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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 6 — Mar. 15, 2005
  • pp: 634–636

Tandem chirped quasi-phase-matching grating optical parametric amplifier design for simultaneous group delay and gain control

M. Charbonneau-Lefort, M. M. Fejer, and Bedros Afeyan  »View Author Affiliations


Optics Letters, Vol. 30, Issue 6, pp. 634-636 (2005)
http://dx.doi.org/10.1364/OL.30.000634


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Abstract

We present a broadband optical parametric amplifier design using tapered gain and tandem chirped quasi-phase-matching gratings to obtain flat gain and group-delay spectra suitable for applications such as ultrashort-pulse amplification and fiber-optic communication systems. Although a tapered-gain amplifier consisting of a single chirped grating can provide constant gain over a wide frequency range, it cannot be used to control the group delay across the spectrum. We propose controlling both the gain and the group delay profiles using a two-stage amplifier configuration, in which the idler of the first is used as the input signal of the second.

© 2005 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(230.4320) Optical devices : Nonlinear optical devices

Citation
M. Charbonneau-Lefort, M. M. Fejer, and Bedros Afeyan, "Tandem chirped quasi-phase-matching grating optical parametric amplifier design for simultaneous group delay and gain control," Opt. Lett. 30, 634-636 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-6-634

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