Opt Express. 2009 Jun 22;17(13):11007-12.

Passive mode-locking of a Tm-doped bulk laser near 2 microm using a carbon nanotube saturable absorber.

Cho WB, Schmidt A, Yim JH, Choi SY, Lee S, Rotermund F, Griebner U, Steinmeyer G, Petrov V, Mateos X, Pujol MC, Carvajal JJ, Aguiló M, Díaz F.

Source

Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy, Berlin, Germany.

Abstract

Stable and self-starting mode-locking of a Tm:KLu(WO(4))(2) crystal laser is demonstrated using a transmission-type single-walled carbon nanotube (SWCNT) based saturable absorber (SA). These experiments in the 2 microm regime utilize the E11 transition of the SWCNTs for nonlinear saturable absorption. The recovery time of the SWCNT-SA is measured by pump-probe measurements as approximately 1.2 ps. The mode-locked laser delivers approximately 10 ps pulses near 1.95 microm with a maximum output power of up to 240 mW at 126 MHz repetition rate.

PMID:: 19550500; [PubMed - indexed for MEDLINE]

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Passive mode-locking of a Tm-doped bulk laser near 2 microm using a carbon nanot...
Passive mode-locking of a Tm-doped bulk laser near 2 microm using a carbon nanotube saturable absorber.
Opt Express. 2009 Jun 22 ;17(13):11007-12.

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