An AWG based colorless WDM-PON with RZ-DPSK modulated downstream and re-modulation of DL signal for OOK upstream

doi:10.1007/s12200-012-0258-x

Front Optoelec

2012, Vol. 5

Issue (3) : 298-305 https://doi.org/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 Author(s): 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:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-012-0258-x
https://academic.hep.com.cn/foe/EN/Y2012/V5/I3/298

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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