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Widely linear and non-phase-matched optical-to-terahertz conversion on GaSe:Te crystals |
Optics Letters, Vol. 37, Issue 5, pp. 945-947 (2012)
http://dx.doi.org/10.1364/OL.37.000945
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Abstract
We demonstrate the widely linear and broadband terahertz (THz) generation on GaSe:Te crystals by femtosecond laser pulses. It was found that the dopant, Te atoms, in GaSe crystals significantly enhances the efficiency of THz generation, and its central frequency can be tuned by varying the crystal thickness through non-phase-matched optical rectification. Moreover, the wide-ranging linearity for the optical-to-THz conversion and central-frequency-tunable THz generation promise for GaSe:Te crystals to be potential materials for high-power (
© 2012 Optical Society of America
OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
ToC Category:
Nonlinear Optics
History
Original Manuscript: October 17, 2011
Revised Manuscript: January 11, 2012
Manuscript Accepted: January 12, 2012
Published: February 28, 2012
Citation
Wei-Chen Chu, Shin An Ku, Harn Jiunn Wang, Chih Wei Luo, Yu. M. Andreev, Grigory Lanskii, and T. Kobayashi, "Widely linear and non-phase-matched optical-to-terahertz conversion on GaSe:Te
crystals," Opt. Lett. 37, 945-947 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-5-945
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