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All-optical travelling wave modulation inverter

ELECTRONICS LETTERS 2000年第16期36卷 1406-1408页

作者： Symul, T Bencheikh, K Lovering, D Levenson, JA CNRS URA 250 Lab CDP FTRD F-92225 Bagneux France

It is demonstrated that a Kerr-like medium associated with a phase-sensitive parametric amplifier is able to work as an all optical modulation controlled inverter for travelling waves. The controlled operation is perf... 详细信息

关键词： Kerr-like medium optical parametric amplifiers optical self-focusing and related effects optical logic optical computing techniques optical pumping optical computers, logic elements, and interconnects Modulation and coding methods optical communication devices, equipment and systems optical Kerr effect controlled operation all optical modulation controlled inverter optical communication equipment travelling waves optical harmonic generation, frequency conversion, parametric oscillation and amplification optical beam modulators optical communication equipment Beam trapping, self focusing, thermal blooming, and related effects optical modulation amplifier pump modulation optical logic devices and optical computing techniques logic gates optical logic elements all-optical travelling wave modulation inverter phase-sensitive parametric amplifier

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All-optical inverted operational amplifier derived from negative nonlinear feedback systems

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ELECTRONICS LETTERS 2000年第13期36卷 1138-1139页

作者： Maeda, V Toyota Technol Inst Dept Informat & Control Engn Tempa Ku Nagoya Aichi 4688511 Japan

An all-optical inverted operational amplifier that has the characteristic of bring both an optical inverter and an amplifier designed based on the negative nonlinear absorption effect has been realised by using an erbium-doped fibre amplifier with a feedback ring resonator. A NOR-type logic gate operation has treen demonstrated using two optical signals of 1.53 mu m.

关键词： erbium-doped fibre amplifier optical logic optical computing techniques optical computers, logic elements, and interconnects operational amplifiers negative nonlinear absorption effect Fibre lasers and amplifiers optical feedback negative nonlinear feedback systems feedback ring resonator optical inverter 1.53 micrometre optical fibre amplifiers circuit feedback NOR-type logic gate operation all-optical inverted operational amplifier optical logic devices and optical computing techniques logic gates optical logic elements optical signals

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Demonstration of 20Gbit/s all-optical logic XOR in integrated SOA-based interferometric wavelength converter

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ELECTRONICS LETTERS 2000年第22期36卷 1863-1864页

作者： Fjelde, T Wolfson, D Kloch, A Dagens, B Coquelin, A Guillemot, I Gaborit, F Poingt, F Renaud, M Tech Univ Denmark Res Ctr COM DK-2800 Lyngby Denmark OPTO Groupement Interet Econ F-91460 Marcoussis France

The results of optical logic exclusive-OR (XOR) at up to 20Gbit/s in an integrated SOA-based Mach-Zehnder interferometer are presented. For the first time, to the knowledge of the authors, BER measurements are demonstrated on 10Gbit/s optical logic XOR, with zero penalty. In addition, for the first time, 20Gbit/s all-optical XOR, with an integrated device that allows simple, stable and efficient operation, is demonstrated.

关键词： Semiconductor lasers integrated optics optical logic optical computing techniques optical computers, logic elements, and interconnects zero penalty Gbit/s all-optical logic XOR semiconductor optical amplifiers optical communication devices, equipment and systems Multiplexing and switching in optical communication BER measurements Lasing action in semiconductors Integrated optics integrated SOA-based Mach-Zehnder interferometer optical logic exclusive-OR optical harmonic generation, frequency conversion, parametric oscillation and amplification Gbit/s optical logic XOR optical wavelength conversion 20 Gbit/s integrated SOA-based interferometric wavelength converter Mach-Zehnder interferometers optical logic devices and optical computing techniques optical interferometry wavelength division multiplexing optical logic elements 10 Gbit/s

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Operating characteristics of GaAs-InGaAs self-biased piezoelectric S-SEEDs

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IEE PROCEEDINGS-OPTOELECTRONICS 1999年第1期146卷 31-34页

