2-PHOTON GAIN AND LASING IN STRONGLY DRIVEN 2-LEVEL ATOMS

被引:72
作者
LEWENSTEIN, M [1 ]
ZHU, Y [1 ]
MOSSBERG, TW [1 ]
机构
[1] UNIV OREGON,DEPT PHYS,EUGENE,OR 97403
关键词
D O I
10.1103/PhysRevLett.64.3131
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Driven two-level atoms are shown to exhibit strong, resonantly enhanced, two-photon gain. This gain, unlike that observed in nonlinear mixing processes, is not constrained by a phase-matching condition involving the pump beam. Physically, the gain can be associated with inverted two-photon transitions between dressed states or multiphoton stimulated Raman scattering, and it may be useful in the realization of a two-photon laser. Comparison with the well-known single-photon gain found in the same system is made. © 1990 The American Physical Society.
引用
收藏
页码:3131 / 3134
页数:4
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