Dual-wavelength single-frequency fiber laser based on FP-LD injection locking for millimeter-wave generation

We propose and successfully demonstrate a dual-wavelength single-frequency fiber laser based on two cascaded Fabry Pérot laser diodes (FP-LDs) and a WaveShaper. Both the cascaded FP-LDs and the WaveShaper perform the dual-wavelength selection. Injection locking of the FP-LDs in laser cavity and narr...

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Bibliographic Details
Published in:Optics and laser technology 2014-12, Vol.64, p.328-332
Main Authors: Zhou, Jingjuan, Feng, Xinhuan, Wang, Yuzhuo, Li, Zhaohui, Guan, Bai-ou
Format: Article
Language:English
Subjects:
Adjustment
Dual-wavelength single-frequency
Fiber laser
Fiber lasers
Filtering
Filtration
Injection locking
Laser cavities
Lasers
Wavelengths
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Summary:We propose and successfully demonstrate a dual-wavelength single-frequency fiber laser based on two cascaded Fabry Pérot laser diodes (FP-LDs) and a WaveShaper. Both the cascaded FP-LDs and the WaveShaper perform the dual-wavelength selection. Injection locking of the FP-LDs in laser cavity and narrow bandwidth filtering effect of the WaveShaper guarantee single-frequency operation of the laser. By adjustment of the drive currents of the two FP-LDs and the filtering characteristic of the WaveShaper, dual-wavelength single-frequency output with switchable wavelength spacing can be obtained, which can be used for switchable millimeter-wave generation. •Dual-wavelength single-frequency fiber laser based on FP-LD injection locking is proposed.•Dual-wavelength single-frequency output with switchable wavelength spacing is obtained.•The laser output can be used for switchable millimeter-wave generation.
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2014.06.006