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Frontiers of Optoelectronics

Front Optoelec    2012, Vol. 5 Issue (3) : 298-305     DOI: 10.1007/s12200-012-0258-x
RESEARCH ARTICLE |
An AWG based colorless WDM-PON with RZ-DPSK modulated downstream and re-modulation of DL signal for OOK upstream
Abdul LATIF(), Xiangjun XIN, Aftab HUSSAIN, Liu BO, Yousaf KHAN, Ashiq HUSSAIN, Abid MUNIR
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
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Abstract

We proposed an arrayed waveguide granting (AWG) based 10 Gbps full duplex wavelength division multiplexing passive optical network (WDM-PON) utilizing a return-to-zero differential phase shift keying (RZ-DPSK) modulation technique for down-link direction and then re-modulation of the downlink (DL) signal for the uplink (UL) direction using intensity modulation technique (OOK) with a data rate of 10 Gbps per channel. A successful cost effective colorless WDM-PON full duplex transmission operation for a data rate of 10 Gbps per channel, with a channel spacing of 60 GHz over a distance of 25 km without any optical amplification and dispersion compensation is achieved within low power penalty.

Keywords wavelength division multiplexing passive optical network (WDM-PON)      arrayed waveguide grating (AWG)      centralized light source      differential phase shift keying (DPSK)      re-modulation     
Corresponding Authors: LATIF Abdul,Email:alatiph@gmail.com   
Issue Date: 05 September 2012
 Cite this article:   
Abdul LATIF,Xiangjun XIN,Aftab HUSSAIN, et al. An AWG based colorless WDM-PON with RZ-DPSK modulated downstream and re-modulation of DL signal for OOK upstream[J]. Front Optoelec, 2012, 5(3): 298-305.
 URL:  
http://journal.hep.com.cn/foe/EN/10.1007/s12200-012-0258-x
http://journal.hep.com.cn/foe/EN/Y2012/V5/I3/298
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Abdul LATIF
Xiangjun XIN
Aftab HUSSAIN
Liu BO
Yousaf KHAN
Ashiq HUSSAIN
Abid MUNIR
Fig.1  Basic functions of arrayed-waveguide × multiplexer. (a) Multiplexing; (b) demultiplexing; (c) ADM operation; (d) ×interconnect
Fig.2  AWG multiplexer
Fig.3  Schematic diagram of AWG based 10 Gbps RZ-DPSK DL and OOK UL WDM-PON
Fig.4  Proposed AWG based 10-Gbps RZ-DPSK DL & OOK Based UL WDM-PON
Fig.5  BER Graph for four multiplex channels DPSK DL & OOK UL (B2B & 25 km)
Fig.6  BER graph for four multiplex channels RZ-DPSK DL & OOK UL for 25 km
Fig.7  BER graph for four multiplex channels DPSK DL and OOK UL for B2B
Fig.8  Average BER graph for four multiplex channels DPSK DL and OOK UL (25km & B2B)
Fig.9  Eye Diagrams
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