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2013•Unpublished venueRequires access

Passively Q-switched linear-cavity erbium-doped fiber laser based on graphene saturable absorber

Da Lv, Heping Li, Handing Xia, Shangjian Zhang, Yang Liu, Zegao Wang, Yuanfu Chen

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Abstract

We demonstrate a passively Q-switched erbium-doped fiber laser (EDFL) based on graphene as a saturable absorber (SA). Two fiber Bragg gratings (FBGs) are used as the end mirrors in an all-fiber linear cavity. The Q-switched EDFL has a pump threshold of 68.2 mW. The minimum pulse duration is 0.85 μs and the highest pulse energy is 40.9 nJ. The pulse repetition rate of the fiber laser can be widely changed from 51.1 to 118.1 kHz by increasing the pump power from 68.2 to 400 mW.

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What this paper is about

We demonstrate a passively Q-switched erbium-doped fiber laser (EDFL) based on graphene as a saturable absorber (SA). Two fiber Bragg gratings (FBGs) are used as the end mirrors in an all-fiber linear cavity. The Q-switched EDFL has a pump threshold of 68.2 mW. The minimum pulse duration is 0.85 μs and the highest pulse energy is 40.9 nJ. The pulse repetition rate of the fiber laser can be widely changed from 51.1 to 118.1 kHz by increasing the pump power from 68.2 to 400 mW.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

We demonstrate a passively Q-switched erbium-doped fiber laser (EDFL) based on graphene as a saturable absorber (SA). Two fiber Bragg gratings (FBGs) are used as the end mirrors in an all-fiber linear cavity. The Q-switched EDFL has a pump threshold of 68.2 mW. The minimum pulse duration is 0.85 μs and the highest pulse energy is 40.9 nJ. The pulse repetition rate of the fiber laser can be widely changed from 51.1 to 118.1 kHz by increasing the pump power from 68.2 to 400 mW.

Key concepts: Saturable absorption, Materials science, Fiber laser, Pulse duration, Optics, Erbium, Fiber, Laser

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