERS

photonics research papers recent 2014




InAs/GaAs quantum-dot lasers and detectors on silicon substrates for silicon photonics
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ABSTRACT We present the development of InAs/GaAs quantum-dot devices monolithically grown on Si substrates for silicon photonics. Room-temperature cw lasing at 1.3 µm has

Photonics advances in fundamental sciences and engineering technologies of light
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Photonics is a field of sciences that focuses on the pursuit of the understanding basic properties of light, the interaction of light with materials, the fundamental concepts and technologies for generating and controlling the properties of light, the concept and

Metal-organic Frameworks for Photonics Applications
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Photonics, the science of light emission, transmission, modulation, manipulation, and detection, are playing an essential role in many fields, including information processing, communication technologies, military, and biomedicine. Compared to electronics,

Photonics beyond diffraction limit: Plasmon waveguide, cavities and integrated laser circuits
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I will discuss recent development in scaling down photonics. First I will present theoretical and experimental investigation of passive low loss waveguide using hybrid plasmon design. We propose a new optical cavity design approach using indefinite medium that has a

Advances in Optics and Photonics First Impact Factor 9.688: Editorial
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In late July of this year, Thomson Reuters released its Journal Citation Reports (JCR). The JCR provide many evaluation metrics for scholarly journals. The most famous of these is, of course, the Impact Factor. I am pleased to announce to the Advances in Optics and

Is photonics the new electronics
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Silicon dioxide, also known as silica, is commonly found in nature, in sand or quartz, and is one of the most abundant chemical compounds on earth. Humans discovered how to transform the silica into silicon, and today almost all of our modern technology is based on

PROCEEDINGS-2013 Annual Workshop of the IEEE/Photonics Benelux Chapter Materials, Devices and Systems in Optics and Photonics
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optics, photonics, lasers, semiconductors, semiconductor lasers, optical gain, metamaterials, integrated optics, lightwave technology, left-handed materials, fibres,

Discrete beam combiners: 3D photonics for future interferometers
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Abstract. We present the results of an experimental research aiming at investigating the potential of three-dimensional (3D) photonics for astronomical interferometry. We found that a simple two dimensional array of evanescently coupled waveguides (the so called

50 Gb/s silicon photonics receiver with low insertion loss
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ABSTRACT Optical (de) multiplexers which can provide low insertion loss, low cross-talk, high thermal stability and insensitivity to fabrication tolerances are essential components for silicon photonics integration. In this paper we demonstrate the integration of an angled

Experimental Demonstration of TM Lateral Leakage in a Standard SOI Photonics Platform
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ABSTRACT We provide an experimental demonstration of the width dependent losses of the fundamental TM guided mode in fabricated silicon-on-insulator shallow etched ridge waveguides. I. INTRODUCTION Shallowly etched ridge silicon-on-insulator (SOI) waveg- uides operating in TM

Comparison of heater architecture for thermal control of silicon photonics circuits
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ABSTRACT We present a comparison of integrated heaters for silicon photonics, based on doped silicon, silicide and tungsten metallization, with and without trenches and undercut for insulation. Results show similar thermo-optic efficiency, but with electrical resistivities

MEMS and Photonics Module Integration into SiGe BiCMOS Technologies for More than Moore Functional Diversification B. Tillack1, 2, B. Heinemann1, M.
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More Than Moore functional diversification by combining different technologies is enlarging the spectrum for embedded system applications. In this paper we focus on the monolithic integration approach of optical components into the front-end-off-line (FEOL) to

Back-end deposited silicon photonics for monolithic integration on CMOS
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ABSTRACT We present the vision of back-end deposited silicon photonics (BDSP) and review works that have been done in this field. Individual aspects of BDSP platform including excimer-laserannealed polycrystalline silicon, low-loss plasma-enhanced chemical vapor

Breakthroughs in photonics 2013: holographic imaging
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ABSTRACT Although holography is topic that goes back to the 1950s, the research in this field continues to be very active worldwide. A continuous growth is confirmed by the publication of more than 2000 papers each year in archival journal on different holographic issues.

