Intrinsic dual-wavelength operation of a passively mode-locked fiber ring laser |
| |
| Authors: | Huiwen Xu Yong Chen Dajun Lei Lifu Zhang |
| |
| Affiliation: | a Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education, School of Computer and Communication, Hunan University, Changsha 410082, China
b Department of Physics, Xiangnan University, Chenzhou 423000, China |
| |
| Abstract: | We report on the dual-wavelength operation in an erbium-doped fiber ring laser mode-locked through nonlinear polarization rotation technique. In addition to dual-wavelength continuous wave operation, alternative mode-locking at the dual wavelengths was realized experimentally. By analyzing the transmissivity of the laser cavity, we find the dual-wavelength operation is an intrinsic feature of the laser associating with the dispersive cavity loss. Numerical simulations confirm the experimental and theoretical results and further demonstrate that the location of the dual wavelengths and the separation between them closely depend on the cavity birefringence and the profile of the gain medium. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
