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Photonic Quantum Computing

Coupled quantum electrodynamics in photonic crystal nanocavities

arXiv
Authors: Yun-Feng Xiao, Jie Gao, Xu-Bo Zou, James F. McMillan, Xiaodong Yang, You-Ling Chen, Zheng-Fu Han, Guang-Can Guo, Chee Wei Wong

Year

2007

Paper ID

49645

Status

Preprint

Abstract Read

~2 min

Abstract Words

85

Citations

N/A

Abstract

We show that a scalable photonic crystal nanocavity array, in which single embedded quantum dots are coherently interacting, can perform as an universal single-operation quantum gate. In a passive system, the optical analogue of electromagnetically-induced-transparency is observed. The presence of a single two-level system in the array dramatically controls the spectral lineshapes. When each cavity couples with a two-level system, our scheme achieves two-qubit gate operations with high fidelity and low photon loss, even in the bad cavity limit and with non-ideal detuning and decoherence.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2007 reference point for readers tracking recent quantum research.
  • We show that a scalable photonic crystal nanocavity array, in which single embedded quantum dots are coherently interacting, can perform as an universal single-operation...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0707.2632 [2] arXiv https://arxiv.org/abs/0707.2632 [3] Publisher https://arxiv.org/abs/0707.2632

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