首页|Optical injection locking assisted all-optical microwave oscillator

Optical injection locking assisted all-optical microwave oscillator

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  • NSTL
  • Elsevier
This paper reports an optical injection locking (OIL) assisted all-optical microwave oscillator (AOMO) scheme for the photonic generation of a microwave (MW) signal and demonstrates a 40th harmonic single-mode signal generation with an external low-frequency radio-frequency (RF) signal. In this all-optical single-loop oscillator that only depends on optical devices, the stimulated Brillouin scattering (SBS) effect of a coil of single mode fiber (SMF) and a semiconductor optical amplifier (SOA) are used to select the oscillation frequency and modulate the optical feedback signal, respectively. The OIL effect in a distributed feedback (DFB) laser multiplies the frequency of the external RF signal. Thanks to the OIL module, it only requires an optical loop to acquire a single-mode oscillation and the oscillation signal is phase-related to the low-frequency RF source. The experiment demonstrates the generation of a single-mode MW signal of 10.71 GHz with an external RF signal of 267.8 MHz, with a frequency multiplication factor of 40. Mode-hopping is not evident in the output signal, and a moderately low-quality OIL signal is acceptable since unwanted harmonics and the phase noise floor of the OIL signal have little impact on the generated MW signal.

Optical injection lockingSemiconductor optical amplifiersStimulated Brillouin scatteringMicrowave oscillatorsMicrowave generationMicrowave photonicsCROSS-GAIN MODULATIONBANDWIDTH ENHANCEMENTBRILLOUIN-SCATTERINGSIGNAL GENERATIONNOISE-REDUCTIONPHASE-NOISEAMPLIFIERLIGHT

Zi, Yuejiao、Jiang, Yang、Chen, Xiangping、Yu, Qiang、Li, Jiahui、Chen, Na、Lan, Xiaohong、Zhang, Qiong、Feng, Jinjian、Tian, Jing、Xu, Jing

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Guizhou Univ

2022

10.1016/j.optcom.2021.127859

Optics Communications

Optics Communications

EISCI
ISSN：0030-4018
年,卷(期)：2022.509
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