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基于PolSK调制格式的FWM型全光比较器 被引量:2

An all-optical comparator based on PolSK modulation format and FWM in semiconductor optical amplifier
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摘要 文章提出了一种利用偏振移位键控(PolSK)信号光,基于半导体光放大器(SOA)中的四波混频(FWM)效应的超快全光比较器方案。该方案由于采用了功率恒定的PolSK信号光,可以消除SOA中的码型效应。通过数值模拟,研究了两输入信号光功率、SOA注入电流以及有源区长度对超快全光比较器输出特性的影响。 A novel scheme for an ultrahigh-speed all-optical comparator based on the Four-Wave Mixing (FWM) effects in Semiconductor Optical Amplifiers (SOAs) is proposed, by which can eliminate the pattern effects in SOAs by using the power-constant Polarization-Shift-Keying (PolSK) signal light. By numerical simulation, two input signal power, injection current and the effects of the active region length on the comparator output characteristics are investigated.
出处 《光通信研究》 北大核心 2009年第4期57-60,共4页 Study on Optical Communications
基金 国家自然科学基金资助项目(60707006) 南京邮电大学引进人才科研启动基金资助项目(NY207142)
关键词 全光比较器 四波混频 偏振移位键控 半导体光放大器 all-optical comparator FWM PolSK SOA
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参考文献5

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二级参考文献34

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