Fundamental thermodynamic limit of laser efficiency

Stanley Pau, Gunnar Björk, Joseph Jacobson, Yoshihisa Yamamoto

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The thermodynamic limits on the efficiency of different types of lasers are calculated both classically and quantum mechanically. In the classical case, the limit is derived from the inequality provided by the population inversion. In the quantum mechanical case, the limit is derived from the inequality of the change of entropy. The Shannon and von Neuman entropies of different light states are worked out.

Original languageEnglish (US)
Pages (from-to)567-572
Number of pages6
JournalIEEE Journal of Quantum Electronics
Volume32
Issue number3
DOIs
StatePublished - Mar 1 1996
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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