photonics research paper-2012

photonics research paper-2012




Slow Light Devices and Their Applications to Microwaves and Photonics
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Abstract Recently developed, highly effective technologies enabling slow light propagation as a tunable feature in photonic devices, are reviewed. Several applications in ICT are also demonstrated. Controlling the group velocity of light offers a broadband solution to a

Conference 8431: Silicon Photonics and Photonic Integrated Circuits
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Nonlinear silicon photonics is a novel and very promising research field where a strong research effort has been spent in the last decade worldwide. The demonstration of optical devices like linear and nonlinear ultrafast electro-optical modulators, frequency converters

Conference 8435: Organic Photonics
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In the past few years solid state lighting has entered the lighting market with its energy saving potentials and long operational lifetime. The new technology enables completely new ways of illumination and new intelligent lighting systems. In this regard organic light

Conference 8438: Photonics for Solar Energy Systems
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Up-conversion (UC) and down-conversion (DC) of sunlight are two possible routes for improving energy harvesting over the whole solar spectrum and overcoming the Shockley- Queisser limit for a singlejunction photovoltaic (PV) device. The effect of adding an DC

III-V-on-silicon membrane photonics for near-infrared and mid-infrared apllications
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G. Roelkens, S. Keyvaninia, S. Stankovic, M. Tassaert, N. Hattasan, A. Gassenq, P. De Heyn, Y. De Koninck, P. Mechet, R. Kumar, M. Muneeb, D. Vermeulen, G. Morthier, R. Baets, D. Van Thourhout Photonics Research Group ,INTEC Ghent University ,imec Ghent, Belgium

Breakthroughs in nonlinear silicon photonics 2011
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ABSTRACT We present an overview of the recent developments in nonlinear silicon photonics. There were significant advances in devices exploiting the (2) and (3) nonlinearities. Here, we discuss parametric amplification, wavelength conversion, supercontinuum generation,

Silicon photonics based evanescent sensor for absorption spectroscopy of glucose
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Diabetes is a health condition that affects a rapidly growing number of people who can all benefit from tight blood glucose monitoring. To this end we develop an implantable continuous blood glucose sensor for long-term use. The detection principle is near-

Doped gallium oxide nanowires for photonics
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ABSTRACT Monoclinic gallium oxide, -Ga2O3, is a transparent conducting oxide (TCO) that presents one of the widest band gaps among this family of materials. Its characteristics make it highly interesting for applications in UV–visible-IR optoelectronic and photonic

Conference 8436: Optics, Photonics and Digital Technologies for Multimedia Applications
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The introduction of lasers for projection applications is hampered by the emergence of speckle. In order to evaluate the speckle distorted image quality, it is important to devise an objective way to measure the amount of speckle. Mathematically, speckle can be

Silicon Photonics and Photonic Integrated Circuits III
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The papers included in this volume were part of the technical conference cited on the cover and title page. Papers were selected and subject to review by the editors and conference program committee. Some conference presentations may not be available for publication.

Nonlinearities in silicon photonics: something to exploit or to counteract?
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Abstract In the 1550-nm wavelength range, silicon waveguides exhibit a plethora of non- linear phenomena arising when the optical power is sufficiently intense. Inside optical resonators the efficiency of wave mixing effects is largely enhanced and can be effectively

Semiconducting hexagonal boron nitride for deep ultraviolet photonics
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Abstract Hexagonal boron nitride (hBN) has been recognized as an important material for various device applications and as a template for graphene electronics. Low-dimensional hBN is expected to possess rich physical properties, similar to graphene. The synthesis of

Low-energy-consumption hybrid lasers for silicon photonics
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ABSTRACT Physics and characteristics of a hybrid vertical-cavity laser that can be an on- chip Si light source with high speed and low energy consumption are discussed. Keywords: hybrid laser, silicon photonics, optical interconnects, HCG, high-index-contrast grating.

