Passive mode-locking of a Tm-doped bulk laser near 2 microm using a carbon nanotube saturable absorber.
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.
Cho
Won Bae
WB
Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy, Berlin, Germany.
Schmidt
Andreas
A
Yim
Jong Hyuk
JH
Choi
Sun Young
SY
Lee
Soonil
S
Rotermund
Fabian
F
Griebner
Uwe
U
Steinmeyer
Günter
G
Petrov
Valentin
V
Mateos
Xavier
X
Pujol
Maria C
MC
Carvajal
Joan J
JJ
Aguiló
Magdalena
M
Díaz
Francesc
F
D000042:Absorption; D017076:Computer-Aided Design; D004867:Equipment Design; D005336:Fiber Optic Technology; D007834:Lasers; D008670:Metals / Q000737:chemistry; D049329:Nanostructures / Q000737:chemistry; D037742:Nanotubes, Carbon / Q000737:chemistry*; D055095:Optics and Photonics; D009991:Oscillometry / Q000379:methods; D011846:Radio Waves; D013932:Thulium / Q000737:chemistry*; D013997:Time Factors
D008670:Metals; D037742:Nanotubes, Carbon; D013932:Thulium