4.7 Article

Graphene Saturable Absorber Based on Slightly Tapered Fiber With Inner Air-Cavity

期刊

JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 33, 期 11, 页码 2332-2336

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2015.2410912

关键词

Graphene; inner air-cavity; mode locking; saturable absorber

资金

  1. National Natural Science Foundation of China [61377094]
  2. Hong Kong Government [PolyU 152163/14E]
  3. Hong Kong Polytechnic University Research [4-ZZE6, 4-BCBF, G-YM19]
  4. University of Jinan [XBS1438]
  5. Shandong Province [BS2014DX018]

向作者/读者索取更多资源

We experimentally demonstrate a passively mode-locked fiber laser operation by using a saturable absorber based on graphene deposited on slightly tapered optical fiber with inner air-cavity. Such a saturable absorber enables a strong light-graphene interaction owing to the evanescent field of the excited cladding mode, and as a result, stable passively mode-locked laser pulses with pulsewidth of 674 fs have been generated, and in addition, a harmonic mode-locking operation can also be achieved.We experimentally demonstrate a passively mode-locked fiber laser operation by using a saturable absorber based on graphene deposited on slightly tapered optical fiber with inner air-cavity. Such a saturable absorber enables a strong light-graphene interaction owing to the evanescent field of the excited cladding mode, and as a result, stable passively mode-locked laser pulses with pulsewidth of 674 fs have been generated, and in addition, a harmonic mode-locking operation can also be achieved.

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