发明名称 |
DEVICE AND METHOD FOR GENERATING POLARIZATION-ENTANGLED PHOTON PAIR |
摘要 |
<p>A wavelength-multiplexed polarization entangled photon pair generator (1) includes: a pump light source (2); a polarization entangled photon pair generating body (4) on which pump light (3) outputted from the pump light source (2) falls; and a spectrometer (7) on which a wavelength-multiplexed parametric photon pair (5) outputted from the polarization entangled photon pair generating body 4 falls. The polarization entangled photon pair generating body (4) made of a nonlinear optical crystal (11) generates wavelength-multiplexed photon pairs by subjecting the pump light 3 to type II phase matching. As a nonlinear optical crystal 11, lithium tantalate of periodically poled structure (11A) can be used, and as a spectrometer (7), an arrayed-waveguide grating can be used. Wavelength-multiplexed polarization entangled photon pairs (5) can thus be generated with simple equipment.</p> |
申请公布号 |
EP2439585(B1) |
申请公布日期 |
2014.04.30 |
申请号 |
EP20100783443 |
申请日期 |
2010.06.03 |
申请人 |
JAPAN SCIENCE AND TECHNOLOGY AGENCY |
发明人 |
SHIMIZU, RYOSUKE;EDAMATSU, KEIICHI |
分类号 |
G02F1/35;H04B10/70;H04L9/12 |
主分类号 |
G02F1/35 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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