Title :
Elimination of self-focusing and self-defocusing under the condition of electromagnetically induced transparency in a lambda-type atomic samarium vapor
Author :
Oh, Myoung-Kyu ; Lee, Won-Kyu ; Jeon, Jin-Ho ; Choi, Won-Shik ; An, Kyungwon ; Lee, Jai-Hyung
Author_Institution :
Sch. of Phys., Seoul Nat. Univ., South Korea
Abstract :
We observed that the spatial distortions of a probe pulse from Kerr nonlinearity were eliminated almost perfectly when a strong coupling pulse copropagates with the probe on two-photon-resonance in Λ-type 3 levels of atomic Sm.
Keywords :
high-speed optical techniques; laser beams; optical Kerr effect; optical distortion; resonant states; samarium; self-induced transparency; two-photon processes; Λ-type atomic Sm; Kerr nonlinearity; Sm; coupled pulse copropagation; electromagnetically induced transparency; lambda-type atomic samarium vapor; probe pulse; pulsed dye laser; self-defocusing; self-focusing; spatial distortions; two-photon-resonance; Atom lasers; Atomic beams; Laser noise; Laser transitions; Optical coupling; Optical propagation; Optical pulses; Probes; Samarium; Space vector pulse width modulation;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1277068
