Laser applications and other topics in quantum electronics

Function representing the density of states in optical waves (methodological note)

L. A. Rivlin


Abstract: It is shown that the familiar expression for the density of states in optical waves (representing the density of free-space modes) is a consequence of the classical indeterminacy relationship (Fourier transformation) and its justification does not require introduction of any of the usual additional postulates.

UDC: 535.231.14

PACS: 42.50.Dv, 03.65.-w

Received: 09.01.1989

 English version: Soviet Journal of Quantum Electronics, 1989, 19:10, 1390–1391

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