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Active mode-locking optoelectronic oscillator
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DOI：10.1364/OE.406017.png)
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摘要
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The optoelectronic oscillator (OEO) has been widely investigated to generate ultrapure single-frequency microwave signals. In this study, we propose and experimentally demonstrate an active mode-locking optoelectronic oscillator (AML-OEO), which can generate broadband microwave frequency comb (MFC) signals. An additional intensity modulator is inserted into the OEO as an active mode-locking device for loss modulation to realize phase-locking between adjacent oscillation modes. Through the active mode-locking technique, steady multimode oscillation is achieved, which is difficult to realize in a conventional OEO due to the mode-competition effect. By tuning the frequency of the active modulation signal (AMS), both fundamental and harmonic AML-OEOs can be established. In the experiments, MFC signals with a frequency spacing of 195 kHz and 50.115/100.035 MHz are generated with fundamental and harmonic AML-OEOs. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keyword:
LASERS
STABILIZATION
SUPPRESSION
INJECTION
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
机构
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