A mode-locked 1.91μm fiber laser based on interaction between graphene oxide and evanescent field

Minwan Jung; Joonhoi Koo; Pulak Debnath; Yong Won Song; Ju Han Lee

doi:10.1143/APEX.5.112702

A mode-locked 1.91μm fiber laser based on interaction between graphene oxide and evanescent field

Minwan Jung, Joonhoi Koo, Pulak Debnath, Yong Won Song, Ju Han Lee

School of Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

74 Scopus citations

Abstract

The use of a graphene oxide (GO)-deposited D-shaped fiber as a saturable absorber for mode locking of a thulium-doped fiber laser is experimentally demonstrated. By using the evanescent field interaction of an oscillating beam with GO, a passive mode locking operation at a wavelength of ̃1.91 μm is shown to be achievable from a ring cavity. Stable picosecond pulses are readily obtained at a repetition rate of 15.9 MHz. This demonstration confirms that GO is a cost-effective saturable absorber applicable for ̃2 μm ultrafast pulse generation.

Original language	English
Article number	112702
Journal	Applied Physics Express
Volume	5
Issue number	11
DOIs	https://doi.org/10.1143/APEX.5.112702
State	Published - Nov 2012

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abstract = "The use of a graphene oxide (GO)-deposited D-shaped fiber as a saturable absorber for mode locking of a thulium-doped fiber laser is experimentally demonstrated. By using the evanescent field interaction of an oscillating beam with GO, a passive mode locking operation at a wavelength of{\~ }1.91 μm is shown to be achievable from a ring cavity. Stable picosecond pulses are readily obtained at a repetition rate of 15.9 MHz. This demonstration confirms that GO is a cost-effective saturable absorber applicable for{\~ }2 μm ultrafast pulse generation.",

author = "Minwan Jung and Joonhoi Koo and Pulak Debnath and Song, {Yong Won} and Lee, {Ju Han}",

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AU - Koo, Joonhoi

AU - Debnath, Pulak

AU - Song, Yong Won

AU - Lee, Ju Han

PY - 2012/11

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AB - The use of a graphene oxide (GO)-deposited D-shaped fiber as a saturable absorber for mode locking of a thulium-doped fiber laser is experimentally demonstrated. By using the evanescent field interaction of an oscillating beam with GO, a passive mode locking operation at a wavelength of ̃1.91 μm is shown to be achievable from a ring cavity. Stable picosecond pulses are readily obtained at a repetition rate of 15.9 MHz. This demonstration confirms that GO is a cost-effective saturable absorber applicable for ̃2 μm ultrafast pulse generation.

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A mode-locked 1.91μm fiber laser based on interaction between graphene oxide and evanescent field

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