Simple Dual-loop Optoelectronic Oscillator with a Low Spurious Level
- Authors
- Cho, Jun-Hyung; Kim, Hyungtak; Sung, Hyuk-Kee
- Issue Date
- Nov-2013
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Optoelectronic oscillator; Semiconductor laser; Direct modulation; Multi-electrode laser; Spurious tone
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.63, no.9, pp.1736 - 1739
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 63
- Number
- 9
- Start Page
- 1736
- End Page
- 1739
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/17019
- DOI
- 10.3938/jkps.63.1736
- ISSN
- 0374-4884
- Abstract
- We successfully demonstrated a simple dual-loop optoelectronic oscillator (OEO) with reduced spurious tones by using dual-direct modulation of a multi-electrode distributed-feedback semiconductor laser. By simply modulating the two electrodes of the laser simultaneously through a short and a long fiber loop, we realized a dual-loop OEO with highly suppressed spurious tones without any additional sophisticated optical devices or loop configuration. Compared with a single-loop approach, the X-band OEO signal generated by using the proposed device and loop configuration exhibits highly-suppressed spurious tones (>50 dB) without sacrificing the OEO signal and gain performance.
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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