Performance optimization of an optically combined dual-loop optoelectronic oscillator based on optical interference analysis
- Authors
- Cho, Jun-Hyung; Kim, Hyungtak; Sung, Hyuk-Kee
- Issue Date
- Jun-2017
- Publisher
- SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
- Keywords
- optoelectronic oscillator; dual-loop configuration; optical interference
- Citation
- OPTICAL ENGINEERING, v.56, no.6
- Journal Title
- OPTICAL ENGINEERING
- Volume
- 56
- Number
- 6
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/5707
- DOI
- 10.1117/1.OE.56.6.066111
- ISSN
- 0091-3286
- Abstract
- A theoretical analysis was conducted on the characteristics and performance of an optically combined dual-loop optoelectronic oscillator (OC-DOEO) based on an open-loop response method. The OC-DOEO utilizes the Vernier effect to eliminate spurious tones while accompanying the optical interference among the dual-loop signals. It was determined that the optical interference in the OC-DOEO significantly affected the OEO performances, including loop efficiency, phase noise, and spurious tones. It was demonstrated that DOEO performances can be maximized by controlling dual-loop parameters, such as the phase delay and power-split ratio, without spurious tones. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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