title: Demonstration of room-temperature laser action at 2.5 mum from Cr(2+):Cd(0.85)Mn(0.15)Te.
abstract: Room-temperature laser action from Cr(2+)-doped Cd(0.85)Mn(0.15)Te has been demonstrated for what is believed to be the first time. We achieved pulsed laser operation centered at ~2.5mu m by pumping into the mid-infrared absorption band of Cr(2+) ions by use of the 1.907- mum output of a H(2) Raman-shifted Nd:YAG laser. The output of the free-running Cr(2+):Cd(0.85)Mn(0.15)Te laser had a width of ~50 nm (FWHM), and the slope efficiency was calculated to be 5.5% under nonoptimum conditions.
authors.forename: U
authors.initials: U
authors.lastname: Hömmerich
authors.forename: X
authors.initials: X
authors.lastname: Wu
authors.forename: V R
authors.initials: VR
authors.lastname: Davis
authors.forename: S B
authors.initials: SB
authors.lastname: Trivedi
authors.forename: K
authors.initials: K
authors.lastname: Grasza
authors.forename: R J
authors.initials: RJ
authors.lastname: Chen
authors.forename: S
authors.initials: S
authors.lastname: Kutcher