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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 23 — Aug. 10, 2004
  • pp: 4590–4597

Phase-matching and femtosecond difference-frequency generation in the quaternary semiconductor AgGaGe5Se12

V. Petrov, F. Noack, V. Badikov, G. Shevyrdyaeva, V. Panyutin, and V. Chizhikov  »View Author Affiliations


Applied Optics, Vol. 43, Issue 23, pp. 4590-4597 (2004)
http://dx.doi.org/10.1364/AO.43.004590


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Abstract

We present data on the linear (transmission, index of refraction) and nonlinear (second-order susceptibility) optical properties of the quaternary semiconductor AgGaGe5Se12 with orthorhombic symmetry—a solid solution in the Ag x Ga x Ge1-x Se2 system with x = 0.17. The nonlinear coefficients are estimated from phase-matched second-harmonic generation near 3 μm. After numerical analysis of the phase-matching configurations for three-wave nonlinear interactions, the first experimental results on difference-frequency mixing, producing tunable (4–7.5-μm) femtosecond pulses at a 1-kHz repetition rate, are described. The pulses of only five optical cycles (FWHM = 84 fs) are generated near 5 μm with energy of 0.5 μJ. Because of its higher damage threshold, larger birefringence and bandgap, and greater variety of phase-matching schemes, AgGaGe5Se12 could become an alternative to AgGaS2 and AgGaSe2, more widely used in high-power and specific applications.

© 2004 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

History
Original Manuscript: October 9, 2003
Revised Manuscript: March 8, 2004
Published: August 10, 2004

Citation
V. Petrov, F. Noack, V. Badikov, G. Shevyrdyaeva, V. Panyutin, and V. Chizhikov, "Phase-matching and femtosecond difference-frequency generation in the quaternary semiconductor AgGaGe5Se12," Appl. Opt. 43, 4590-4597 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-23-4590

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