High-extinction ratio integrated photonic filters for silicon quantum photonics

Mateusz Piekarek*, Damien Bonneau, Shigehito Miki, Taro Yamashita, Mikio Fujiwara, Masahide Sasaki, Hirotaka Terai, Michael G. Tanner, Chandra M. Natarajan, Robert H. Hadfield, Jeremy L. O'Brien, Mark G. Thompson

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

91 Citations (Scopus)
428 Downloads (Pure)

Abstract

We present the generation of quantum-correlated photon pairs and subsequent pump rejection across two silicon-on-insulator photonic integrated circuits. Incoherently cascaded lattice filters are used to provide over 100 dB pass-band to stop-band contrast with no additional external filtering. Photon pairs generated in a microring resonator are successfully separated from the input pump, confirmed by temporal correlations measurements.

Original languageEnglish
Pages (from-to)815-818
Number of pages4
JournalOptics Letters
Volume42
Issue number4
Early online date13 Feb 2017
DOIs
Publication statusPublished - 15 Feb 2017

Research Groups and Themes

  • Bristol Quantum Information Institute
  • QETLabs

Keywords

  • Photonics and Opto-Electronics
  • Quantum information and processing
  • Wavelength filtering devices

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  • Quantum Optics for Integrated Photonic Technologies

    Rarity, J. G. (Principal Investigator)

    16/06/1415/06/19

    Project: Research

  • Programme Grant: Engineering Photonic Quantum Technologies.

    Rarity, J. G. (Principal Investigator), O'Brien, J. L. (Principal Investigator), Thompson, M. G. (Co-Investigator), Erven, C. (Co-Investigator), Sahin, D. (Co-Investigator), Marshall, G. D. (Researcher), Barreto, J. (Co-Investigator), Jiang, P. (Collaborator), McCutcheon, W. D. (Researcher), Silverstone, J. W. (Researcher), Sinclair, G. F. (Researcher), Kling, L. (Engineer), Banerjee, A. (Researcher), Wang, J. (Researcher), Santagati, R. (Researcher), Borghi, M. (Researcher), Woodland, E. M. (Manager), Mawdsley, H. C. M. (Administrator) & Faruque, I. I. (Researcher)

    16/06/1415/06/19

    Project: Research, Parent

  • Lithium niobate quantum waveguide circuits

    O'Brien, J. L. (Principal Investigator)

    1/06/1231/05/16

    Project: Research

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