Self Q-switching of a bismuth doped silica fiber operating at 1.46 um

Minwan Jung; Kwanil Lee; Sangbae Lee; Ju Han Lee

doi:10.1117/12.2185223

1 July 2015 Self Q-switching of a bismuth doped silica fiber operating at 1.46 μm

Minwan Jung, Kwanil Lee, Sangbae Lee, Ju Han Lee

Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96552M (2015) https://doi.org/10.1117/12.2185223
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of

Abstract

We demonstrate a self Q-switched Bismuth-doped germanosilicate fiber laser operating at 1463 nm. It is experimentally shown that stable Q-switched pulses with a temporal width of ~ 1.8 μs can be obtained from a simple, all-fiberized Fabry-Perot type cavity without using a saturable absorber at a repetition rate of ~65 kHz with a pump power of ~260 mW. The tuning capability of the temporal characteristics of the output pulses is also investigated. The possible physical mechanism is discussed.

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Minwan Jung, Kwanil Lee, Sangbae Lee, and Ju Han Lee "Self Q-switching of a bismuth doped silica fiber operating at 1.46 μm", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96552M (1 July 2015); https://doi.org/10.1117/12.2185223

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KEYWORDS

Bismuth

Fiber lasers

Q switches

Q switching

Q switched lasers

Continuous wave operation

Pulsed laser operation

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