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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 2 — Jan. 15, 2008
  • pp: 125–127

Picosecond flat-top pulse generation by low-bandwidth electro-optic sinusoidal phase modulation

Naum K. Berger, Boris Levit, Baruch Fischer, and José Azaña  »View Author Affiliations


Optics Letters, Vol. 33, Issue 2, pp. 125-127 (2008)
http://dx.doi.org/10.1364/OL.33.000125


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Abstract

We report the first experimental demonstration to our knowledge of a microwave frequency upshifting system based on phase modulation. A sequence of flat-top optical and RF pulses at a repetition rate of 18.22 GHz , each with a FWHM time width of 25 ps , is generated from a sinusoidal RF tone of only 3.680 GHz , in good agreement with our analytical and numerical calculations. A simple explanation of this technique based on Talbot effect theory is provided. The practical limitations and capabilities of the phase-modulation-based frequency upshifting approach for ultrabroadband RF waveform generation are also discussed.

© 2008 Optical Society of America

OCIS Codes
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(320.5540) Ultrafast optics : Pulse shaping
(350.4010) Other areas of optics : Microwaves

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 14, 2007
Revised Manuscript: November 19, 2007
Manuscript Accepted: November 29, 2007
Published: January 8, 2008

Citation
Naum K. Berger, Boris Levit, Baruch Fischer, and José Azaña, "Picosecond flat-top pulse generation by low-bandwidth electro-optic sinusoidal phase modulation," Opt. Lett. 33, 125-127 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-2-125


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