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Timing noise measurement of 320 GHz optical pulses using an improved optoelectronic harmonic mixer

机译:使用改进的光电谐波混频器测量320 GHz光脉冲的定时噪声

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摘要

An improved optoelectronic harmonic mixer (OEHM) has been employed for measuring the timing noise of 320 GHz optical pulses that are generated from a 160 GHz mode-locked laser diode by the temporal Talbot effect. The OEHM makes use of a low-drive voltage LiNbO_(3) modulator and a W-band unitraveling carrier photodiode for converting the 320 GHz pulse intensity into a low-frequency electrical signal. The time domain demodulation technique has been used for the precise evaluation of phase noise power spectral density. The rms timing jitter has been estimated to be 311 fs for the 10 Hz-18.6 MHz bandwidth.
机译:改进的光电谐波混频器(OEHM)已用于测量由160 GHz锁模激光二极管通过时间Talbot效应产生的320 GHz光脉冲的定时噪声。 OEHM利用低驱动电压LiNbO_(3)调制器和W波段组合载流子光电二极管将320 GHz脉冲强度转换为低频电信号。时域解调技术已用于相位噪声功率谱密度的精确评估。对于10 Hz-18.6 MHz带宽,均方根时序抖动估计为311 fs。

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