一种采用循环移频器的柔性宽带电光探测系统

Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI:10.1109/MWP.2014.6994565

B. Gouhier, K. Lee, A. Nirmalathas, C. Lim, E. Skafidas

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引用次数: 3

摘要

本文研究了基于循环移频器产生的光梳的宽带电光探测系统的性能。该系统用来自射频信号的光边带拍出来自光梳的单次谐波，从而产生较低频率的波。可调谐激光器、可调谐光滤波器和单边带调制器的使用使系统具有很大的灵活性，可以将太赫兹频率降至几GHz。研究了本底噪声、中频信号带宽和相干长度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A flexible wide bandwidth electro-optic probing system using a recirculating frequency shifter

In this paper, we study the performance of a wide-bandwidth electro-optic probing system based on an optical comb generated with a recirculating frequency shifter. The system beats a single harmonic from the optical comb with an optical sideband from a RF signal to yield a lower frequency wave. The use of a tunable laser, tunable optical filters and single-sideband modulator gives the system a great flexibility, potentially allowing to down-convert THz frequencies down to a few GHz. Noise floor, IF signal bandwidth and coherence length are studied.

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Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on

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