Quantum Router for Single Photons Carrying Spin and Orbital Angular Momentum

被引：0
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作者：
Yuanyuan Chen
Dong Jiang
Ling Xie
Lijun Chen
机构：
[1] State Key Laboratory for Novel Software Technology,
[2] Nanjing University,undefined
来源：
Scientific Reports | / 6卷
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摘要：
Quantum router is an essential element in the quantum network. Here, we present a fully quantum router based on interaction free measurement and quantum dots. The signal photonic qubit can be routed to different output ports according to one control electronic qubit. Besides, our scheme is an interferometric method capable of routing single photons carrying either spin angular momentum (SAM) or orbital angular momentum (OAM), or simultaneously carrying SAM and OAM. Then we describe a cascaded multi-level quantum router to construct a one-to-many quantum router. Subsequently we analyze the success probability by using a tunable controlled phase gate. The implementation issues are also discussed to show that this scheme is feasible.
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