期刊
LASER PHYSICS LETTERS
卷 11, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1612-2011/11/5/055101
关键词
fiber laser; topological insulator; noise-like soliton; multi-soliton pattern
资金
- National 973 Program of China [2012CB315701]
- National 863 Program of China [2011AA010203]
- National Natural Science Fund Foundation of China [61222505, 61025024]
- Hunan Provincial Natural Science Foundation of China [12JJ7005]
We experimentally investigated the formation of various multi-soliton patterns and noise-like (NL) pulses in an erbium-doped fiber laser passively mode-locked by a new type of saturable absorber: topological insulator. With the increase of pump power, various multi-soliton operation states-ordered, chaotic and bunched multiple-soliton-were subsequently obtained. Once the pump power exceeds 401 mW, an NL pulse state emerged, with a maximum 3 dB bandwidth of about 9.3 nm. This systematic study clearly demonstrated that a topological insulator could be an effective saturable absorber for the formation of various soliton operation states in a fiber laser cavity.
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