Harmonic and single pulse operation of a Raman laser using graphene

Harmonic and single pulse operation of a Raman laser using graphene

We present an all-fiber passively mode-locked Raman laser using graphene as a saturable absorber. Different lengths of a highly non-linear fiber presenting normal dispersion at both pump and signal wavelengths are used in the cavity to provide Raman amplification. The cavity is pumped by a continuou...

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Bibliographic Details
Main Authors: Castellani, C. E. S., Kelleher, E. J. R., Luo, Zhiqiang, Popov, S. V., Taylor, J. R., Wu, K., Ouyang, C., Shum, Perry Ping, Shen, Zexiang
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/99352
http://hdl.handle.net/10220/13672
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Institution: Nanyang Technological University
Language: English
Description
Summary:We present an all-fiber passively mode-locked Raman laser using graphene as a saturable absorber. Different lengths of a highly non-linear fiber presenting normal dispersion at both pump and signal wavelengths are used in the cavity to provide Raman amplification. The cavity is pumped by a continuous wave Raman laser at 1450 nm, and generates short pulses around 1550 nm, which depending on polarization and filtering parameters can be either at the repetition rate of the cavity or at higher harmonics of it.

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