Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/96104
Title: Cavity-length optimization for high energy pulse generation in a long cavity passively mode-locked all-fiber ring laser
Authors: Shum, Perry Ping
Wu, Kan
Wong, Jia Haur
Aditya, Sheel
Li, Nanxi
Xue, Jin
Ouyang, Chunmei
Issue Date: 2012
Source: Li, N., Xue, J., Ouyang, C., Wu, K., Wong, J. H., Aditya, S., et al. (2012). Cavity-length optimization for high energy pulse generation in a long cavity passively mode-locked all-fiber ring laser. Applied Optics, 51(17), 3726-3730.
Series/Report no.: Applied optics
Abstract: In order to achieve higher pulse energy in a passively mode-locked fiber ring laser, a long cavity length is commonly implemented. However, a long cavity operating in the anomalous dispersion regime also leads to pulse broadening, which reduces the average pulse power. In this paper, the trade-off between cavity length and average pulse power is investigated with the aim of optimizing the cavity length to achieve maximum pulse energy. Numerical simulation results, presented here, indicate that there exists an optimum cavity length for which the pulse energy is maximum and the optimum length shifts as the pump power changes. The simulation results for a pump power of 500 mW are verified by measurements carried out on a long cavity nonlinear polarization rotation mode-locked all-fiber ring laser operating in the anomalous dispersion regime. With a repetition rate of 266 kHz for the dissipative solitons, we achieve a pulse energy of 139.1 nJ for a cavity length of 700 m. Higher pulse energy can be expected by using a pump laser diode with higher pump power.
URI: https://hdl.handle.net/10356/96104
http://hdl.handle.net/10220/10097
DOI: http://dx.doi.org/10.1364/AO.51.003726
Rights: © 2012 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/AO.51.003726].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
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