25 Gb/s Transmission over 820m of MMF using a multimode launch from an integrated Siliconphotonics transceiver
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Abstract We demonstrate 25Gb/s transmission over a record 820m MMF using a multimode launch from an integrated SiPh transceiver through a new fiber optimized for high bandwidth at 1310nm with a power penalty of 3.4 dB at 10-12 BER. Detailed characteristics of the

Living Light editorial: Photonics from living materials
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Light plays a fundamental role in biology. It allows living beings to see and to recognize themselves. Recognition between species often goes beyond simple shape recognition, for light can convey important additional information. Often of pigment origin, but then of little

Biological sensing with integrated silicon and silicon nitride photonics
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ABSTRACT Due to their unique properties to conne and guide light, integrated silicon and silicon nitride photonic chips are currently investigated for biomolecule sensing. We will discuss key integrated photonic structures that have been recently demonstrated for bio

Breakthroughs in photonics 2012: breakthroughs in optical parametric oscillators
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ABSTRACT The latest breakthroughs in optical parametric oscillators (OPOs) for the generation of tunable coherent radiation from the continuous-wave to femtosecond timescales are presented. Advancement of novel device concepts, development of phasecoherent and

Breakthroughs in Photonics 2012: Breakthroughs in Filamentation
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ABSTRACT Recent exciting results from research in femtosecond laser pulse filamentation in transparent media are presented, with an emphasis on experiments in gases. Index Terms:

Photonic structured solar cells to enhance current and voltage
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Solar energy is a vast resource, and next-generation photovoltaic (PV) devices could enable clean, renewable energy on a far greater scale than at present. Current systems operate at 30% power conversion efficiency, but the theoretical limit is 86%. This discrepancy

triplet in organic one-dimensional photonic crystal microcavity
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This work investigates nonlinear transmission properties of cavity polaritons in a one- dimensional photonic crystal microcavity containing pseudoisocyanine J-aggregates. It was observed that an unexpected transmission peak appeared between the two peaks of

Bose-Einstein condensation of photons in a microscopic optical resonator: towards photoniclatices and coupled cavities
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abstract Bose-Einstein condensation has in the last two decades been observed in cold atomic gases and in solid-state physics quasiparticles, exciton-polaritons and magnons, respectively. The perhaps most widely known example of a bosonic gas, photons in

Design of an efficient photonic crystal beam laser
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ABSTRACT Light sources on the micro and nano-scale have been of great interest in recent years. Especially for data communication over centimeters densely integrated lasers are required. Ultra-small devices have been demonstrated ; the efficiency of such devices

Conference 8983: Organic Photonic Materials and Devices XVI
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A first example will be given by luminescent [PtLX] complexes, L being a 1, 3-di (2-pyridyl) benzene ligand and X is an ancillary monodentate halide or acetylide ligand. The complementary use of electric-field-induced second-harmonic (EFISH) generation and

Layer Homogenization Method for Modeling Additive Color Effect in Natural PhotonicPolycrystals The Case of Entimus imperialis Weevil
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ABSTRACT An original method for computing the reflectance of photonic crystal whose unit cell is composed of form-birefringence anisotropic elements (eg, cylindres) is proposed. This method, based on the layer homogenization of the photonic crystal, is particularly useful

Hybrid silicon photonic integrated circuit technology
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ABSTRACT In this paper, we review the current status of the hy-brid silicon photonic integration platform with emphasis on its prospects for increased integration complexity. The hybrid silicon platform is maturing fast as increasingly complex circuits are reported with

Mode-selective dissimilar fiber photonic-lantern spatial multiplexers for few-mode fiber
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Abstract We demonstrate a 3 core fiber-based photonic lantern spatial-multiplexer that selectively excites the LP01 and LP11 modes. The mode-selectivity is greater than 6 dB and

Photonic Network-on-Chip Design
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This book is a product of an emerging interdisciplinary field that is using photonic communications to address many of the challenges associated with scaling computing system performance. With the emergence of multicore architectures and the ever-growing

EFFICIENT SOLAR LIGHT HARVESTING DEVICE BASED ON MULTILAYER PHOTONICCRYSTAL FILMS
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We fabricate, characterize and calculate photonic-colloidal crystals. We propose to use wave guiding properties of photonic crystal films to concentrate large amount of sunlight

