An AWG-based 10 Gbit/s colorless WDM-PON system using a chirp-managed directly modulated laser
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Abstract:
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) differential phase shift keying (DPSK) modulation technique is utilized for downlink (DL) direction, and then the downlink signal is re-modulated for the uplink (UL) direction using intensity modulation technique with the data rate of 10 Gbit/s per channel. A successful WDM-PON transmission operation with the data rate of 10 Gbit/s per channel over a distance of 25 km without any optical amplification or dispersion compensation is demonstrated with low power penalty.
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The work has been 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 YoungFoundation(No.2009CZ07), the Fundamental Research Funds for the Central Universities, and the Open Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI) (No.2010OCTN-02).
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