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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 4, Iss. 9 — Sep. 1, 1979
  • pp: 295–296

Suppression of some artifacts of modal noise in fiber-optic systems

Jonathan Vanderwall and James Blackburn  »View Author Affiliations


Optics Letters, Vol. 4, Issue 9, pp. 295-296 (1979)
http://dx.doi.org/10.1364/OL.4.000295


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Abstract

Modal noise, which can cause severe distortion in signals transmitted by fiber optics, is an interference effect that is made more severe by the narrow spectral width of single-mode lasers. The linearity of these devices may be totally obscured after the optical signal has passed through the connectors and fiber lengths of a practical signal system. Dithering the laser’s operating point by means of a high-frequency current (>2 GHz) has been found greatly to reduce modal noise.

© 1979 Optical Society of America

History
Original Manuscript: May 9, 1979
Published: September 1, 1979

Citation
Jonathan Vanderwall and James Blackburn, "Suppression of some artifacts of modal noise in fiber-optic systems," Opt. Lett. 4, 295-296 (1979)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-4-9-295


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References

  1. R. E. Epworth, “The phenomenon of modal noise in fiber systems,” presented at the Topical Meeting on Optical Fiber Communication, Washington, D. C., March 8, 1979.
  2. Mitsubishi Laser Diode ML-2000 Series Technical Note (Semiconductor Laboratory, Mitsubishi Electric Corporation, 4-1 Mizuhara, Itami, Hyogo, 664, Japan, December1978), Sec. 2.3, p. 6.

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