High-Performance Free-Space Photonic Links for Frequency/Time Transfer
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ABSTRACT We discuss optical two-way time and frequency transfer over air to connect remote optical clocks/oscillators. This method can link remote sites with a residual timing noise of

COMPACT TUNABLE AND RECONFIGURABLE MICROWAVE PHOTONIC FILTER FOR SATELLITE PAYLOADS
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The trend towards the photonic processing of electrical signals at microwave frequencies for satellite payloads is increasing at a breathtaking pace, mainly spurred by prospects of wide electrical bandwidth operation, low mass and volume, reduced electrical noise levels,

On-chip ultra-wideband microwave photonic phase shifter and true time delay line based on a single phase-shifted waveguide Bragg grating
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ABSTRACT We propose and experimentally demonstrate a novel, ultra-broadband and continuously tunable integrated microwave photonic processor that can operate both as a RF phase shifter (PS) and a true-time-delay (TTD) line. The device is implemented with a

Single-mode lasing of Lambda-scale Embedded Active-region Photonic-crystal (LEAP) laser with in-line coupled waveguide
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Abstract We propose a new design for buried heterostructure photonic crystal nanocavity lasers with in-line coupled output waveguides and coupling buffer regions. This design enables us to realize single-mode lasing and a high output power for a current-injected

High Temperature Operation of Lambda-scale Embedded Active-region Photonic-crystal Lasers
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Abstract We have developed an electrically driven photonic-crystal nanocavity laser with an ultra-low threshold current and a high temperature characteristic. Lasing is achieved under

Shine and Hide: Biological Photonic Crystals on the Wings of Weevils
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ABSTRACT The body and elytra of the diamond weevil, Entimus imperialis, is studded with numerous brightly colored scales. The scales exhibit brilliant reflections because they contain unusually large diamond-type photonic crystals. The scales are concentrated in

Enhancing Light Manipulation by Graded Index Photonic Crystal Media
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Various light manipulation scenarios including self-collimation, mode conversion, beam bending, and coupling properties of graded index (GRIN) media are explored. Specifically designed GRIN media yields impressive results with broad bandwidths that cover both

Five-port optical router based on microring switches for photonic networks-on-chip
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ABSTRACT We demonstrate a five-port optical router that is suitable for large-scale photonic networks-on-chip. The optical router is designed to passively route the optical signal travelling in one direction and actively route the optical signal making a turn. In the case

Chiral Photonic Crystals with 4-fold Symmetry: Band Structure and S-Parameters of Eight-Fold Intergrown Gyroid Nets
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ABSTRACT The Single Gyroid, or srs, nanostructure has attracted interest as a circular- polarisation sensitive photonic material. We develop a group theoretical and scattering matrix method, applicable to any photonic crystal with symmetry I432, to demonstrate the

Hybrid integrated DWDM silicon photonic transceiver with self-adaptive CMOS circuits
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ABSTRACT We present a DWDM silicon photonic transceiver with self-adaptive CMOS circuits. The energy efficiency is 808fJ/bit at 5Gbps for a ring-modulator based transmitter and

Photonic structured solar cells to enhance current and voltage
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Solar energy is a vast resource, and next-generation photovoltaic (PV) devices could enable clean, renewable energy on a far greater scale than at present. Current systems operate at< 30% power conversion efficiency, but the theoretical limit is> 86%. This discrepancy

Design of an efficient photonic crystal beam laser
free download

ABSTRACT Light sources on the micro and nano-scale have been of great interest in recent years. Especially for data communication over centimeters densely integrated lasers are required. Ultra-small devices have been demonstrated ; the efficiency of such devices

Conference 8983: Organic Photonic Materials and Devices XVI
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A first example will be given by luminescent [PtLX] complexes, L being a 1, 3-di (2-pyridyl) benzene ligand and X is an ancillary monodentate halide or acetylide ligand. The complementary use of electric-field-induced second-harmonic (EFISH) generation and

Photonic Network-on-Chip Design
free download

This book is a product of an emerging interdisciplinary field that is using photonic communications to address many of the challenges associated with scaling computing system performance. With the emergence of multicore architectures and the ever-growing

