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An all-optical buffer based on polarization rotation in an EAM: 《Chinese Physics B》2013年第8期416-420,共5页王葵如匡海王拥军苑金辉颜玢玢; supported by the National Natural Science Foundation of China(Grant No.61077014);the National Basic Research Program of China(Grant No.2010CB327601); A theoretical model of the refractive index changes of the TE and TM modes in an electro-absorption modulator （EAM） is deduced. The photon absorption and refractive index changes are analyzed numerically. The influe...; 关键词：electro-absorption modulator polarization rotation effect all-optical fiber loop buffer

基于GT-SOA的全光缓存系统分析被引量：2: 《软件》2013年第1期133-137,共5页张琪王葵如; 国家自然科学基金(61077014); 本文针对增益透明半导体光放大器(GT-SOA)的偏振旋转效应进行了研究,并将其利用于光纤环型全光缓存器中作为偏振旋转光开关,作为全光缓存器的关键器件。本文根据增益透明半导体光放大器(GT-SOA)的偏振旋转效应理论模型编制仿真软件。建...; 关键词：光纤通信技术增益透明SOA 偏振旋转全光缓存器

Re-modulated technology of WDM-PON employing different DQPSK downstream signals被引量：1: 《Optoelectronics Letters》2012年第6期473-476,共4页高超忻向军余重秀; supported by the National Internation Technology Cooperration(No.2012DFG12110);the National Natural Science Foundation of China(Nos.61077050and61077014);the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks(No.2010OCTN-02); This paper proposes a kind of modulation architecture for wavelength-division-multiplexing passive optical network （WDM- PON） employing optical differentia/quadrature phase shift keying （DQPSK） downstream signals ...; 关键词：MODULATION Passive optical networks

A novel symmetric 10 Gbit/s architecture with a single feeder fiber for WDM-PON based on chirp-managed laser被引量：2: 《Optoelectronics Letters》2012年第6期468-472,共5页Aftab Hussain 忻向军 Abdul Latif Ashiq Hussain 余重秀 Abid Munir Yousaf Khan Muhammad Idrees Afridi; supported by the National Basic Research Program of China(No.2010CB328300);the Fundamental Research Funds for the Central Universities(No.2009RC0314);the National Natural Science Foundation of China(Nos.61077050,61077014and60932004);the BUPT Young Foundation(No.2009CZ07);the Fundamental Research Funds for the Central Universities;the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks(WRI)(No.2010OCTN-02); We propose the single feeder fiber architecture for wavelength division multiplexing passive optical network(WDM-PON)based on directly modulated chirp managed laser(CML).The downlink(DL)signal output from the laser is...; 关键词：FEEDING LASERS Network architecture Single mode fibers Wavelength division multiplexing

An AWG-based 10 Gbit/s colorless WDM-PON system using a chirp-managed directly modulated laser: 《Optoelectronics Letters》2012年第5期372-375,共4页Abdul Latif 余重秀忻向军 Aftab Husain Ashiq Hussain Abid Munir Yousaf Khan; supported by the National Basic Research Program of China (No.2010CB328300);the Fundamental Research Funds for the Central Universities (No.2009RC0314);the National Natural Science Foundation of China (Nos.61077050,61077014 and 60932004);the BUPT Young Foundation (No.2009CZ07);the Fundamental Research Funds for the Central Universities;the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI)(No.2010OCTN-02); We propose an arrayed waveguide grating(AWG)-based 10 Gbit/s per channel full duplex wavelength division multiplexing passive optical network(WDM-PON).A chirp managed directly modulated laser with return-to-zero(RZ) d...; 关键词：Electric power transmission Frequency modulation Passive optical networks Wavelength division multiplexing

