Theoretical analysis of an optoelectronic oscillator based on a directly modulated semiconductor laser
- Authors
- Cho, Jun-Hyung; Heo, Seo Weon; Sung, Hyuk-Kee
- Issue Date
- May-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Semiconductor laser; Direct modulation; Optoelectronic oscillator
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.68, no.9, pp.1088 - 1093
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 68
- Number
- 9
- Start Page
- 1088
- End Page
- 1093
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/7877
- DOI
- 10.3938/jkps.68.1088
- ISSN
- 0374-4884
- Abstract
- We numerically simulated the performance of an optoelectronic oscillator (OEO) based on a directly modulated (DM) semiconductor laser. The standard coupled rate equations were used to describe the DM-OEO modulation process. A rate-equation-based analysis is a means of analyzing OEO performance that is a variation of the method used to assess standard OEOs that employ external modulators. We modeled an OEO with an open-loop response and calculated the oscillation threshold gain and amplitude of the DM-OEO as functions of the DC bias current. By using this method, we were able to optimize OEO operation conditions for a given laser DC bias level in both gain- and amplitude-limited operating environments.
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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