EFFICIENT SOLAR LIGHT HARVESTING DEVICE BASED ON MULTILAYER PHOTONICCRYSTAL FILMS
free download

We fabricate, characterize and calculate photonic-colloidal crystals. We propose to use wave guiding properties of photonic crystal films to concentrate large amount of sunlight

COMPACT TUNABLE AND RECONFIGURABLE MICROWAVE PHOTONIC FILTER FOR SATELLITE PAYLOADS
free download

The trend towards the photonic processing of electrical signals at microwave frequencies for satellite payloads is increasing at a breathtaking pace, mainly spurred by prospects of wide electrical bandwidth operation, low mass and volume, reduced electrical noise levels,

Conference 9127: Photonic Crystal Materials and devices
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Recently, it has been shown that silica artificial opals possess a PBG controlable by simple heating on a hot plate . Submicrometer silica spheres easily form high-quality facecentered-cubic (fcc) structures displaying a Bragg peak (the lowest energy PBG) in

Conference 9371: Photonic and Phononic Properties of Engineered Nanostructures V
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Progress in understanding resonant subwavelength structures has fueled an explosion of interest in fundamental processes and nanophotonic devices. The carrier density and optical properties of photonic nanostructures are typically fixed at the time of fabrication, but field

A New Design for Photonic Crystal Ring Resonator Based Add-Drop Filter Using Nested Rectangular Rings
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ABSTRACT In this paper using nested Rectangular resonator we have designed an add- drop filter based on photonic crystal structures suitable for optical communication applications. The drop efficiency and the quality factor of our proposed filter is 100% and

Design of New Compact Photonic Band Gap Filter and Their Advantages
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ABSTRACT In this paper it has been reported that the insertion loss is improving and return loss is maximizing due to the effect of photonic band gap structure. Using photonic band gap structure on the filter surfaces have been provided information about the increasing

Below you will find a list of scientific articles published by means of our laser lithography systems Photonic Professional. Please note that Nanoscribe's website
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Below you will find a list of scientific articles published by means of our laser lithography systems Photonic Professional. Please note that Nanoscribe's website provides this list with corresponding

Photonic Simulation Of The Dirac Equation In Metamaterials
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The Dirac equation provides a description of relativistic quantum mechanics for an elementary spin-1/2 particle, which predates the discovery of positron, an anti-particle of electron in high energy physics, and also has extensive applications in condensed matter

Scalability of Silicon Photonic Enabled Optically Connected Memory
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ABSTRACT We investigate the performance of a high-speed optical switch for optically connected memory and study free-carrier absorption losses as the switch scales. The bit-

Analytical Computation of Density of States of One-Dimensional Photonic Crystal under Polarized Incident Wave for Different Materials
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ABSTRACT In this paper, a comparative analysis is made for density of states function of one-dimensional finite photonic crystal for both s and p-polarized wave incidences with different material compositions. Computation is carried out for AlxGa1-xN/GaN

Silicon photonic integration platform-have we found the sweet spot
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ABSTRACT The current trend in silicon photonics towards higher levels of integration as well as the model of using CMOS foundries for fabrication are leading to a need for standardization of substrate parameters and fabrication processes. In particular, for

Large Bandwidth and High Accuracy Photonic-Assisted Instantaneous Microwave Frequency Estimation System based on an Integrated Silicon Micro-
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ABSTRACT We demonstrate two instantaneous frequency measurement systems based on silicon photonics. One has a large bandwidth from 0.5 GHz to 35 GHz, while the other one exhibits a small RMS error of 63 MHz. Keywords instantaneous frequency measurement,

A simple strategy for improving fluorescent immunoassays using photonic crystals
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Very recently, optical nanostructures made of metal on dielectrics have been proposed to perform photon management features mediated by surface or localized plasmons. In particular, resonant ring-shaped antennas have been demonstrated to enhance the

A photonic crystal fibre tip refractometer based on multimode interference
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ABSTRACT A compact singlemode-photonic crystal fibre-singlemode fibre tip (SPST) refractive index sensor is demonstrated in this paper. A CO2 laser cleaving is exploited to provide a clean-cut fibre tip which is then coated by a layer of gold to increase reflection.

