Passively mode-locked 2-μm Tm:YAP laser with a double-wall carbon nanotube absorber

doi:10.1088/1674-1056/21/6/064211

Abstract We report on a diode-pumped passively continuous wave (cw) mode-locked Tm:YAP laser with a double-wall carbon nanotube (DWCNT) absorber operating at a wavelength of 2023 nm for the first time, to the best our knowledge. The DWCNT absorber is fabricated on a hydrophilic quartz substrate by using the vertical evaporation technique. The output power is as high as 375 mW. A stable pulse train with a repetition rate of 72.26 MHz is generated with a highest single pulse energy of 5.2 μJ.

Keywords: double-wall carbon nanotubes Tm:YAP passive mode-locking

Received: 21 June 2011
Revised: 21 September 2011
Accepted manuscript online:

PACS:	42.60.Fc	(Modulation, tuning, and mode locking)
	42.65.Re	(Ultrafast processes; optical pulse generation and pulse compression)
	42.70.Nq	(Other nonlinear optical materials; photorefractive and semiconductor materials)
	42.70.Km	(Infrared transmitting materials)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61078032) and the Science and Technology Funds on Solide-State Laser Laboratory of China (Grant No. 9140C0403011106).

Corresponding Authors: Liu Jie
E-mail: jieliu@sdnu.edu.cn

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Qu Zun-Shi(曲遵世), Wang Yong-Gang(王勇刚), Liu Jie(刘杰), Zheng Li-He(郑丽和), Su Liang-Bi(苏良碧), and Xu Jun(徐军) Passively mode-locked 2-μm Tm:YAP laser with a double-wall carbon nanotube absorber 2012 Chin. Phys. B 21 064211

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Passively mode-locked 2-μm Tm:YAP laser with a double-wall carbon nanotube absorber

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