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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 30 — Oct. 20, 1992
  • pp: 6437–6440

Effect of phase noise in linear modulator systems

C. H. Bulmer, R. P. Moeller, and W. K. Burns  »View Author Affiliations


Applied Optics, Vol. 31, Issue 30, pp. 6437-6440 (1992)
http://dx.doi.org/10.1364/AO.31.006437


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Abstract

Measurements of noise levels with semiconductor lasers and long lengths of polarization-preserving fiber, as used in typical linear modulator systems, show noise levels that are ~ 10 dB above thermal noise because of laser phase-to-intensity noise conversion. Data are presented for several launching angles into both polarization-preserving and polarizing fiber. There is good agreement with theory for the variation in noise with an output analyzer angle. To reduce the noise either a single frequency source must be used or the polarization-preserving fiber must be replaced by a conventional single-mode fiber.

© 1992 Optical Society of America

History
Original Manuscript: August 20, 1991
Published: October 20, 1992

Citation
C. H. Bulmer, R. P. Moeller, and W. K. Burns, "Effect of phase noise in linear modulator systems," Appl. Opt. 31, 6437-6440 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-30-6437

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