Implications for photonic applications of diatom growth and frustule nanostructure changes in response to different light wavelengths
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ABSTRACT Diatoms are unicellular algae enclosed in intricate bio-silicified walls with repetitive nanostructures in a size range which makes them potentially relevant for a broad spectrum of industrial applications. How to optimize the nano-scale structures of the

Photonic Crystal (PC) Waveguide Based Optical Filters for Dense Integration of High Sensitivity PC Biosensors
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ABSTRACT A photonic crystal (PC) waveguide based optical filter that enables dense integration of high sensitivity L55 PC microcavities for biosensor microarrays is demonstrated. OCIS codes:(280.0280) Remote sensing and sensors;(050.5298) Photonic

Physical layer analysis and modeling of silicon photonic WDM bus architectures
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ABSTRACT Silicon photonic single mode links employing dense wavelengthdivision multiplexing (WDM) offer a large bandwidth-distance product, high bandwidth density, and potential for close integration with compute logic leveraging CMOS-compatible fabrication

Coherent Four-Wave Mixing on Hybrid Graphene-Silicon Photonic Crystals
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ABSTRACT By placing monolayer graphene on silicon membrane, the effective Kerr coefficient of the hybrid media is enhanced 20 times compared to monolithic silicon. Optical four-wave mixing in graphene-silicon photonic crystal waveguide and a single mode

Photonic band gap and defect mode characterization in two dimensional plasmonic and dielectric photonic crystal
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ABSTRACT A numerical method, based on finite difference frequency domain (FDFD), for analyzing circular defect in two dimensional plasmonic photonic crystal with square lattice as well as dielectric one is presented. The band structure and defect modes are studied.

Tunable Selective Liquid Infiltration: Applications to Low Loss Birefringent Photonic Crystal Fibers (PCF) and Its Single Mode Realization
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Abstract In this article, we've theoretically investigated the application of selective liquid infiltration towards realizing birefringent Photonic Crystal Fiber (PCF) and its operation in the single mode region. Birefringence has been created in a symmetrical structure PCF by

Chiral hyperbolic metamaterial as a robust photonic topological insulator
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Topological insulators represent a new phase of matter which remain insulating for bulk electron transport while supporting protected one--way edge states. Recently it has been shown that the concept of topological order can also be transferred to photonic systems.

A Newton-Type Method with Non-equivalence Deflation for Nonlinear Eigenvalue Problems Arising in Photonic Crystal Modeling
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Abstract. The numerical simulation of the band structure of three-dimensional dispersive metallic photonic crystals with face-centered cubic lattices leads to large-scale nonlinear eigenvalue problems, which are very challenging due to a high dimensional subspace

High-speed fourth-order photonic differentiator based on silicon self-coupled optical-waveguide resonator
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ABSTRACT We propose and experimentally demonstrate the first on-chip fourth-order photonic differentiator implemented by silicon four-stage self-coupled optical-waveguide (FS- SCOW) resonator. Fourth-order differentiation of picosecond pulse signal at a high

A path to 300 mm hybrid silicon photonic integrated circuits
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ABSTRACT We describe recent advances in hybrid silicon components and photonic integrated circuits. We present a path towards scalable, ultralow cost photonic integrated

Dynamics of Optically Trapped Microparticles in Hollow-Core Photonic Crystal Fibers
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Abstract Optical trapping enables measuring and exploiting tiny forces that are exerted on micron-sized particles. Inserting a microparticle into the air-filled hollow core of a photonic crystal fiber (PCF) shields the particle from external influences while enabling interactions

Y-type polarization beam splitter based on polarization-selective defects within crystal waveguides in a square-lattice photonic crystal with solid rods
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We propose a Y-type polarization beam splitter based on internal polarization-selective defects within crystal waveguides in a two-dimensional square-lattice photonic crystal with solid rods. When the nonpolarized light launches from the input port, different

A wdm silicon photonic transmitter based on carrier-injection microring modulators
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We present a 5 x 10 Gbps WDM silicon photonic transmitter based on carrier-injection type microring modulators. Resonant wavelengths can be adjusted by both thermal heaters and bias

Design of Low Dispersion Photonic Crystal Fiber Using Smoothing Filter Coefficients
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ABSTRACT In this paper, the designs for Photonic Crystal Fiber (PCF) with elliptical air holes having rectangular lattice are proposed. These designs are derived from the coefficients of smoothing Filter. These designs are very practical and easily applicable.

