Passively Mode-Locked Yb:LYSO Laser with a Reflection Type
Single-Walled Carbon Absorber¹

Q. Yang^a, J. Liu^a, *, X. W. Fan^a, L. N. Zhao^a, S. Z. Jiang^a, L. H. Zheng^b,
L. B. Su^b, J. Xu^b, and Y. G. Wang^c

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

^b Key Laboratory of Transparent and Opto-functional Inorganic Materials, Shanghai Institute of Ceramics,
Chinese Academy of Sciences, Shanghai 201800, China

^c Department of Applied Physics, Hong Kong Polytechnic University, Hong Kong, China

*e-mail: jieliu@sdnu.edu.cn, liujie-jn@sohu.com

Received December 9, 2011; in final form, December 14, 2011; published online April 3, 2012

Abstract—Passively diode-pumped Yb:LuYSiO₅ (Yb:LYSO) laser mode locked by reflection-type single
walled carbon nanotubes saturable absorber (RSWCNT-SA) is reported for the first time. Under the absorbed
pump power of 13.23 W, continuous wave (CW) mode-locked pulses were generated with the maximum aver-
age output power of 157 mW. We obtained pulses as short as 4.0 ps around a center wavelength of 1038.3 nm.
The peak power and the single pulse energy of the mode-locked laser were 0.38 kW and 1.52 nJ, respectively.

DOI: 10.1134/S1054660X12050295

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