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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 19, Iss. 1 — Jan. 1, 2002
  • pp: 28–32

Glass doped with PbS quantum dots as a saturable absorber for 1-µm neodymium lasers

A. M. Malyarevich, V. G. Savitski, P. V. Prokoshin, N. N. Posnov, K. V. Yumashev, E. Raaben, and A. A. Zhilin  »View Author Affiliations


JOSA B, Vol. 19, Issue 1, pp. 28-32 (2002)
http://dx.doi.org/10.1364/JOSAB.19.000028


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Abstract

Saturable-absorber mode locking and Q switching of neodymium-doped lasers at 1.06 µm with a PbS-doped glass were demonstrated. Q-switched pulses of 0.3 µJ in energy and 15 ns in duration from a cw diode-pumped Nd3+:KGd(WO4)2 laser and ultrashort pulses of 18 µJ in energy and 70 ps in duration from a Nd3+:Y3Al5O12 laser were obtained. The saturation intensity of the PbS-doped glass (with an average semiconductor crystallite radius of 1.7 nm) was estimated to be 2.3 MW/cm2 at 1.06 µm. The bleaching relaxation time was measured to be 23 ps.

© 2002 Optical Society of America

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(160.2750) Materials : Glass and other amorphous materials
(160.6000) Materials : Semiconductor materials

Citation
A. M. Malyarevich, V. G. Savitski, P. V. Prokoshin, N. N. Posnov, K. V. Yumashev, E. Raaben, and A. A. Zhilin, "Glass doped with PbS quantum dots as a saturable absorber for 1-μm neodymium lasers," J. Opt. Soc. Am. B 19, 28-32 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-1-28


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