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Analyses of the effects of birefringence on performances of SOA-based interferometer devices

机译:双折射对基于SOA干涉仪装置性能的影响分析

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The effects of birefringence on performances of SOA-based interferometer devices are analyzed theoretically, the necessity of fabricating SOA whose gain and induced phase shift are both independent on polarization state is proposed. Birefringence in SOA will degrade the performances of SOA-based devices due to polarization walkoff of the two split probe light. The calculations for a SOA-based Mach-Zehnder interferometer wavelength-converter indicate that the extinction ratio will decrease and become very sensitive to the polarization state of input light if there is birefringence in SOAs. A scheme is proposed to eliminate these effects and the possibility of making a SOA polarization insensitive in gain and induce phase shift is analyzed theoretically.
机译:在理论上,分析了双折射对基于SOA的干涉仪装置的性能的影响,提出了制造SOA的必要性,其增益和感应移相均在偏振状态上独立于偏振状态。 SOA中的双折射将降低由于两个分体探针光的偏振次驱动引起的基于SOA的器件的性能。基于SOA的Mach-Zehnder干涉仪波长转换器的计算表明,如果SOA中存在双折射,则消光比率将降低并且对输入光的偏振状态变得非常敏感。提出了一种方案来消除这些效果,从理论上分析了产生增益和诱导相移的SOA极化不敏感的可能性。

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