Chinese Optics Letters, 2016, 14 (10): 101103, Published Online: Aug. 2, 2018   

Power efficiency of time-stretch imaging system by using parallel interleaving detection Download: 793次

Author Affiliations
1 Engineering Research Center of Optical Instrument and System, the Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
2 The Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK
Abstract
A 38.88 MHz time-stretch line-scan imaging system with parallel interleaving detection is experimentally demonstrated. Since only half-chromatic dispersion is used to stretch optical pulses for wavelength-to-time mapping, the power efficiency is significantly improved by 6.5 dB. Furthermore, the theoretical analysis indicates that the power loss can be efficiently reduced for scan rates less than 100 MHz. In addition, a mathematical model for signal-to-noise evaluation is derived, including amplified spontaneous emission noise in the power compensation. Thanks to the improvement of the power efficiency by using parallel interleaving detection, the signal quality is enhanced.

Mengxuan Lv, Bo Dai, Songchao Yin, Dawei Zhang, Xu Wang. Power efficiency of time-stretch imaging system by using parallel interleaving detection[J]. Chinese Optics Letters, 2016, 14(10): 101103.

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