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Proceedings Paper

40GHz optoelectronic oscillator with low-frequency optical and microwave devices
Author(s): Bingchen Han; Jinlong Yu; Wenrui Wang; Jingzhong Guo; Ju Wang; Enze Yang
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Paper Abstract

A high frequency optoelectronic oscillator (OEO) using only low frequency optical and microwave devices is attractive as it provides a low cost and high quality solution at the same time. In this paper, a novel OEO scheme is reported. The proposed optoelectronic oscillator includes a 5GHz directly modulated DFB laser, an optical circulator, a 10GHz photodetector, a 10GHz RF amplifier, and a bandpass RF filter with a central frequency at 5GHz. The OEO oscillates at the 5GHz and with a continuous wave injected into the directly modulated DFB laser, higher harmonics will be generated. The harmonic order can be controlled by the frequency difference between the free running DFB laser and injection lightwave. An optical domain combined dual-loop configuration with polarization-beam splitter and a polarization-beam combiner is employed to suppress the sidemodes in each single loop. Experiment results are proposed to verify the scheme, in which 40GHz microwave is obtained.

Paper Details

Date Published: 28 November 2011
PDF: 6 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83082A (28 November 2011); doi: 10.1117/12.905146
Show Author Affiliations
Bingchen Han, Tianjin Univ. (China)
Shanxi Datong Univ. (China)
Jinlong Yu, Tianjin Univ. (China)
Wenrui Wang, Tianjin Univ. (China)
Jingzhong Guo, Tianjin Univ. (China)
Ju Wang, Tianjin Univ. (China)
Enze Yang, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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