Monolithic 50x50 MEMS silicon photonic switches with microsecond response time
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Fast optical circuit switches (OCS) can deliver reconfigurable bandwidth in datacenter networks, augmenting electronic packaging switching and offering potential cost saving and performance improvement [1,2]. 3D MEMS- based OCS has been used in datacenter-

Tunable Photonic Crystals Based on Electrochemically Etched Porous Silicon
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In this paper, porous silicon photonic crystals were simulated and fabricated as distributed Bragg reflectors (DBRs), graded DBRs and Fabry-Perot (FP) filters. The transfer matrix method (TMM) was used to model the propagation of light in the photonic crystal. The

Fully Monolithic Photonic Integrated Circuits for Microwave and Millimeter Wave Signal Generation
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ABSTRACT We present two different photonic integrated circuits aimed to generate electrical signals within the microwave and millimeter wave range with two different techniques. The first approach uses the heterodyne technique, implementing a monolithic dual wavelength

Dynamic reconfiguration of silicon photonic circuit switched interconnection networks
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ABSTRACT Silicon photonic interconnection networks can provide significant advantages in bandwidth densities and data communication energy efficiencies over electronic- interconnected systems. However, due to the circuit switched nature of photonics, the

Low-cost silicon photonic temperature sensor using broadband light source
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ABSTRACT A silicon photonic temperature sensor based on a novel asymmetric balanced Mach–Zehnder Interferometer is proposed. This new structure enables temperature sensing using low-cost broadband light sources such as LED. Keywords Silicon photonics, Low-

Fabrication of SbSI Photonic Crystals
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Photonic crystals (PCs) with periodically modulated dielectric constant have gathered great importance in recent years . They possess a band gap for electromagnetic waves similar to that for electrons in crystalline semiconductors. Value of this gap strongly depends on

Microwave Photonic Self-Interference Cancellation System Using a Slow and Fast Light Delay Line
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ABSTRACT We demonstrate a microwave photonic system to perform wideband, radio- frequency self-interference cancellation. The tunable optical time delay is implemented using a novel semiconductor slow and fast light delay line that enables fast electrical

A Photonic Integrated Fractional Hilbert Transformer With Continuous Tunability
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ABSTRACT A continuously tunable fractional Hilbert transformer based on a photonic integrated chip in an InP-InGaAsP material system consisting of semiconductor optical amplifiers and current injection phase modulators is proposed and experimentally

Group velocity dispersion in liquid crystal-filled photonic crystal fibers
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Photonic crystal fibers (PCFs) are a relatively new type of optical fibers in which light is confined by a micro-structured cladding1 while the guiding in standard optical fibers (SIFs) is based on a refractive index difference between core and cladding. One kind of this type of

Photonic structures in biology: A possible blueprint for nanotechnology
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Abstract Nature has had millions of years to optimize photonic crystals-an endeavour mankind only really began in the 1980s. Often, we attempt to mimic and expand upon nature's designs in creating photonic structures that meet our technology-driven needs.

A high-speed second-order photonic differentiator based on two-stage silicon self-coupled optical waveguide
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ABSTRACT In this paper, we propose and demonstrate an all-optical second-order differentiator based on a two-stage self-coupled optical waveguide on a silicon-on-insulator platform. The transmission spectrum of the fabricated device has a parabola-like filtering

Effect of Optical Gain Factor on Transmittivity of SiO2-Air 1D Photonic Crystal under Polarized and Normal Incidence
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ABSTRACT In this paper, transmittivity of photonic crystal-based bandpass filter is numerically simulated for both normal and oblique incidence of electromagnetic wave considering the effect of optical gain factor. Results are compared with that obtained for normal incidence,

Photonic Integrated Circuits with Wavelength Tunable Lasers
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ABSTRACT Efforts to develop monolithic tunable lasers required the integration of several different waveguide elements, such as gain, phase modulator, and grating mirror sections.

