Photonic generation of microwave signal using a dual-wavelength fiber ring laser with CMFBG filter and saturable absorber

Suchun Feng; Wanjing Peng; Qi Li; Chunhui Qi; Ting Feng; Shuisheng Jian

doi:10.1117/12.966805

7 November 2012 Photonic generation of microwave signal using a dual-wavelength fiber ring laser with CMFBG filter and saturable absorber

Suchun Feng, Wanjing Peng, Qi Li, Chunhui Qi, Ting Feng, Shuisheng Jian

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842192 (2012) https://doi.org/10.1117/12.966805
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A simple approach for photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode erbium-doped fiber ring laser is proposed and demonstrated. For the first time, a chirped moiré fiber Bragg grating (CMFBG) filter with ultra-narrow transmission band and a chirped fiber Bragg grating are used to select the longitudinal mode. The stable single longitudinal mode operation is guaranteed by the combination of the CMFBG filter and 3m unpumped erbium-doped fiber acting as a saturable absorber. Stable dual-wavelength single longitudinal mode fiber laser with a wavelength spacing of approximately 0.140nm are experimentally realized. By beating the dual-wavelength fiber laser at a photodetector, photonic generation of microwave signal at 17.682GHz is successfully obtained.

Citation Download Citation

Suchun Feng, Wanjing Peng, Qi Li, Chunhui Qi, Ting Feng, and Shuisheng Jian "Photonic generation of microwave signal using a dual-wavelength fiber ring laser with CMFBG filter and saturable absorber", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842192 (7 November 2012); https://doi.org/10.1117/12.966805

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KEYWORDS

Fiber lasers

Microwave radiation

Spatial light modulators

Optical filters

Fiber Bragg gratings

Signal generators

Microwave photonics

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