国家自然科学基金(s61077050)

作品数：7被引量：10H指数：2
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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 
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 
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 
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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