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Photonics and Microsystems, 2004. Proceedings of 2004 International Students and Young Scientists workshop

Date 8-10 Sept. 2004

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  • InGaAs/InP avalanche photodiode with separated absorption, charge and multiplication layers

    Publication Year: 2004 , Page(s): 11 - 13
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    First Page of the Article
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  • 2004. 1st International Conference on Electrical and Electronics Engineering (IEEE Cat. No.04EX865)

    Publication Year: 2004
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  • [Breaker page]

    Publication Year: 2004 , Page(s): 0_2
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  • 2004 International Students and Young Scientists Workshop "Photonics and Microsystems"

    Publication Year: 2004 , Page(s): 0_3
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  • Copyright page

    Publication Year: 2004 , Page(s): 0_4
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  • Table of contents

    Publication Year: 2004 , Page(s): 0_5
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  • [Breaker page]

    Publication Year: 2004 , Page(s): 0_6
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  • Introduction

    Publication Year: 2004 , Page(s): 0_7
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  • [Breaker page]

    Publication Year: 2004 , Page(s): 0_8
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  • Detuned-loading effects on directly-modulated high-speed lasers

    Publication Year: 2004 , Page(s): 1
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (168 KB) |  | HTML iconHTML  

    The modulation bandwidth and line width enhancement factor were investigated and found to be strongly dependent on the position of the lasing mode on the Bragg reflection peak. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 2
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  • Grating coupler fabricated in photoresist for optical coupling into thin planar waveguides

    Publication Year: 2004 , Page(s): 3 - 5
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (664 KB) |  | HTML iconHTML  

    In this article practical realisation of grating coupler fabricated in photoresist, integrated with the optical planar waveguides made of different materials and technologies, is presented. Particularly the silica-titania thin fiIm (SiO2:TiO2), prepared by sol-gel technology, were employed for coupling a laser light into optical waveguide experiment. Diffraction grating, which is a base for grating coupler device, with 640 nm period was made in positive photoresist Shipley SPR 700, using holographic setup with operating wavelength of 355 nm from pulsed Nd-YAG laser. The gratings were checked with a 632.8 nm He-Ne laser beam; waveguide mode excitation was observed, both as a guided light streak and the series of M-lines. M-link spectrum indicated that three TE modes were excited in the composite waveguide, The method was also successfully applied to S3N4 and TiO2 thin films obtained by magnetron sputtering process. The concept of investigation of planar 2-D photonic crystal is described also. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 6
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  • Terahertz sources and systems: a brief overview

    Publication Year: 2004 , Page(s): 7 - 9
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    This paper gives a brief overview of the sources and systems used in the emerging terahertz technology. Furthermore, an outline of my PhD work on terahertz antenna design is also presented. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 10
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  • [Breaker page]

    Publication Year: 2004 , Page(s): 14
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  • Preparation of optical fiber to the LTCC technological process

    Publication Year: 2004 , Page(s): 15 - 17
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (480 KB) |  | HTML iconHTML  

    LTCC (Low Temperature Cofired Ceramics) is widely used for background for optoelectronic devices. It allows to produce multilayer conductive paths, buried passive elements, as well as contacts (bumps) in one structure, which enlarges miniaturisation and reliability. It possesses very good high frequency parameters required for signals in optoelectronic links. Requirements of increasing data rate as well as enlarging of compaction are bases of researches in integration optical connections with substrate. The preparation of optical fiber to the LTCC process was stage of investigation possibility of realisation optical connection integrated with ceramics. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 18
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  • Laboratory models of demultiplexer

    Publication Year: 2004 , Page(s): 19 - 23
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    Simple laboratory models of multiplexers and demultiplexers allow us to understand and analyse a number of effects which are not commonly known. Two different models of demultiplexers were realised, For that devices important parameters and characteristics are shown and discussed. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 24
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  • Photonic crystals - step in a future

    Publication Year: 2004 , Page(s): 25 - 28
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (705 KB) |  | HTML iconHTML  

    Development of the field in photonic crystals began in the late 1980's. At the time no one suspected that the same structures nupht be found in nature. The natural exaniples were unknown until four years ago. Since the sea mouse was discovered, the scientists have found photonic crystals in butterfly wings and in a sedimentary gem opal. This paper describes the natural examples photonic crystals and explains shortly the basic physic phenomenon's for existence of photonic band gap. View full abstract»

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  • Optical interconnections on PCBs - recent developments

    Publication Year: 2004 , Page(s): 29 - 33
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (876 KB) |  | HTML iconHTML  

    Optical interconnections on printed circuit boards are a promising approach to increase the bandwidth in future links. This paper gives an overview of available materiak and technologies which are used for creating PCB-integrated optical waveguides and indicates some of these as promising approaches. Integrated waveguides require new concepts for optical connecting with electro-optical devices. Possible methods of light coupling into optical structures are described with their advantages and drawbacks. On the basis of few recent concepts, current trends in this field are shown. View full abstract»

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  • [Breaker page]

    Publication Year: 2004 , Page(s): 34
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  • Investigation of structures using GaN/sub x/P/sub 1-x/ active layer

    Publication Year: 2004 , Page(s): 35 - 36
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (368 KB) |  | HTML iconHTML  

    GaNxP1-x/GaP beterostructure with GaNP layer containing Merent N content in range from 0.67 to 2.3% prepared by MOVPE were investigated. The N concentration in GaNP alloy was determined by X-Ray measurement and bandgap energy for different N concentration by employing photocurrent measurement. Visible electro-luminescence emission at room temperature peak intensity in range from 608 nm to 630 nm was observed. View full abstract»

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  • Terahertz systems and their applications at the Institut fur Hochfrequenztechnik at Technische Universitaft Braunschweig

    Publication Year: 2004 , Page(s): 37 - 39
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    This paper gives a general overview of current terahertz technology in the THt Systems Group of the Institut fiir Hochfrequenztechnik at Technical University Braunschweig, and its related applications. View full abstract»

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