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Optical Engineering

Optically driven black phosphorus as a saturable absorber for mode-locked laser pulse generation
Author(s): Yao Chen; Haoran Mu; Pengfei Li; Shenghuang Lin; Shivananju Bannur Nanjunda; Qiaoliang Bao
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Paper Abstract

Black phosphorus (BP) is a very promising two-dimensional material as a saturable absorber for ultrashort pulse generation especially in telecommunication bands due to its ultrafast dynamic response and strong resonant absorption in the near-infrared wavelength range. However, the current fabrication methods of BP saturable absorbers are very complex and not suitable for practical large-scale production. We have successfully deposited BP with a thickness of ∼25  nm onto the fiber end facet as a saturable absorber by a simple optically driven deposition method. The BP saturable absorber shows excellent mode-locking performance with a stable pulse train repetition of 1.843 MHz and pulse duration of 117.6 ns.

Paper Details

Date Published: 10 March 2016
PDF: 6 pages
Opt. Eng. 55(8) 081317 doi: 10.1117/1.OE.55.8.081317
Published in: Optical Engineering Volume 55, Issue 8
Show Author Affiliations
Yao Chen, Soochow Univ. (China)
Haoran Mu, Soochow Univ. (China)
Pengfei Li, Soochow Univ. (China)
Shenghuang Lin, The Hong Kong Polytechnic Univ. (China)
Shivananju Bannur Nanjunda, Soochow Univ. (China)
Qiaoliang Bao, Soochow Univ. (China)
Monash Univ. (Australia)

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