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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47122

Title: Generation of sub-terahertz repetition rates from a monolithic self-mode-locked laser coupled with an external Fabry-Perot cavity
Authors: H. C. Liang
Y. F. Chen
M. T. Chang
W. Z. Zhuang
K. W. Su
K. F. Huang
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2015-01
Issue Date: 2018-07-03T03:26:33Z
Publisher: Laser & Photonics Reviews
Abstract: Abstract: A novel scheme to multiply the repetition rate of a monolithic self‐mode‐locked laser for generating sub‐terahertz pulse sources is successfully demonstrated. A coated Yb:KGW crystal is designed to achieve a self‐mode‐locked operation at a repetition rate of 24 GHz with an average output power exceeding 1.0 W at a pump power of 4.8 W. A partially reflective mirror is utilized to combine with the output surface of the gain medium to constitute an external Fabry‐Perot cavity. It is theoretically and experimentally verified that adjusting the external cavity length to satisfy the commensurate condition can lead to the frequency spacing to be various order harmonics of the mode spacing of the monolithic cavity. The maximum pulse repetition rate of the laser output can be up to 216 GHz and the pulse duration is as short as 330 fs. More importantly, the overall characteristics of the first‐order temporal autocorrelation traces obtained by sequentially scanning the external cavity.length display an intriguing phenomenon of temporally fractional revivals, similar to the feature of spatial Talbot revivals.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47122
Appears in Collections:[光電科學研究所] 期刊論文

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