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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 10 — Oct. 1, 2010
  • pp: 2110–2115

Electro-optic time lens with an extended time aperture

Luis Enrique Munioz-Camuniez, Victor Torres-Company, Jesús Lancis, Jorge Ojeda-Castañeda, and Pedro Andrés  »View Author Affiliations


JOSA B, Vol. 27, Issue 10, pp. 2110-2115 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002110


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Abstract

We propose what we believe to be a new approach to correct the residual aberrations of time lenses implemented through electro-optic sinusoidal phase modulation. The method is based on a single modulator driven with various harmonic channels coming from the same clock signal. Proper weighting of the amplitude and phase of the channels allows us to achieve nearly perfect parabolic phase modulation over a fraction of the clock period. We show numerically that our proposal only requires three harmonics of the clock frequency to achieve truly parabolic modulation over a time window that extends across 70% of the period. We illustrate the benefits of this aberration-free scheme in a pulse compression scenario and compare its performance with previous conventional Fourier optimization techniques. Our study offers simple guidelines to achieve indeed quadratic phase modulation in situations where electro-optic phase modulation in lithium niobate is required, such as integrated frequency comb technology or high-speed optical pulse shaping.

© 2010 Optical Society of America

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(320.5520) Ultrafast optics : Pulse compression
(070.7145) Fourier optics and signal processing : Ultrafast processing

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: May 24, 2010
Revised Manuscript: August 11, 2010
Manuscript Accepted: August 13, 2010
Published: September 22, 2010

Citation
Luis Enrique Munioz-Camuniez, Victor Torres-Company, Jesús Lancis, Jorge Ojeda-Castañeda, and Pedro Andrés, "Electro-optic time lens with an extended time aperture," J. Opt. Soc. Am. B 27, 2110-2115 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-10-2110


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