22 February 2018 Generating entangled photons on monolithic chips
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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.
Conference Presentation
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Dongpeng Kang, Dongpeng Kang, Nima Zareian, Nima Zareian, Amr S. Helmy, Amr S. Helmy, } "Generating entangled photons on monolithic chips", Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470Q (22 February 2018); doi: 10.1117/12.2293208; https://doi.org/10.1117/12.2293208
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