中国物理B ›› 1997, Vol. 6 ›› Issue (2): 92-96.doi: 10.1088/1004-423X/6/2/002

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LASING WITHOUT INVERSION AND ORIGIN OF GAIN IN A Λ SYSTEM

张登玉   

  1. Laser Spectroscopy Laboratory, Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031, China
  • 收稿日期:1996-04-08 出版日期:1997-02-20 发布日期:1997-02-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China.

LASING WITHOUT INVERSION AND ORIGIN OF GAIN IN A $\Lambda$ SYSTEM

ZHANG DENG-YU (张登玉)   

  1. Laser Spectroscopy Laboratory, Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031, China
  • Received:1996-04-08 Online:1997-02-20 Published:1997-02-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China.

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摘要： A three-level Λ-type atomic system is pumped by an incoherent radiation field. The system lases without population inversion in the steady state. We analyze the inversionless gain and origin of the gain.

Abstract: A three-level $\Lambda$-type atomic system is pumped by an incoherent radiation field. The system lases without population inversion in the steady state. We analyze the inversionless gain and origin of the gain.

中图分类号:  (Quantum optics)

  • 42.50.-p
32.80.-t (Photoionization and excitation)