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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 3 — Feb. 1, 2008
  • pp: 222–224

Fiber transmission and generation of ultrawideband pulses by direct current modulation of semiconductor lasers and chirp-to-intensity conversion

Víctor Torres-Company, Kamau Prince, and Idelfonso Tafur Monroy  »View Author Affiliations


Optics Letters, Vol. 33, Issue 3, pp. 222-224 (2008)
http://dx.doi.org/10.1364/OL.33.000222


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Abstract

Optical pulses generated by current modulation of semiconductor lasers are strongly frequency chirped. This effect has been considered pernicious for optical communications. We take advantage of this effect for the generation of ultrawideband microwave signals by using an optical filter to achieve chirp-to-intensity conversion. We also experimentally achieve propagation through a 20 km nonzero dispersion shifted fiber with no degradation of the signal at the receiver. Our method constitutes a prospective low-cost solution and offers integration capabilities with fiber-to-the-customer-premise systems.

© 2008 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(350.4010) Other areas of optics : Microwaves
(250.5960) Optoelectronics : Semiconductor lasers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 15, 2007
Manuscript Accepted: December 15, 2007
Published: January 22, 2008

Citation
Víctor Torres-Company, Kamau Prince, and Idelfonso Tafur Monroy, "Fiber transmission and generation of ultrawideband pulses by direct current modulation of semiconductor lasers and chirp-to-intensity conversion," Opt. Lett. 33, 222-224 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-3-222


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