| Budget Amount *help |
¥24,310,000 (Direct Cost: ¥18,700,000、Indirect Cost: ¥5,610,000)
Fiscal Year 2016: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2014: ¥12,870,000 (Direct Cost: ¥9,900,000、Indirect Cost: ¥2,970,000)
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| Outline of Final Research Achievements |
We have developed a new scheme for the wavelength conversion of single photons, which is essential for quantum information and communication technologies. Using cross-phase modulation in an optical fiber, we have successfully demonstrated lossless conversion of single photon wavelength and spectrum with up to 0.4 THz single side frequency shift. We also demonstrated that the scheme is applicable to manipulations of a non-classical frequency correlation, wave-packet interference, and entanglement between two photons, showing the applicability to quantum information processing. We further increased the number of simultaneously modulated photons up and demonstrated the external modulation of multiphoton spectral correlation and multiphoton quantum interference in a frequency space. Finally, we have numerically shown that temporal analog of the total internal reflection can be achieved using cross-phase modulation.
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