Single SOA based ultrafast all-optical wavelength conversion for PolSK signal

被引:0
|
作者
Li Pei-li
Zhang Yi
Xu En-ming
机构
[1] Nanjing University of Posts and Telecommunications,College of Optoelectronic Engineering
来源
关键词
All-optical wavelength converter; Polarization-shift-keying; Dual-pump four-wave mixing; Semiconductor optical amplifier;
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学科分类号
摘要
A novel ultrafast tunable all-optical wavelength conversion for polarization-shift-keying (PolSK) signal based on dual-pump four-wave mixing (FWM), including parallel dual-pump FWM and orthogonal dual-pump FWM, in a single semiconductor optical amplifier (SOA) is proposed. A comprehensive broad-band dynamic model of the all-optical wavelength converter based on parallel dual-pump FWM and orthogonal dual-pump FWM in SOA is developed, for the first time to our knowledge. By numerical simulation, the proposed all-optical wavelength conversion is realized at 40 Gbit/s. The effects of the powers of input waves and wavelength detuning on the conversion efficiency of the wavelength converter are theoretically investigated in detail. The results indicate that, due to using the PolSK modulation format, this scheme is free of pattern effect. In addition, a wide tuning range can be obtained. The proposed all-optical wavelength conversion for PolSK signal is robust and potential for applications in future optical networks in terms of simple implementation and high speed operation.
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页码:279 / 296
页数:17
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