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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 9 — May. 1, 2009
  • pp: 1312–1314

Optical generation of polarity- and shape-switchable ultrawideband pulses using a chirped intensity modulator and a first-order asymmetric Mach–Zehnder interferometer

Shilong Pan and Jianping Yao  »View Author Affiliations


Optics Letters, Vol. 34, Issue 9, pp. 1312-1314 (2009)
http://dx.doi.org/10.1364/OL.34.001312


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Abstract

We propose and demonstrate a simple method to generate ultrawideband (UWB) pulses in the optical domain using a chirped intensity modulator and an asymmetric Mach–Zehnder interferometer (AMZI). Polarity- and shape-switchable UWB Gaussian monocycle, doublet, and triplet pulses with fractional bandwidths of 158%, 134%, and 100% and center frequencies of 6.52, 9.78, and 10.1 GHz are experimentally generated by controlling the dc bias of the intensity modulator and adjusting the polarization controller in the AMZI.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(350.4010) Other areas of optics : Microwaves
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 2, 2009
Revised Manuscript: March 17, 2009
Manuscript Accepted: March 18, 2009
Published: April 20, 2009

Citation
Shilong Pan and Jianping Yao, "Optical generation of polarity- and shape-switchable ultrawideband pulses using a chirped intensity modulator and a first-order asymmetric Mach–Zehnder interferometer," Opt. Lett. 34, 1312-1314 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1312

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