Bidirectional quantum teleportation of unknown photons using path-polarization intra-particle hybrid entanglement and controlled-unitary gates via cross-Kerr nonlinearity
- Authors
- Heo, Jino; Hong, Chang-Ho; Lim, Jong-In; Yang, Hyung-Jin
- Issue Date
- 5월-2015
- Publisher
- IOP PUBLISHING LTD
- Keywords
- intra-particle hybrid entanglement; cross-Kerr nonlinearity; bidirectional quantum teleportation
- Citation
- CHINESE PHYSICS B, v.24, no.5
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHINESE PHYSICS B
- Volume
- 24
- Number
- 5
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/93648
- DOI
- 10.1088/1674-1056/24/5/050304
- ISSN
- 1674-1056
- Abstract
- We propose an arbitrary controlled-unitary (CU) gate and a bidirectional quantum teleportation (BQTP) scheme. The proposed CU gate utilizes photonic qubits (photons) with cross-Kerr nonlinearities (XKNLs), X-homodyne detectors, and linear optical elements, and consists of the consecutive operation of a controlled-path (C-path) gate and a gathering-path (G-path) gate. It is almost deterministic and feasible with current technology when a strong coherent state and weak XKNLs are employed. Based on the CU gate, we present a BQTP scheme that simultaneously teleports two unknown photons between distant users by transmitting only one photon in a path-polarization intra-particle hybrid entangled state. Consequently, it is possible to experimentally implement BQTP with a certain success probability using the proposed CU gate.
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Collections - School of Cyber Security > Department of Information Security > 1. Journal Articles
- College of Science and Technology > Semiconductor Physics in Division of Display and Semiconductor Physics > 1. Journal Articles
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