Atomic coherence effects within the sodium D1manifold. III. Lasing without inversion via population trapping Academic Article uri icon


  • Transient lasing without inversion has been experimentally demonstrated in sodium vapour. The principle of this atomic coherence effect can be well understood from the theory of a simple four-level system. The experimental results match with numerical simulations which take the complete hyperfine structure of the sodium D 1 line into account. The differences between our system and a Raman laser are discussed.

author list (cited authors)

  • Padmabandu, G. G., Li, X., Su, C., Fry, E. S., Nikonov, D. E., Zhu, S., Meyer, G. M., & Scully, M. O

complete list of authors

  • Padmabandu, GG||Li, Xingfu||Su, Chang||Fry, ES||Nikonov, DE||Zhu, Shi-Yao||Meyer, GM||Scully, MO

publication date

  • January 1, 1994 11:11 AM