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Using Quantum Coherence to Enhance Gain in Atomic Physics

Authors
  • Jha, Pankaj K.
Type
Preprint
Publication Date
Mar 08, 2013
Submission Date
Jan 28, 2013
Identifiers
arXiv ID: 1301.6663
Source
arXiv
License
Yellow
External links

Abstract

Quantum coherence and interference effects in atomic and molecular physics has been extensively studied due to intriguing counterintuitive physics and potential important applications. Here we present one such application of using quantum coherence to generate and enhance gain in extreme ultra-violet(XUV)(@58.4nm in Helium) and infra-red(@794.76nm in Rubidium) regime of electromagnetic radiation. We show that using moderate external coherent drive, a substantial enhancement in the energy of the lasing pulse can be achieved under optimal conditions. We also discuss the role of coherence. The present paper is intended to be pedagogical on this subject of coherence-enhanced lasing.

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