Spectroscopic studies of Ho3+ doped SiO2-TiO2 nanoparticle for photonic applications
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ABSTRACT The spectroscopic properties of Ho3+ in SiO2-TiO2 were investigated using optical absorption and fluorescence studies. The intensities of the electric dipole transitions of Ho3+ in the SiO2-TiO2 doped glasses were calculated from the absorption spectra in

Analysis of waveguides coupling in Photonic Crystal Power-Splitter
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ABSTRACT In this paper, we suggest a new power-splitter in two-dimensional photonic crystals which can be used for photonic integrated circuits. The proposed power-splitter mechanisms is similar to threewaveguide directional couplers and uses coupling between

III-V ON SILICON MICRO-PHOTONIC CIRCUITS FOR FREQUENCY DOWNCONVERSION OF RF SIGNALS
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RF frequency downconverters are of key importance in communication satellites. Classically, this is implemented using an electronic mixer. In this paper we explore the use of photonic technology to realize the same functionality. The potential advantages of such

Core Mode-Cladding Supermode Modal Interferometer and High-Temperature Sensing Application Based on All-Solid Photonic Bandgap Fiber
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ABSTRACT A core-mode–cladding-supermode modal interferometer with all-solid photonic bandgap fiber (AS-PBF) is constructed, and a reflective Michelson-type high-temperature sensor is fabricated. Such a fiber sensor is constituted by a small segment of AS-PBF and

Conference 8994: Photonic and Phononic Properties of Engineered Nanostructures IV
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Addition of active gain material into silicon photonics has been a challenging goal that has recently been realized in various ways. In this presentation, we will provide an overview of the traditional methods of wafer-bonding of laser material to silicon as well as explore new

Optimization of Highly Efficient Mode Converter for Coupling Light into Large-slot PhotonicCrystal Waveguide
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Slotted photonic crystal waveguides (SPCW) have recently emerged as a focus of research in silicon photonics and optical interconnects. In SPCW, the strong optical confinement in a low index cladding such as air or polymers is combined with the size-reduction effect

Observation of 4.4 dB Brillouin gain in a silicon photonic wire
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ABSTRACT We report the first observation of a hypersonic mode of a small-core silicon wire. In particular, we achieve record 4.4 dB on/off continuous-wave Brillouin gain at 1550 nm. The

The forward-wave and backward-wave behaviors of electromagnetic waves in two-dimensional photonic crystals
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The negative refractions are discussed in detail to demonstrate two different two- dimensional photonic crystal structures that undergo negative refractions associated with the backward-wave and forward-wave phenomenon, respectively. The presentation of the left-

INTEGRATED PHOTONIC CIRCUITS ON SILICON
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TWRs on SOI platform are a key building block in Si photonics, owing to their high quality factors and small mode volumes, as well as mechanical stability and simple design. The most common planar TWR architectures were introduced in Figure 2.4. The highest

Low-voltage Ge avalanche photodetector for highly sensitive 10Gb/s Si photonic receivers
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ABSTRACT We demonstrate low-voltage germanium waveguide avalanche photodetectors (APD) with gainbandwidth product of 88GHz. A 7.1 dB sensitivity improvement is demonstrated for an APD wire-bonded to a 10Gb/s CMOS transimpedance amplifier, at- Excitonic and photonic processes are responsible for the operation of many optoelectronic devices including solar cells, electroluminescent devices such as LEDs and OLEDs, quantum well and quantum dot lasers, detectors, scintillators, carbon nanotube-based

Photonic Crystal Laser Based Gas Sensor
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The development of new radiation source technologies has a major impact on the progression of optical trace gas detection . Especially semiconductor diode lasers have proven to be extraordinarily suitable devices for spectroscopic sensors. Their small size

Programmable Wavelength Locking and Routing in a Silicon-Photonic Interconnection Network Implementation
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ABSTRACT A programmable control system for wavelength locking WDM channels on microring arrays is used to demonstrate arbitrary demultiplexing and selection of fast switchable wavelengths. Successful data measurements verify the functionality within an

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