作者: Q. V. Lawande , Niharika Singh , R. D'Souza , B. N. Jagatap
DOI:
关键词: Degenerate energy levels 、 Coherence (physics) 、 Degree of coherence 、 Atomic physics 、 Physics 、 Lambda 、 Coherence length 、 Coherence theory 、 Laser linewidth 、 Coherence time 、 Quantum mechanics
摘要: We investigate theoretically amplification without inversion (AWI) in a degenerate double Λ system coherently driven by two fields. observe AWI with subnatural linewidth and attribute it to the low frequency coherence.