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Low pump threshold CVD graphene based passively harmonic mode-locked fibre laser

Chow, KK (2017) Low pump threshold CVD graphene based passively harmonic mode-locked fibre laser. Electronics Letters. ISSN 0013-5194

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Abstract

A low pump threshold passively harmonic mode-locked fibre laser is demonstrated. The key component is a chemical vapour deposition grown graphene saturable absorber to enable higher order harmonic mode-locking (HML) of the fibre laser with good output noise characteristics. With a relatively low pump power of 100 mW, the fibre laser generates ∼1 ps soliton pulses at the 21st order of HML with 40 dB of super-mode noise suppression.

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