11 November 2008 High-speed FSK signal generation and transmission labeled with ASK
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Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 713634 (2008) https://doi.org/10.1117/12.804214
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China
Abstract
We propose a method to generate high-speed frequency-shifted keying (FSK) signal by demodulating two phase-shifted keying (PSK) signals with proper wavelength detuning. The generated FSK is easy for detection and has a small crosstalk to optical label signal. In an 85km SMF transmission demonstration, we achieve 1.5dB power penalty in 10Gbit/s FSK payload and 1dB power penalty in 155Mbit/s amplitude-shifted keying (ASK) label. Compared with the phase continuous FSK, this kind of FSK occupies wider bandwidth due to its phase discontinuity but is simpler in its generation.
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He Wen, Nan Chi, Huan Jiang, Xiaoping Zheng, Hanyi Zhang, Yili Guo, "High-speed FSK signal generation and transmission labeled with ASK", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 713634 (11 November 2008); doi: 10.1117/12.804214; https://doi.org/10.1117/12.804214
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