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Proceedings Paper

The quantum ultraviolet catastrophe and the noise of an ultrashort pulse mode-locked laser
Author(s): Yuichi Takushima; Hermann A. Haus; Franz X. Kartner
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Paper Abstract

The ultraviolet quantum catastrophe of the zero-point fluctuations in an L-C circuit of finite Q is revisited. The zero-point energy is shown to approach the value hω0/2 only in the limit of an infinite Q. A Fabry-Perot resonator, on the other hand, has bounded zero-point energies of its modes that are equal to hω0/2 . We analyze the noise of an ultra-fast mode-locked laser when the slowly varying envelope approximation (SVEA) is not valid. It is found that quantum correlations exist that are not present in the SVEA. The correlations become evident in the spectrum of the zero-point uctuations.

Paper Details

Date Published: 16 May 2003
PDF: 12 pages
Proc. SPIE 5111, Fluctuations and Noise in Photonics and Quantum Optics, (16 May 2003); doi: 10.1117/12.496930
Show Author Affiliations
Yuichi Takushima, Massachusetts Institute of Technology (United States)
Hermann A. Haus, Massachusetts Institute of Technology (United States)
Franz X. Kartner, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 5111:
Fluctuations and Noise in Photonics and Quantum Optics
Derek Abbott; Jeffrey H. Shapiro; Yoshihisa Yamamoto, Editor(s)

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