作者： Moran, M Rees, GJ Woodhead, J Univ Sheffield Dept Elect & Elect Engn Sheffield S1 3JD S Yorkshire England

A theoretical analysis is presented of the performance of GaAs-InxGa1-xAs self-biased piezoelectric symmetric self-electro-optic-effect devices (S-SEED). Although the operation of these devices has been demonstrated, the limitations on their performance have not been investigated. Despite the benefits associated with this type of S-SEED, the model presented suggests that their insertion loss cannot be less than similar to 70%. Further, because of the high quality factor required for the optical cavity, it is believed that the reproducibility of the contrast ratio will be intolerant to differences between the nominal and actual absorption coefficients. The model therefore suggests that these structures are not promising candidates for the logical elements required in optical processing.

关键词： optical resonators III-V semiconductors actual absorption coefficients Electro-optical devices high quality factor absorption coefficients nominal absorption coefficients operating characteristics optical computers, logic elements, and interconnects gallium arsenide insertion loss optical processing theoretical analysis optical logic elements SEEDs reproducibility semiconductor device models optical bistability, multistability and switching GaAs-InxGaAs self-biased piezoelectric symmetric self-electro-optic-effect devices optical logic Q-factor contrast ratio GaAs-InxGaAs self-biased piezoelectric S-SEED optical constants and parameters (condensed matter) indium compounds GaAs-lnGaAs self-biased piezoelectric S-SEEDs optical logic devices and optical computing techniques optical losses optical logic elements optical cavity Semiconductor device modelling, equivalent circuits, design and testing

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10Gbit/s all-optical Boolean XOR with SOA fibre Sagnac gate

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ELECTRONICS LETTERS 1999年第19期35卷 1650-1652页

作者： Houbavlis, T Zoiros, K Hatziefremidis, A Avramopoulos, H Occhi, L Guekos, G Hansmann, S Burkhard, H Dall'Ara, R Natl Tech Univ Athens Dept Elect & Comp Engn GR-15773 Zografou Greece ETH Honggerberg Swiss Fed Inst Technol CH-8093 Zurich Switzerland Deutsch Telekom AG D-64307 Darmstadt Germany Opto Speed SA CH-6805 Mezzovico Switzerland

All-optical Boolean XOR logic is demonstrated with a three terminal fibre Sagnac interferometer employing a semiconductor optical amplifier. Full duly cycle operation at 10GHz is shown and low pattern dependence has b... 详细信息

关键词： Semiconductor lasers low switching energy all-optical Boolean XOR logic SOA fibre Sagnac gate optical logic full duty cycle operation three terminal fibre Sagnac interferometer Fibre lasers and amplifiers semiconductor optical amplifiers Multiplexing and switching in optical communication semiconductor optical amplifier time division multiplexing 10 GHz high-speed optical techniques pseudo-data pattern optical fibre networks OTDM network optical fibre amplifiers optical fibre networks light interferometers low pattern dependence optical logic devices and optical computing techniques 10 Gbit/s

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All-optical bistable switching in nonlinear directional coupler loaded with Bragg reflector

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ELECTRONICS LETTERS 1999年第15期35卷 1243-1244页

作者： Nakatsuhara, K Hossain, S Mizumoto, T Jeong, SH Ma, BJ Nakano, Y Tokyo Inst Technol Dept Phys Elect Meguro Ku Tokyo 1528552 Japan Univ Tokyo Dept Elect Engn Bunkyo Ku Tokyo 1138556 Japan

A GaInAsP nonlinear directional coupler loaded with a Bragg reflector has been fabricated. All-optical bistable switching in the fabricated device is demonstrated at a wavelength of 1.55 mu m.

