Experimental Investigation on the Side Mode Injection Locking of a Single-loop OEO under RF Signal Injection

IF 1.2 4区工程技术 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Analog Integrated Circuits and Signal Processing Pub Date : 2024-02-18 DOI:10.1007/s10470-024-02262-3

Jayjeet Sarkar, Abhijit Banerjee, Gefeson Mendes Pacheco, Nikhil Ranjan Das

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Abstract

This article mainly focuses on the side mode injection locking phenomena when a single-loop optoelectronic oscillator (OEO) is under RF signal injection. The analyses are made regarding lock range, phase noise and locking time. Also, a comparative study has been prepared when the OEO is injection-locked in the first side and the main mode. We show that the lock range is smaller for injection-locked OEO in the first side mode than in the main mode. The phase noise performance of the OEO for both cases is also demonstrated. It is exhibited that the phase noise performance is better in the case of injection-locked OEO at first side mode, particularly in a strong injection regime. The transient behaviour is also approximated by measuring locking time in both cases. The lock range, phase noise and locking time dependency on optical fibre length have also been studied. Finally, we perform experiments to support our analytical findings developed earlier.

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射频信号注入下单环 OEO 侧模注入锁定的实验研究

本文主要研究单回路光电振荡器（OEO）在射频信号注入时的侧模注入锁定现象。文章对锁定范围、相位噪声和锁定时间进行了分析。此外，还对 OEO 在第一侧模和主模注入锁定时进行了比较研究。结果表明，在第一侧模式下，注塑锁定 OEO 的锁定范围小于主模式。我们还展示了这两种情况下 OEO 的相位噪声性能。结果表明，在第一侧模式下，注入锁定 OEO 的相位噪声性能更好，尤其是在强注入模式下。此外，还通过测量两种情况下的锁定时间，对瞬态行为进行了近似分析。我们还研究了锁定范围、相位噪声和锁定时间与光纤长度的关系。最后，我们还进行了实验，以支持前面的分析结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Analog Integrated Circuits and Signal Processing 工程技术-工程：电子与电气

CiteScore

0.30

自引率

7.10%

发文量

141

审稿时长

7.3 months

期刊介绍： Analog Integrated Circuits and Signal Processing is an archival peer reviewed journal dedicated to the design and application of analog, radio frequency (RF), and mixed signal integrated circuits (ICs) as well as signal processing circuits and systems. It features both new research results and tutorial views and reflects the large volume of cutting-edge research activity in the worldwide field today. A partial list of topics includes analog and mixed signal interface circuits and systems; analog and RFIC design; data converters; active-RC, switched-capacitor, and continuous-time integrated filters; mixed analog/digital VLSI systems; wireless radio transceivers; clock and data recovery circuits; and high speed optoelectronic circuits and systems.