Encoding qubits into the spatial distribution of single photons and entangled photon pairs

被引：0
|
作者：
Abouraddy, Ayman F. [1 ]
Saleh, Bahaa E. A. [1 ]
机构：
[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
来源：
QUANTUM INFORMATION AND COMPUTATION IX | 2011年 / 8057卷
关键词：
Entangled photons; quantum information processing; optical qubits; spatial entanglement; Bell's inequality; quantum nonlocality; PODOLSKY-ROSEN STATE; CONTINUOUS-VARIABLES; BELLS-INEQUALITY; QUANTUM; VIOLATION;
D O I：
10.1117/12.883983
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We discuss an approach to encoding qubits in the spatial distribution of single photons and entangled-photon pairs based on utilizing the spatial parity of the photon wave fronts. Using simple optical components, that do not require nonlinearities or moving parts, we discuss implementing rotations in the Hilbert space of spatial parity and measurement of the state of parity. Using entangled photon pairs, we use spatial parity to demonstrate quantum nonlocality by violating a Bell inequality using an EPR state. We also discuss generalizations of this scheme that may allow for a larger number of qubits to be encoded per photon.
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页数：7
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