Analysis of frequency pulling phenomenon in an optoelectronic oscillator

Jayjeet Sarkar; Abhijit Banerjee; Baidyanath Biswas

doi:10.1117/1.OE.57.6.067102

11 June 2018 Analysis of frequency pulling phenomenon in an optoelectronic oscillator

Jayjeet Sarkar, Abhijit Banerjee, Baidyanath Biswas

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 067102 (June 2018). https://doi.org/10.1117/1.OE.57.6.067102

Abstract

The theoretical approach to investigate the frequency pulling phenomenon, when the optoelectronic oscillator is injected by a weak radio frequency (RF) signal, is presented. The differential equation for the phase perturbation is derived. The analytical expressions of the phase-difference after locking and lock-range are derived here. Here, we also study the influence of the injection RF signal on the beat frequency, average frequency, and actual pull-in frequency. Also, the dependency of beat frequency and average frequency on injection frequency is studied here. All the analytical expressions clearly reveal the frequency pulling phenomenon from fast-beat state through quasi-locked state to locked state. Simulation results are also given in support of the theoretical study.

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Jayjeet Sarkar, Abhijit Banerjee, and Baidyanath Biswas "Analysis of frequency pulling phenomenon in an optoelectronic oscillator," Optical Engineering 57(6), 067102 (11 June 2018). https://doi.org/10.1117/1.OE.57.6.067102

Received: 13 February 2018; Accepted: 16 May 2018; Published: 11 June 2018

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