关键词： optical waveguides optical computers, logic elements, and interconnects optical directional couplers III-V semiconductors indium compounds optical communication devices, equipment and systems optical switches optical Kerr effect Multiplexing and switching in optical communication gallium arsenide all-optical bistable switching optical bistability, multistability and switching Integrated optics nonlinear directional coupler optical waveguides and couplers GaInAsP optical planar waveguides Bragg reflector loaded optical bistability optical logic devices and optical computing techniques 1.55 micron coupled waveguides

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10Gbit/s all-optical regenerative memory using single SOA-based logic gate

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ELECTRONICS LETTERS 1999年第2期35卷 158-159页

作者： Manning, RJ Phillips, ID Ellis, AD Kelly, AE Poustie, AJ Blow, KJ BT Labs Ipswich IP5 3RE Suffolk England

The authors report an all-optical regenerative memory operating at 10Gbit/s using a semiconductor optical amplifier-based interferometer as a regenerator in an optical fibre loop. Error-Free operation was measured aft... 详细信息

关键词： optical storage and retrieval Semiconductor lasers semiconductor optical amplifiers optical fibre loop light interferometers optical communication equipment optical storage optical logic optical fibre communication optical logic devices and optical computing techniques all-optical regenerative memory semiconductor optical amplifier interferometer optical repeaters logic gate 10 Gbit/s

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1Tbit/s demultiplexing using low temperature grown InGaAs/InAlAs multiple quantum wells

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ELECTRONICS LETTERS 1998年第9期34卷 908-910页

作者： Kobayashi, H Takahashi, R Matsuoka, Y Iwamura, H NTT Optoelect Labs Atsugi Kanagawa 24301 Japan

The authors present an optical switching/optical sampling module operating in the 1.5 mu m band using ultrafast all-optical AND gates made with low temperature grown InGaAs/InAlAs multiple quantum wells. The module achieves a response time of 390fs with a contrast ratio of 25 in a fibre-based experiment. Using the modules, all-optical demultiplexing is demonstrated for signal pulses corresponding to 1.05Tbit/s, and the demultiplexed optical pulses are clearly detected.

关键词： aluminium compounds multiple quantum wells III-V semiconductors 1.55 micrometre indium compounds optical communication low temperature growth optical switches optical fibres semiconductor quantum wells gallium arsenide InGaAs-InAlAs 1.05 Tbit/s fibre-based experiment surface reflection all-optical AND gate switch signal pulses Fibre optics demultiplexing Photonic switching systems 390 fs optical communication equipment demultiplexing equipment optical logic devices and optical computing techniques contrast ratio response time LOTOS optical switching/sampling modules

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logic gate for optical input using monostable-bistable transition of serially connected resonant tunnelling transistors

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ELECTRONICS LETTERS 1998年第3期34卷 250-251页

作者： Ohno, Y Kishimoto, S Mizutani, T Akeyoshi, T Nagoya Univ Chikusa Ku Nagoya Aichi 46401 Japan NTT Syst Elect Labs Atsugi Kanagawa 24301 Japan

The authors demonstrate a novel optical logic gate consisting of two resonant tunnelling transistors connected in series. The logic gate is characterised by an optically controlled bistability of the gate and a small ... 详细信息

关键词： monostable-bistable transition 10 muW optical logic gate optical bistability resonant tunnelling transistors optical logic serial connection optical logic devices and optical computing techniques resonant tunnelling transistor

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Demonstration of highly scalable 100Gbit/s OTDM computer interconnect with rapid interchannel switching capability

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ELECTRONICS LETTERS 1998年第25期34卷 2418-2419页

作者： Deng, KL Runser, RJ Toliver, P Coldwell, C Zhou, D Glesk, I Prucnal, PR Princeton Univ Dept Elect Engn Princeton NJ 08544 USA

An experimental demonstration of an error free 100 Gbit/s optical rime division multiplexing (OTDM) broadcast star multiprocessor interconnect is presented. A highly scalable novel node design provides rapid interchan... 详细信息

关键词： 100 Gbit/s Multiplexing and switching in optical communication optical interconnections optical computing OTDM computer interconnect optical logic devices and optical computing techniques optical computing techniques interchannel switching optical time division multiplexing broadcast star multiprocessor interconnect time division multiplexing multiprocessor interconnection networks scalable node design

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