Acta Optica Sinica, Volume. 15, Issue 10, 1337(1995)
Langevin Theory of a Λ-Type Two-Mode Laser
Mode coupling of a Λ-type two-mode laser operating near above threshold is discussed via Langevin quantum theory. Characteristics of coupling can be have not only mutual decrease and mutual increase but also being increased of one mode and being simultaneously decreased of the other, and both not being increased and not being decreased of either or the two modes. The characteristics depend both on the detunings of the two modes and on the initial populations of three atomic levels.
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[in Chinese]. Langevin Theory of a Λ-Type Two-Mode Laser[J]. Acta Optica Sinica, 1995, 15(10): 1337