Novel orthogonal modulation format DRZ-FSK/DPSK for high-speed long-haul optical communication
Chinese Optics Letters, Vol. 8, Issue 9, pp. 852-855 (2010)
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Abstract
We propose a novel advanced orthogonal modulation format dark return-to-zero frequency shift keying/differential phase shift keying (DRZ-FSK/DPSK) and its realization scheme. The DRZ-FSK/DPSK is generated by the combination of a 40-Gb/s return-to-zero (RZ) signal and a DRZ signal which is converted from the RZ using a semiconductor optical amplifier (SOA) based on nonlinear cross polarization rotation (XPR) and then re-modulated by high-bit-rate DPSK at 40 Gb/s. The feasibility of the scheme is experimentally demonstrated. Bit error rate (BER) results of the total 80-Gb/s DRZ-FSK/DPSK orthogonal modulation signal with a subsequent 100-km single-mode fiber (SMF) transmission link show its potential for future high-speed long-haul optical communication.
© 2010 Chinese Optics Letters
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
Citation
Junwen Zhang, Yufeng Shao, Wuliang Fang, Bo Huang, Li Tao, Jiangbo Zhu, and Nan Chi, "Novel orthogonal modulation format DRZ-FSK/DPSK for high-speed long-haul optical communication," Chin. Opt. Lett. 8, 852-855 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-9-852
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