首页|Optical pulse repetition rate division using an optoelectronic oscillator

Optical pulse repetition rate division using an optoelectronic oscillator

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An approach for frequency division of an optical pulse train[OPT]based on an optoelectronic oscillator[OEO]is proposed and experimentally demonstrated.When the OPT is injected into the OEO,a microwave signal with a frequency equaling fractional multiples of the repetition rate of the OPT is generated.This signal is then fed back to the OEO,maintaining its oscillation,while simultaneously serving as the control signal of a Mach-Zehnder modulator[MZM]in the OEO.The MZM acts as an optical switch,permitting specific pulses to pass through while blocking others.As a result,the repetition rate of the OPT is manipulated.A proof-of-concept experiment is carried out.Frequency division factors of 2 and 3 are successfully achieved.The phase noises of the OPT before and after the frequency division are investigated.Compared to previously reported systems,no external microwave source and sophisticated synchronization structure are needed.

frequency divisionoptoelectronic oscillatormode-locked lasermicrowave photonics

李平、邵琨麟、张亚梅、潘时龙

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National Key Laboratory of Microwave Photonics,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaFundamental Research Funds for the Central Universities

6190121562271249

2024

10.3788/COL202422.043902

中国光学快报(英文版)
中国光学学会 中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD
影响因子：1.305
ISSN：1671-7694
年,卷(期)：2024.22(4)