Investigations of mode-locked fiber laser based on CVD fabricated graphene saturable absorber

Jian Lin; Lixin Xu; Guoliang Chen; Li Mei; Yangyang Hu; Hai Ming

doi:10.1117/12.2073261

24 October 2014 Investigations of mode-locked fiber laser based on CVD fabricated graphene saturable absorber

Jian Lin, Lixin Xu, Guoliang Chen, Li Mei, Yangyang Hu, Hai Ming

Proceedings Volume 9270, Optoelectronic Devices and Integration V; 92700I (2014) https://doi.org/10.1117/12.2073261
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

A stable mode-locked fiber laser employing graphene as a saturable absorber is presented. One monolayer graphene can obtain mode-locking when the cavity is around 12m, but when the cavity decreases to 6m, no stable pulses can be formed. In order to solve this problem, cascade of two monolayer graphenes is used and stable mode locked pulses with a frequency of 44.53MHz, a bandwidth of 2.4nm, a pulse width of 43.89ps and an average power of 19.10mW have been directly obtained from the laser. Our results show the atomic-layer graphene may be a promising satrurable absorber for stable pulses formation of fiber laser.

Citation Download Citation

Jian Lin, Lixin Xu, Guoliang Chen, Li Mei, Yangyang Hu, and Hai Ming "Investigations of mode-locked fiber laser based on CVD fabricated graphene saturable absorber", Proc. SPIE 9270, Optoelectronic Devices and Integration V, 92700I (24 October 2014); https://doi.org/10.1117/12.2073261

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KEYWORDS

Graphene

Mode locking

Fiber lasers

Chemical vapor deposition

Optical isolators

Pulsed laser operation

Quantum cascade lasers

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