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Femtosecond single-mode diode-pumped Cr:LiSAF laser mode-locked with single-walled carbon nanotubes
Authors:Antonio Agnesi  Federico Pirzio  Elena Ugolotti  Sun Young Choi  Dong-II Yeom  Fabian Rotermund
Institution:1. University of Pavia, Electronics Department — Via Ferrata 1, I-27100 Pavia, Italy;2. Division of Energy Systems Research, Ajou University 443-749 Suwon, Republic of Korea;1. Department of Electronic Communication and Technology, Shenzhen Institute of Information Technology, 2188 Longxiang Road, Shenzhen 518172, People’s Republic of China;2. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Science, 865 Changning Road, Shanghai 200050, People’s Republic of China;3. College of Physics and Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China;1. Department of Physics, Jimei University, 361021, PR China;2. Department of Electronic Engineering, Xiamen University, 361005, PR China;1. Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia;2. Taibah University, Department of Physics, Madinah, Saudi Arabia;3. King Saud University, Department of Chemistry, Riyadh, Saudi Arabia;1. Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, 630-0192 Nara, Japan;2. Tokuyama Corporation, Shibuya 3-chome, Shibuya-ku, 150-8383 Tokyo, Japan;3. Department of Quantum Engineering, Nagoya Univ., Furo-cho, Chikusa-ku, 464-8603 Nagoya, Japan;1. Department of Mechanical Engineering, Chennai Institute of Technology, Chennai 600069, Tamilnadu, India;2. Department of Mechanical Engineering, Vel Tech High Tech Dr RR & Dr SR Engineering College, Chennai 600062, Tamilnadu, India
Abstract:A low threshold Cr:LiSAF laser pumped with an inexpensive single-mode laser diode emitting 120 mW was passively mode-locked with a novel ultrafast saturable absorber mirror based on single-walled carbon nanotubes (SWCNT-SAM). Pulses as short as 122 fs were achieved, tunable across 14 nm. A second pump diode coupled in polarization allowed to shorten the pulse duration to 106 fs, with up to 24-mW output power.
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