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Proceedings Paper

Quantum dots in photonic crystals for integrated quantum photonics
Author(s): Je-Hyung Kim; Christopher J. K. Richardson; Richard P. Leavitt; Edo Waks
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Paper Abstract

Integrated quantum photonic technologies hold a great promise for application in quantum information processing. A major challenge is to integrate multiple single photon sources on a chip. Quantum dots are bright sources of high purity single photons, and photonic crystals can provide efficient photonic platforms for generating and manipulating single photons from integrated quantum dots. However, integrating multiple quantum dots with photonic crystal devices still remains as a challenging task due to the spectral randomness of the emitters. Here, we present the integration of multiple quantum dots with individual photonic crystal cavities and report quantum interference from chip-integrated multiple quantum dots. To solve the problem of spectral randomness, we introduce local engineering techniques for tuning multiple quantum dots and cavities. From integrated quantum dot devices we observe indistinguishable nature of single photons from individual quantum dots on the same chip. Therefore, our approach paves the way for large-scale quantum photonics with integrated quantum emitters.

Paper Details

Date Published: 28 August 2017
PDF: 6 pages
Proc. SPIE 10345, Active Photonic Platforms IX, 1034526 (28 August 2017); doi: 10.1117/12.2269172
Show Author Affiliations
Je-Hyung Kim, Univ. of Maryland, College Park (United States)
Ulsan National Institute of Science and Technology (Korea, Republic of)
Christopher J. K. Richardson, Univ. of Maryland, College Park (United States)
Richard P. Leavitt, Lab. for Physical Sciences (United States)
Edo Waks, Univ. of Maryland, College Park (United States)
Joint Quantum Institute, Univ. of Maryland and the National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 10345:
Active Photonic Platforms IX
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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