Compact Passive Q-Switching Pr3+-Doped ZBLAN Fiber Laser With Black Phosphorus-Based Saturable Absorber

In this paper, a compact passively Q-switched praseodymium (Pr 3+ )-doped fiber laser at the wavelength of 635 nm with black phosphorus (BP) saturable absorber (SA) was first investigated. BP nanoflakes were manufactured by the liquid-phase-exfoliation method and then embedded into polyvinyl-alcohol...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2017-01, Vol.23 (1), p.7-12
Main Authors: Wu, Duanduan, Cai, Zhiping, Zhong, Yile, Peng, Jian, Cheng, Yongjie, Weng, Jian, Luo, Zhengqian, Xu, Huiying
Format: Article
Language:English
Subjects:
Black phosphorus
Face
narrow pulse-duration
Optical fiber devices
Optical fibers
Optical pulses
Optical variables measurement
Q-switching
Radio frequency
visible fiber laser
wide pulse repetition-rate
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Summary:In this paper, a compact passively Q-switched praseodymium (Pr 3+ )-doped fiber laser at the wavelength of 635 nm with black phosphorus (BP) saturable absorber (SA) was first investigated. BP nanoflakes were manufactured by the liquid-phase-exfoliation method and then embedded into polyvinyl-alcohol (PVA) film for the experimental usage and a fiber pigtail mirror (FPM, by coating dielectric film onto the fiber-end face) was applied to realize a compact Pr 3+ -doped red fiber laser. By transferring a block of the BP-PVA thin film onto the FPM and then incorporating into the compact Pr 3+ -doped fiber laser, the Q-switched operation at 635 nm was achieved. The pulse-repetition rate of the visible-wavelength Q-switched fiber laser can be widely tuned from 108.8 to 409.8 kHz and the shortest pulse duration of this laser is 383 ns. These results reveal that the BP is an available SA for red-light lasers.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2016.2550560