Third-order orbital angular momentum pulse generation from a passively Q-switched fiber laser
We propose and demonstrate an all-fiber passively Q-switched laser generating a third-order orbital angular momentum (OAM) pulse by introducing a few-mode long-period fiber grating (LPFG) into the laser cavity. The LPFG with asymmetric cross structure and strong refractive index modulation overcomes...
Main Authors: | Du, C. (Author), Gao, S. (Author), Li, W. (Author), Li, Z. (Author), Liu, W. (Author), Tu, J. (Author), Wen, T. (Author), Xiao, R. (Author), Zhang, B. (Author), Zhou, J. (Author) |
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Format: | Article |
Language: | English |
Published: |
Optica Publishing Group (formerly OSA)
2022
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Subjects: | |
Online Access: | View Fulltext in Publisher |
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