Injection-locked parity-time-symmetric optoelectronic oscillator with ultra-high sidemode suppression

Minghai Li; Lingzhi Li; Jiejun Zhang; Jianping Yao

doi:10.1117/12.2618230

15 February 2022 Injection-locked parity-time-symmetric optoelectronic oscillator with ultra-high sidemode suppression

Minghai Li, Lingzhi Li, Jiejun Zhang, Jianping Yao

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 121667X (2022) https://doi.org/10.1117/12.2618230
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

An optoelectronic oscillator (OEO) that combines injection locking and parity-time (PT) symmetry is proposed and demonstrated to generate microwave signals with low phase noise and a high side-mode suppression ratio. In the experiment, a microwave signal at 10 GHz with a phase noise as low as -117.5 dBc/Hz at an offset frequency of 10 kHz is generated. An ultra-high side-mode suppression ratio of 86.33 dB is achieved.

Citation Download Citation

Minghai Li, Lingzhi Li, Jiejun Zhang, and Jianping Yao "Injection-locked parity-time-symmetric optoelectronic oscillator with ultra-high sidemode suppression", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 121667X (15 February 2022); https://doi.org/10.1117/12.2618230

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