Graphene-filled hollow optical fiber saturable absorber for efficient soliton fiber laser modelocking

Sun Young Choi, Dae Kun Cho, Yong Won Song, Kyunghwan Oh, Kihong Kim, Fabian Rotermund, Dong Il Yeom

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

We demonstrate a novel in-line saturable absorber based on hollow optical fiber (HOF) filled with graphene composite for high power operation of mode-locked fiber laser. Evanescent field of guided mode propagating in few centimeter-long HOF interacts with the graphene/polyvinyl acetate (PVAc) composite, which enables robust and efficient nonlinear absorption leading to stable passive mode-locking. The mode-locked fiber laser generates soliton pulses with 5.9-nm spectral bandwidth and its maximum output power is measured up to 80 mW. We also observe passive harmonic mode-locking of soliton laser delivering stable pulses with a repetition rate of 506.9 MHz at 33rd harmonics.

Original languageEnglish
Pages (from-to)5652-5657
Number of pages6
JournalOptics Express
Volume20
Issue number5
DOIs
Publication statusPublished - 2012 Feb 27

Fingerprint

fiber lasers
hollow
absorbers
graphene
solitary waves
optical fibers
locking
harmonics
composite materials
pulses
acetates
repetition
bandwidth
output
lasers

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Choi, S. Y., Cho, D. K., Song, Y. W., Oh, K., Kim, K., Rotermund, F., & Yeom, D. I. (2012). Graphene-filled hollow optical fiber saturable absorber for efficient soliton fiber laser modelocking. Optics Express, 20(5), 5652-5657. https://doi.org/10.1364/OE.20.005652
Choi, Sun Young ; Cho, Dae Kun ; Song, Yong Won ; Oh, Kyunghwan ; Kim, Kihong ; Rotermund, Fabian ; Yeom, Dong Il. / Graphene-filled hollow optical fiber saturable absorber for efficient soliton fiber laser modelocking. In: Optics Express. 2012 ; Vol. 20, No. 5. pp. 5652-5657.
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Graphene-filled hollow optical fiber saturable absorber for efficient soliton fiber laser modelocking. / Choi, Sun Young; Cho, Dae Kun; Song, Yong Won; Oh, Kyunghwan; Kim, Kihong; Rotermund, Fabian; Yeom, Dong Il.

In: Optics Express, Vol. 20, No. 5, 27.02.2012, p. 5652-5657.

Research output: Contribution to journalArticle

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AU - Rotermund, Fabian

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