Wavelength Tuning by Temperature Control in MgO-Doped LiNbO3 Waveguide Quasi-Phase-Matching Twin Photon Generation Device

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概要

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• Waveguide quasi-phase-matching (QPM) twin photon generation (TPG) devices are the key device for future quantum communication. We examined the temperature dependences of the twin photon wavelengths of a MgO:LiNbO3 waveguide Type-I QPM TPG device to clarify the possibility of twin photon wavelength tuning. It turned out that, in a typical device of 19 μm QPM grating period for TPG in the 1.55 μm band, twin photon wavelength tuning ranges of {\simeq}16 and 300 nm can be obtained for degenerate and nondegenerate TPG, respectively, with temperature control in 25--150 °C.

• 2012-03-25

著者

• Suhara Toshiaki

  Division of Electrical Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

• Fujimura Masatoshi

  Division of Electrical Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

• Suhara Toshiaki

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

• Fujimura Masatoshi

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

• Kakuno Shigenobu

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

関連論文

• Wavelength Tuning by Temperature Control in MgO-Doped LiNbO3 Waveguide Quasi-Phase-Matching Twin Photon Generation Device
• Waveguide Quasi-Phase-Matched Sum-Frequency Generation Device Pumped by InGaAs Laser Diode for Single-Photon Detection in Communication Wavelength Band
• LiNbO3 Waveguide Quasi-Phase-Matched Highly Nondegenerate Twin Photon Generation Device for Heralded Single Photon Source

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