10 GHz ultra-stable short optical pulse generation via phase-modulation enhanced dual-loop optoelectronic oscillator |
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| Authors: | Jianguo Liu Gregory S Kanter Shawn X Wang Prem Kumar |
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| Institution: | 1. Center for Photonic Communication and Computing, EECS Department, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3118, United States;2. Nucrypt LLC, 1840 Oak Avenue, Suite 212S, Evanston, IL 60201-3697, United States;1. School of Electrical and Information Engineering, Hunan Institute of Technology, Hengyang, Hunan 421002, China;2. Hengyang Administrantion of Quality and Technology Supervision, Hengyang, Hunan 421002, China;3. Hengyang Sanlian Surveying and Mapping Services Limited, China;1. Department of Electronics and Communication Engineering, Central Institute of Technology, Kokrajhar, Assam 783370, India;2. Education Division, SKF Group of Institution, Mankundu, Hooghly 712139, West Bengal, India;3. Institute of Radiophysics and Electronics, Calcutta University, 92 A.P.C. Road, Kolkata 700009, West Bengal, India |
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| Abstract: | We report on a high rate, ultra-low timing jitter, short optical pulse generator based on cascaded amplitude and phase modulation in an optoelectronic oscillator. The radio-frequency supermodes are shown to be greatly suppressed with the dual-loop architecture, and a highly coherent and flat optical frequency comb is generated. Optical pulses of 12.8 ps duration are obtained with 27.5 fs integrated timing jitter from 100 Hz to 10 MHz. |
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