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首页> 外文期刊>Selected Topics in Quantum Electronics, IEEE Journal of >Polarization Insensitive Wavelength Conversion by FWM of Multiformat DWDM Signals Using Birefringent PCF
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Polarization Insensitive Wavelength Conversion by FWM of Multiformat DWDM Signals Using Birefringent PCF

机译：使用双折射PCF通过FWM对多格式DWDM信号进行偏振不敏感波长转换

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摘要

We demonstrate all-optical wavelength conversion of four channels of polarization scrambled 10 Gb/s dense wavelength division multiplexed signals consisting of both nonreturn-to-zero-ON-OFF-keyed and differential-phase-shift keyed signals using 20 m of nonlinear birefringent photonic crystal fiber (PCF). Power penalties <;0.5 dB were achieved for a conversion bandwidth of 22 nm with four-wave mixing efficiencies between -20 and -24 dB. A rack-mount wavelength converter prototype is presented that consists of a highly tunable sample grating distributed Bragg reflector pump laser, a high-power erbium-doped fiber amplifier, a tunable bandpass filter, and a polarization controller that are all controlled using a microcontroller. Automatic polarization control of the high-power pump is demonstrated for the first time using the polarization dependence of stimulated Brillouin scattering in the PCF as a feedback mechanism.
机译：我们演示了使用20 m非线性双折射的四个由偏振加扰的10 Gb / s密集波分复用信号通道组成的全光波长转换，该信号由非归零开关键和差分相移关键信号组成光子晶体光纤（PCF）。对于22 nm的转换带宽，-20至-24 dB的四波混频效率，实现了<0.5 dB的功率损失。展示了一个机架式波长转换器原型，该原型由一个高度可调的样本光栅分布式布拉格反射泵浦激光器，一个高功率掺amplifier光纤放大器，一个可调带通滤波器和一个偏振控制器组成，它们全部由微控制器控制。首次演示了使用PCF中受激布里渊散射的偏振相关性作为反馈机制的大功率泵的自动偏振控制。

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