Rayleigh backscattering minimization in single fiber colorless WDM-PON using intensity remodulation technique: 《Optoelectronics Letters》2012年第5期380-383,共4页Yousaf Khan 余重秀忻向军 Amjad Ali Aftab Husain 刘博; supported by the National Basic Research Program of China (No.2010CB328300);the National Natural Science Foundation of China (Nos.61077050,61077014 and 60932004);the Beijing University of Posts and Telecommunications (BUPT) Young Foundation (No.2009CZ07);the Fundamental Research Funds for the Central Universities (Nos.2011RC0307 and 2011RC0314);the Open Foundation of State Key Laboratory of Optical Communications Technologies and Networks (WRI)(No.2010-OCTN-02); The performance of colorless wavelength-division multiplexed passive optical network(WDM-PON) systems suffers from the transmission impairments mainly due to Rayleigh backscattering(RB).In this paper,we propose and de...; 关键词：BACKSCATTERING Passive optical networks Single mode fibers

Wavelength conversion based on nonlinear polarization rotation in gain transparent SOA: 《Optoelectronics Letters》2012年第4期289-292,共4页豆荣社余重秀王葵如王拥军桑新柱张琦颜玢玢; supported by the National Natural Science Foundation of China(No.61077014); We describe an all-optical wavelength conversion scheme for 1310 nm to 1550 nm based on nonlinear polarization rotation in a gain-transparent semiconductor optical amplifier （GT-SOA） which brings in the assistant li...; 关键词：POLARIZATION

A novel orthogonal modulation format of D8PSK/ASK with differential bi-phase encoding and its application in a label switching optical network被引量：4: 《Optoelectronics Letters》2012年第2期129-133,共5页张星张晓磊王拥军忻向军尹霄丽李玲赵继军; supported by the National Basic Research Program of China (No.2010CB328300);the National Natural Science Foundation of China (Nos.61077050, 61077014 and 60932004);the Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI) (No.2010OCTN-02);the Fundamental Research Funds for the Central Universities (Nos.2011RC0307 and 2009 RC0314);the Natural Science Foundation of Hebei Province (No.F2010001045); The principle of a novel orthogonal modulation format of differential 8-1evel phase-shift keying amplitude-shift keying （D8PSK/ASK） with differential bi-phase encoding （DBC） is introduced. Based on it, an optical ...; 关键词：Encoding (symbols)

A novel duplex WDM-PON with DPSK modulated downstream and re-modulation of the downlink signal for OOK upstream被引量：1: 《Optoelectronics Letters》2012年第2期134-137,共4页Aftab Hussain 余重秀忻向军原全新刘博 Ashiq Hussain Abdul Latif Abid Munir Yousaf Khan Idress Afridi; supported by the National Basic Research program of China (No.2010CB328300);the Fundamental Research Funds for the Central Universities (No.2009RC0314);the National Natural Science Foundation of China (Nos.61077050, 61077014 and 60932004);the BUPT Young Foundation (No.2009CZ07);the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI) (No.2010OCTN-02); We experimentally demonstrate and analyze a 10 Gbit/s full duplex wavelength division multiplexing passive optical net- work （WDM-PON） system. A non-return-to-zero differential phase shift keying （NRZ-DPSK） modula...; 关键词：Electric power transmission Frequency modulation Optical communication

Numerical analysis of intermodal delay in few-mode fibers for mode division multiplexing in optical fiber communication systems被引量：2: 《Optoelectronics Letters》2012年第2期138-141,共4页Abid Munir 忻向军刘博 Abdul Latif Aftab Hussain Shahab Ahmad Niazi; supported by the National Basic Research Program of China (No.2010CB328300);the National Natural Science Foundation of China (Nos.61077050, 61077014 and 60932004);the BUPT Young Foundation (No.2009CZ07), Fundamental Research Funds for Central Universities;the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI) (No.2010OCTN-02); In order to achieve higher spectral efficiency, mode division multiplexing (MDM) in few-mode fibers is a new research area. The idea faces lots of technical issues including intermodal delay and mode coupling which li...; 关键词：Communication systems Fibers Numerical analysis Spectrum analyzers

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