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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
- 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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Related Researcher
- Kim, Hyung tak
- Engineering (Electronic & Electrical Engineering)