Telecom-Band Entanglement Generation for Chipscale Quantum Processing

Details Telecom-Band Entanglement Generation for Chipscale Quantum Processing Telecom-Band Entanglement Generation for Chipscale Quantum Processing

2008-01-17

arxiv.org/abs/0801.2606v1

Physics

Quantum Physics

9 pages, 3 figures

Scientific paper

We demonstrate polarization-entanglement for non-degenerate and degenerate photon-pairs generated through Kerr-nonlinearity in a nano-scale silicon-on-insulator(SOI) waveguide. We use a compact counter propagating configuration to create two-photon polarization-entangled state, |H>|H> + |V>|V>. We observe two-photon interference with visibility > 91% and > 80% for non-degenerate and degenerate photon-pairs, respectively. The experimental structure can be implemented on optical chips as an integrated source of entangled photons for future quantum computer and communication applications.

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