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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 12 — Dec. 1, 2001
  • pp: 1777–1779

Linearity of optical amplifiers and the Tomonaga approximation

H. A. Haus  »View Author Affiliations


JOSA B, Vol. 18, Issue 12, pp. 1777-1779 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001777


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Abstract

Linear optical amplifiers are described quantum mechanically by a linear differential equation with Langevin operator noise sources. Even if the gain medium is composed of fermions, in the limit when the amplifier is a linear amplifier, the noise sources must have bosonlike commutation relations. I show in detail how the Tomonaga approximation produces the bosonic commutators of the noise sources.

© 2001 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3550) Lasers and laser optics : Lasers, Raman
(140.4480) Lasers and laser optics : Optical amplifiers
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

Citation
H. A. Haus, "Linearity of optical amplifiers and the Tomonaga approximation," J. Opt. Soc. Am. B 18, 1777-1779 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-12-1777


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References

  1. C. H. Henry and R. F. Kazarinov, “Quantum noise in photonics,” Rev. Mod. Phys. 68, 802–851 (1995).
  2. H. A. Haus and J. A. Mullen, “Quantum noise in linear amplifiers,” Phys. Rev. 128, 2407–2415 (1962). [CrossRef]
  3. S. Tomonaga, Prog. Theor. Phys. 5, 544–552 (1950). [CrossRef]
  4. G. D. Mahan, Many-Particle Physics, 2nd ed. (Plenum, New York 1990), Sec. 4–4, pp. 324–331.
  5. K. D. Schotte and U. Schotte, “Tomonaga’s model and the threshold singularity of x-ray spectra of metals,” Phys. Rev. 132, 479–482 (1969). [CrossRef]
  6. H. A. Haus, Electromagnetic Noise and Quantum Optical Measurements (Springer, New York, 2000), pp. 150–154.
  7. H. A. Haus and Y. Yamamoto, “Theory of feedback-generated states,” Phys. Rev. A 34, 270–292 (1986). [CrossRef] [PubMed]

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