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Simultaneous demodulation and slow right of differential phase-shift keying signals using stimulated-brillouin-scattering-based optical filtering in fiber

机译:光纤中基于受激布里渊散射的光学滤波同时解调和移相差分相移键控信号

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For the first time to our knowledge, we demonstrate simultaneous demodulation and slow-light delay of differential phase-shift keying (DPSK) signals at flexible bit rates using the stimulated-Brillouin-scatteringbased optical filtering effect in optical fiber. Both 10 and 2.5 Gbit/s DPSK signals have been demodulated and delayed with excellent performances. In the case of the10 Gbit/s DPSK signal, after demodulation the tunable delay range with error-free operation is about 50 ps, which we believe is the best result obtained for 10 Gbit/s slow-light demonstrations. For the 2.5 Gbit/s DPSK signal, the optimal sensitivity after demodulation is -36.5 dBm, which is comparable with the back-to-back sensitivity of a 2.5 Gbit/s nonreturn-to-zero signal. (c) 2007 Optical Society of America.
机译:据我们所知,我们首次使用光纤中基于受激布里渊散射的光学滤波效应,以灵活的比特率演示了差分相移键控(DPSK)信号的同时解调和慢光延迟。 10 Gbit / s和2.5 Gbit / s的DPSK信号均已解调和延迟,具有出色的性能。在10 Gbit / s DPSK信号的情况下,解调后的无延迟操作的可调延迟范围约为50 ps,我们认为这是10 Gbit / s慢光演示获得的最佳结果。对于2.5 Gbit / s的DPSK信号,解调后的最佳灵敏度为-36.5 dBm,与2.5 Gbit / s的非归零信号的背对背灵敏度相当。 (c)2007年美国眼镜学会。

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