23 February 2009 Novel modulation and detection for a 40 Gb/s frequency shift keying signal
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Abstract
We propose a novel scheme for generation and detection of a 40 Gb/s binary frequency shift keying (FSK) signal. Multispan transmission properties are numerically compared with return-to-zero (RZ) and differential phase shift keying (DPSK) formats. Experimental demonstration shows that a 40 Gb/s FSK signal is transmitted over 50 km standard single-mode fiber (SMF) with 0.8 dB penalty and over 12 dB resilience of span input power, clearly validating the feasibility of this FSK modulation scheme. Transparent wavelength conversion for a 43Gb/s RZ-FSK signal is successfully achieved by FWM in a SOA and in HNDSF. 2R regeneration is also to be purposefully observed in HNDSF which results in limited over-all penalty after 100km transmission link.
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Zhou He, Zhou He, Xue Wang, Xue Wang, Nan Chi, Nan Chi, Dexiu Huang, Dexiu Huang, } "Novel modulation and detection for a 40 Gb/s frequency shift keying signal", Proc. SPIE 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors, 727815 (23 February 2009); doi: 10.1117/12.822803; https://doi.org/10.1117/12.822803
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