Gain without inversion in a V-type system with low coherence decay rate for the upper levels

Bhattacharyya, Dipankar; Ray, Biswajit; Ghosh, Pradip N.

Gain without inversion in a V-type system with low coherence decay rate for the upper levels

Authors

Bhattacharyya, Dipankar

Ray, Biswajit

Ghosh, Pradip N.

Description

Inversionless gain is observed in a V-type inhomogeneously broadened system without introducing any incoherent pumping and only by changing the collisional dephasing decay rate. In this system sub-Doppler linewidth is achieved with off-resonance pump detuning.
9 pages, 4 figures