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Generating entangled photons on monolithic chips
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Paper Abstract

Generating entangled photons on monolithic chips is a significant progress towards real-life applications of optical quantum information processing such as quantum key distribution and quantum computing. Here we present our recent achievements in generating polarization entangled photons on monolithic III-V semiconductor chips without any off-chip component. We demonstrate the direct generation of broadband polarization entangled photons from a semiconductor chip for the first time with a record degree of entanglement. We also show an alternative approach for polarization entangled photon generation on the same epitaxial structure, which enabled a single chip generating both co-polarized and cross-polarized entangled photons. With recent progress on pump laser integration, our results pave the way for fully integrated entangled photon sources in the foreseeable future.

Paper Details

Date Published: 22 February 2018
PDF: 7 pages
Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470Q (22 February 2018); doi: 10.1117/12.2293208
Show Author Affiliations
Dongpeng Kang, Harbin Institute of Technology (China)
Nima Zareian, Univ. of Toronto (Canada)
Amr S. Helmy, Univ. of Toronto (Canada)


Published in SPIE Proceedings Vol. 10547:
Advances in Photonics of Quantum Computing, Memory, and Communication XI
Zameer Ul Hasan; Philip R. Hemmer; Alan E. Craig; Alan L. Migdall, Editor(s)

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