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

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

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Acknowledgements

The financial supports from 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 (Grant Nos. 61077050, 61077014, 60932004), Beijing University of Posts and Telecommunications (BUPT) Young Foundation (No. 2009CZ07) are gratefully acknowledged. The work is also supported by the Fundamental Research Funds for the Central Universities and open foundation of state key laboratory of optical Communication technologies and networks (WRI) (No. 2010OCTN-02).

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg