A Passively Mode-Locked Nd:YVO₄ Laser
with a Carbon Nanotube Saturable Absorber¹

H. B. Qin^a, Y. G. Wang^c, H. B. Zhang^d, J. Liu^d, and Z. Zhuo^{a, b,} *

^a College of Physics and Electronics, Shandong Normal University, Jinan 250014, China

^b School of Information Science and Engineering, and Shandong Provincial Key Laboratory of Laser Technology
and Application, Shandong University, Jinan 250100, China

^c Research Center for Applied Sciences, Academia Sinica, Taiwan

^d Department of Chemistry, Duke University, FFSC2246,124 Science Dr., Box 90354, Durham, NC 27708-0354, USA

*e-mail: zhuozhuang@sdu.edu.cn

Received February 11, 2011; in final form, November 9, 2011; published online March 6, 2012

Abstract—We report the mode locking of a diode pumped Nd:YVO₄ crystal laser by using a transmission-type
single-walled carbon nanotube saturable absorber. The laser operated at 1064 nm pumped by a fiber coupled
laser diode with the cavity length of 1826 mm, generated a pulse width of 14 ps at a repetition rate of 82 MHz.
The output power of 120 mW was obtained at the absorbed pumping power of 1400 mW.

10.1134/S1054660X12040160

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