Silver sulfide as Q‐switcher and mode‐locker in Erbium‐doped fiber laser cavity

A silver sulfide saturable absorber (SA) was successfully employed in an Erbium‐doped fiber laser (EDFL) cavity for short and ultrashort pulse generations. The Q‐switched laser was obtained with an operation wavelength of 1566 nm, pulse rate of 93.81 kHz, and pulse duration of 1.68 μs at a 187.04 mW...

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Bibliographic Details
Published in:Microwave and optical technology letters 2023-01, Vol.65 (1), p.365-372
Main Authors: Ahmed, Norizan, Omar, Suziana, Jusoh, Zulzilawati, Rahman, Husna A., Dimyati, Kaharudin, Apsari, Retna, Harun, Sulaiman W.
Format: Article
Language:English
Subjects:
Doped fibers
Erbium
Fiber lasers
mode‐locking
Pulse duration
Pulse rate
Q‐switching
saturable absorber
silver sulfide
Solitary waves
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Summary:A silver sulfide saturable absorber (SA) was successfully employed in an Erbium‐doped fiber laser (EDFL) cavity for short and ultrashort pulse generations. The Q‐switched laser was obtained with an operation wavelength of 1566 nm, pulse rate of 93.81 kHz, and pulse duration of 1.68 μs at a 187.04 mW pump. As the EDFL cavity was optimized for mode‐locking operation by adding 100 m long single mode fiber, a stable soliton pulse train operating at 1564 nm was realized with a constant repetition rate of 1.88 MHz and pulse duration of 3.01 ps. The good nonlinear characteristics of the SA make synergetic contributions to the generation of high‐performance Q‐switched and mode‐locked lasers.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33481