The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2015
Filed:
Mar. 28, 2013
Oki Electric Industry Co., Ltd., Tokyo, JP;
Shin Arahira, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
In a quantum entangled photon pair generator selectively generating polarization entangled photon pairs and time-bin entangled photon pairs, an excitation optical pulse shaper receives a linearly polarized optical pulse, and selectively outputs either one of a polarization excitation optical pulse pair to be a seedlight pulse for a polarization entangled photon pair and a consecutive excitation optical pulse pair to be a seedlight pulse for a time-bin entangled photon pair. An optical interferometer receives the polarization excitation optical pulse pair or the consecutive excitation optical pulse pair, and outputs a correlated photon pair forming signal and idler photons through a parametric fluorescence process. A quantum entangled photon pair extractor spatially extracting wavelength components corresponding to photons of the quantum entangled photon pair to output the components as the polarization entangled photon pair or the time-bin entangled photon pair.