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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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References

  1. C. H. Bulmer, “Sensitive, highly linear lithium niobate interferometers for electromagnetic field sensing,” Appl. Phys. Lett. 53, 2368–2370 (1988). [CrossRef]
  2. C. H. Bulmer, A. D. Kersey, M. A. Davis, “Interrogation of an integrated optic modulator over a low-birefringence fiber using polarization tracking,” IEEE Photon. Technol. Lett. 1, 35–37 (1989). [CrossRef]
  3. R. H. Buckley, Hughes Aircraft Co., Rancho Santa Margarita, Calif. 92688 (personal communication, 1990).
  4. H. Mandelberg, Laboratory for Physical Sciences, College Park, Md. 20740 (personal communication, 1990).
  5. M. Kruger, Laboratory for Physical Sciences, College Park, Md. 20740 (personal communication, 1990).
  6. C. Lin, Optoelectronic Technology and Lightwaue Communications Systems (Van Nostrand Reinhold, New York, 1989), p. 618.
  7. B. Moslehi, “Noise power spectra of optical two-beam interferometers induced by the laser phase noise,” IEEE J. Lightwave Technol. LT-4, 1704–1710 (1986). [CrossRef]
  8. W. K. Burns, R. P. Moeller, C. H. Bulmer, A. S. Greenblatt, “Depolarized source for fiber-optic applications,” Opt. Lett. 16, 381–383 (1991). [CrossRef] [PubMed]

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