COMPARISON F MEASURED AND CALCULATED CARRIER LIFETIMES FOR InGaAsP LASERS

Selectivephotodissociation of TlCl and TU using248nm ra-INTRODUCTIONd i a t i o n f r o m a ~ F * e x c ~ e r l a s e ~ h a s b e e n u ~ d t o ~ e a t e a T 1 * ( 6 ~‘P;/Z) N this letter we report studies of the T1 anti-stokes R m a nemission at 376 nm has been observed using a532 nm pump laser. OutIlaser in which new methods for creating themetastable state population inversion. Stimulated antistokes Raman put power at the antistokes wavelength and conversion efficiencies are TI* ( 6 ~2pi,2) Population inversion have been investigated.reported.The first observation ofstimulatedanti-StokesRaman emissionwas performed by preparing a T1”(6p metastable inver-Manuscript received February 5,1982.sion with respect to the ground state of T1 by selective photo-Theauthorsarewith Bell Laboratories,Holmdel, NJ 07733.dissociation of TlCl by a 193 nm photon from an ArF* excimer 0018-9197/82/0600-0941$00.75