Effective terahertz-to-near-infrared photon conversion in slant-stripe-type periodically poled LiNbO3

DOI PDF 8 Citations 18 References
  • K. Nawata
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • T. Notake
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • H. Ishizuki
    Laser Research Center for Molecular Science, Institute for Molecular Science, 38 Nishigo-Naka, Myodaiji 2 , Okazaki 444-8585, Japan
  • F. Qi
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • Y. Takida
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • S. Fan
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • S. Hayashi
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan
  • T. Taira
    Laser Research Center for Molecular Science, Institute for Molecular Science, 38 Nishigo-Naka, Myodaiji 2 , Okazaki 444-8585, Japan
  • H. Minamide
    Tera-Photonics Laboratory, RIKEN Center for Advanced Photonics, 519-1399 Aramakiaoba, Aoba 1 , Sendai 980-0845, Japan

Description

<jats:p>We propose a slant-stripe-type periodically poled LiNbO3 crystal for the construction of a practical quasi-phase-matched (QPM) device for terahertz (THz) detection. A minimum detectable THz-wave energy of 25 fJ/pulse is demonstrated, and a linear input-output property with a dynamic range of 60 dB is achieved. The working frequency range of 0.15 THz for THz detection is obtained, and the central frequency of the sensitivity can be controlled by the design of the periodically poled structure. THz detection using this QPM device is a promising technique that may allow the detection of a coherent THz photon.</jats:p>

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