Inversionless lasing with self-generated driving field
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Overview
abstract
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We propose and study resonant ladder schemes of inversionless lasing on a fast-decaying transition when the population inversion is not possible or very difficult to achieve. The driving field on a neighboring, slowly decaying transition is not imposed externally, but is self generated in the same active medium. Inversionless lasing in such schemes avoids the problem of driving-field absorption and leads to considerable reduction in the required pumping rate. Applications of such schemes include inversionless ultraviolet and soft x-ray lasing in gas lasers and inversionless generation of coherent mid/far-infrared emission on intersubband (interlevel) transitions in multiple quantum-well or quantum-dot laser diodes. © 2001 The American Physical Society.
author list (cited authors)
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Belyanin, A., Bentley, C., Capasso, F., Kocharovskaya, O., & Scully, M. O
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Belyanin, Alexey||Bentley, Cleo||Capasso, Federico||Kocharovskaya, Olga||Scully, Marlan O
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keywords
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3-level System
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Amplification
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Coherence
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Frequency Up-conversion
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Laser
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Optics
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Physics, Atomic, Molecular And Chemical
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Semiconductor
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http://dx.doi.org/10.1103/PhysRevA.64.013814
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