Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 27, Issue 7, Pages 701-704Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2015.2390212
Keywords
Fiber laser; passive mode-locking; topological insulator; bright-dark soliton pair
Funding
- National Natural Science Foundation of China [61107036]
- Guangdong Province Shenzhen Municipal Science and Technology Plan [2010B090400306, JC201105160592A, JC201105160524A, JCYJ20140417173156106]
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The bright-dark soliton pair in a passively mode-locked fiber laser based on the topological insulator: Bi2Se3/polyvinyl alcohol (PVA) film in the proper polarization state and the pump power is experimentally demonstrated. By carefully adjusting the pump power and the polarization state, the bright-dark soliton pair could be easily observed. Furthermore, it is found experimentally that the formation of the bright-dark soliton pair is mainly due to the polarization effect based on the high nonlinear effect of topological insulator: Bi2Se3/PVA film. We also demonstrate that the pulse shape of the bright-dark soliton pair can be affected by the total net cavity dispersion in the fiber laser.
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