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Proceedings Article

Optoelectronic oscillator based on injection locking of Febry-Perot laser diode

[+] Author Affiliations
Wenrui Wang, Jinlong Yu, Bo Wu, Jun Luo, Jingzhong Guo, Enze Yang

Tianjin Univ. (China)

Bingchen Han

Tianjin Univ. (China) and Shanxi Datong Univ. (China)

Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798806 (February 18, 2011); doi:10.1117/12.887629
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From Conference Volume 7988

  • Optical Transmission Systems, Switching, and Subsystems VIII
  • Yikai Su; Ernesto Ciaramella; Xiang Liu; Naoya Wada
  • Shanghai, China | December 08, 2010

abstract

Radio-frequency (RF) oscillators are key components in many radio and also radio-over-fiber (RoF) systems. Here, we propose a novel technique to extent the tunable range of the radio frequency generated by optoelectronic oscillators. The proposed optoelectronic oscillator includes an intensity modulator, a photodetector, an optical circulator, a Febry-Perot laser diode, and a broad band RF amplifier. All those devices compose a single feedback loop. The key device in the system is the Febry-Perot laser. By utilizing injection locking of Febry-Perot laser diode rather than the commonly used radio-frequency band-pass filter, a high Q microwave filter is formed in optical domain. Theoretical analysis of the optoelectronic oscillator as well as the tunablity of microwave filter is provided. The central frequency of the microwave filter is a function of the optical wavelength and effective injection power, i.e. the injection power at the transverse-electric (TE) mode of the F-P laser. Thus, the central frequency of the high Q band-pass can be simply tuned by tuning the wavelength and the injection power of the injection light. Experiment is done to verify the theoretical analysis, and a tunable range from 11.074 GHz to 39.400GHz is demonstrated experimentally.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Wenrui Wang ; Jinlong Yu ; Bo Wu ; Bingchen Han ; Jun Luo, et al.
"Optoelectronic oscillator based on injection locking of Febry-Perot laser diode", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798806 (February 18, 2011); doi:10.1117/12.887629; http://dx.doi.org/10.1117/12.887629


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