Programmed resist sidewall profiles using sub-resolution binary gray-scale masks for Si-photonics applications
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ABSTRACT In this paper we present a 45-degree mirror created for optical applications utilizing CMOS high-volume manufacturing processes with a gray-scale lithography technique. The process that is presented here was done by creating a 3D pattern in the

Photonics and Imaging in Biology and Medicine (PIBM 2011)
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SPIE is an international society advancing an interdisciplinary approach to the science and application of light.  Qingming Luo Lihong V. Wang Valery V. Tuchin Editors  Sponsored and Organized by Huazhong University of Science and Technology (China) Wuhan National Laboratory

PROJECT-BASED LEARNING WITH AN ONLINE PEER ASSESSMENT SYSTEM IN APHOTONICS INSTRUCTION FOR ENHANCING LED DESIGN SKILLS
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ABSTRACT This study proposed a novel instructional approach, a two-stage LED simulation of Project-based learning (PBL) course with online peer assessment (OPA), and explored how to apply OPA to the different structured problems in a PBL course to enhance

Novel collective effects in integrated photonics
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ABSTRACT Superradiance, the enhanced collective emission of energy from a coherent ensemble of quantum systems, has been typically studied in atomic ensembles. In this work we study theoretically the enhanced emission of energy from coherent ensembles of

42.13 Gbit/S 16qam-OFDM Photonics-Wireless Transmission in 75-110 GHz Band
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ABSTRACT We present a simple architecture for realizing high capacity W-band (75-110 GHz) photonics-wireless system. 42.13 Gbit/s 16QAM-OFDM optical baseband signal is obtained in a seamless 15 GHz spectral bandwidth by using an optical frequency comb generator,

WILGA Photonics and Web Engineering, January 2012; EuCARD Sessions on HEP and Accelerator Technology
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ABSTRACT The paper presents a digest of chosen technical work results shown by young researchers from technical universities during the SPIE-IEEE Wilga January 2012 Symposium on Photonics and Web Engineering. Topical tracks of the symposium

Organic Photonics V
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The papers included in this volume were part of the technical conference cited on the cover and title page. Papers were selected and subject to review by the editors and conference program committee. Some conference presentations may not be available for publication.

Planar integrated photonics spectrograph on silicon-nitride-on-insulator: Densely integrated systems for Astrophotonics and Spectroscopy
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ABSTRACT A conventional Arrayed Waveguide Grating (AWG) has been modified, without output receiver waveguides, for nonconventional applications such as Astrophotonics and spectroscopy sensing where the input signal can have information over the entire band

Preface: The Fifth International Workshop on Theoretical and Computational Nano-Photonics2012
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The Fifth International Workshop on Theoretical and Computational Nano Photonics (TaCoNa Photonics 2012) continues a series of international workshops focused on current trends and problems in theoretical and computational photonics of micro and nano

Simulation of high-Q nanocavities with 1D photonics gap
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Abstract We report on theoretical investigation of a hybrid cavity structure which has been conducted within the European Action COST MPO702. The structure, which can reach ultrahigh Q factors, consists of a size-modulated 1D stack cavity made in a III-V material

Recent advances in manufactured silicon photonics
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ABSTRACT The need for low-energy high bandwidth optical solutions is driving the acceptance of silicon photonics as the platform of choice to address connectivity bottlenecks. Kotura has focused on the development of a manufacturable silicon photonics platform to

Photoalignment and photopatterning in liquid crystal photonics
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ABSTRACT We have already used photoalignment and photopatterning materials to align LC in superthin photonic holes, curved and 3D surfaces and as cladding layers in microring silicon based resonators. We have proposed optical switches, tunablefocus LC lenses,

VCSEL-based slow light photonics: switching, modulation, amplification, and beam steering
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ABSTRACT We are able to manage large waveguide dispersion and slow light in Bragg reflector waveguides where light is confined with OMNI mirrors. We proposed and demonstrated slow light modulators, slow light detectors, optical gates and slow light

A Special Issue on Nanocarbon Photonics and Optoelectronics-II
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This issue of the Journal of Nanoelectronics and Optoelectronics (JNO) is focused on the Nanocarbon Photonics and Optoelectronics. The issue is based on the research works presented at the 2nd International Workshop on Nanocarbon Photonics and

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