IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v4y2013i1d10.1038_ncomms3725.html
   My bibliography  Save this article

An on-chip coupled resonator optical waveguide single-photon buffer

Author

Listed:
  • Hiroki Takesue

    (NTT Basic Research Laboratories, NTT Corporation)

  • Nobuyuki Matsuda

    (NTT Basic Research Laboratories, NTT Corporation
    Nanophotonics Center, NTT Corporation)

  • Eiichi Kuramochi

    (NTT Basic Research Laboratories, NTT Corporation
    Nanophotonics Center, NTT Corporation)

  • William J. Munro

    (NTT Basic Research Laboratories, NTT Corporation)

  • Masaya Notomi

    (NTT Basic Research Laboratories, NTT Corporation
    Nanophotonics Center, NTT Corporation)

Abstract

Integrated quantum optical circuits are now seen as one of the most promising approaches with which to realize single-photon quantum information processing. Many of the core elements for such circuits have been realized, including sources, gates and detectors. However, a significant missing function necessary for photonic quantum information processing on-chip is a buffer, where single photons are stored for a short period of time to facilitate circuit synchronization. Here we report an on-chip single-photon buffer based on coupled resonator optical waveguides (CROW) consisting of 400 high-Q photonic crystal line-defect nanocavities. By using the CROW, a pulsed single photon is successfully buffered for 150 ps with 50-ps tunability while maintaining its non-classical properties. Furthermore, we show that our buffer preserves entanglement by storing and retrieving one photon from a time-bin entangled state. This is a significant step towards an all-optical integrated quantum information processor.

Suggested Citation

  • Hiroki Takesue & Nobuyuki Matsuda & Eiichi Kuramochi & William J. Munro & Masaya Notomi, 2013. "An on-chip coupled resonator optical waveguide single-photon buffer," Nature Communications, Nature, vol. 4(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3725
    DOI: 10.1038/ncomms3725
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/ncomms3725
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/ncomms3725?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3725. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.