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Applied Physics Letters / Volume 98 / Issue 12 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 98, 121119 (2011); http://dx.doi.org/10.1063/1.3571550 (3 pages)

Efficient parametric terahertz generation in quasi-phase-matched GaP through cavity enhanced difference-frequency generation

Eliot B. Petersen1,2, Wei Shi1, Arturo Chavez-Pirson1, N. Peyghambarian1,3, and Adam T. Cooney4

1NP Photonics Inc., 9030 S Rita Rd., Tucson, Arizona 85747, USA
2Physics Department, University of Arizona, Tucson, Arizona 85721, USA
3College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA
4Air Force Research Laboratory, Wright Patterson AFB, Ohio 45433, USA

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(Received 29 January 2011; accepted 7 March 2011; published online 25 March 2011)

We report an efficient parametric terahertz (THz) source by using bonded quasi-phase-matched (QPM) GaP crystals pumped by the C-band pulsed fiber lasers in a master oscillator power amplifier configuration, based on difference frequency generation (DFG). We observed that the QPM-GaP crystals can effectively increase the THz generation power and efficiency by increasing the number of periods. Moreover, we observed external cavity enhanced THz DFG by placing the QPM-GaP crystal in an external ring cavity. The THz cavity enhancement factor of approximately 250 has been achieved in comparison with a single-pass THz DFG. The maximum THz average power can reach 339 μW, corresponding to a power conversion efficiency of 2.43×10−4 and a quantum efficiency of 3.16%.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

gallium compounds, III-VI semiconductors, microwave photonics, optical fibre amplifiers, optical frequency conversion, optical phase matching, optical pumping, power amplifiers, power conversion, terahertz wave generation

PACS

  • 84.40.-x

    Radiowave and microwave (including millimeter wave) technology

  • 42.65.Ky

    Frequency conversion; harmonic generation, including higher-order harmonic generation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3571550

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    K. L. Vodopyanov, M. M. Fejer, X. Yu, J. S. Harris, Y. -S. Lee, W. C. Hurlbut, V. G. Kozlov, D. Bliss, and C. Lynch, Appl. Phys. Lett. 89, 141119 (2006)APPLAB000089000014141119000001.

    Y. Jiang, Y. J. Ding, and I. B. Zotova, Appl. Phys. Lett. 96, 031101 (2010)APPLAB000096000003031101000001.

    I. Tomita, H. Suzuki, H. Ito, H. Takenouchi, K. Ajito, R. Rungsawang, and Y. Ueno, Appl. Phys. Lett. 88, 071118 (2006)APPLAB000088000007071118000001.

    Y. Sasaki, A. Yuri, K. Kawase, and H. Ito, Appl. Phys. Lett. 81, 3323 (2002)APPLAB000081000018003323000001.


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