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Wavelength tuning by temperature control in MgO-doped LiNbO waveguide quasi-phase-matching twin photon generation device

Japanese Journal of Applied Physics, ISSN: 0021-4922, Vol: 51, Issue: 3 PART 1
2012
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  • Citations
    2
    • Citation Indexes
      2

Article Description

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:LiNbO 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 '16 and 300nm can be obtained for degenerate and nondegenerate TPG, respectively, with temperature control in 25-150 °C. © 2012 The Japan Society of Applied Physics.

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