Conference on Lasers and Electro-Optics

Silicon Photonics in Quantum Communications

Hiroki Takesue, K. Harada, Hiroshi Fukuda, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, 康弘都倉, Sei-ichi Itabashi

Published Jan 1, 2009• 1 citation

Abstract

Silicon photonics technologies are potentially useful in quantum information and communication experiments. This talk describes the first entangled photon-pair generation experiment to use a silicon wire waveguide, and discusses the application of silicon-based entanglement sources in quantum communication systems.

DOI: 10.1364/cleo.2009.cmaa1

Related papers

Entanglement generation using silicon wire waveguide

Hiroki Takesue

Thisd talk describes an entangled photon-pair generation experiment to use a silicon wire waveguide. The results of quantum communication experiments using the silicon-based entanglement sources are also provided.

IEEE/LEOS Summer Topical MeetingsJul 1, 20110 citations

Entanglement Generation Using Silicon Wire Waveguide

Hiroki Takesue, K. Harada, 康弘都倉 +5 more

Generating high-purity entangled photon pairs is an important step toward quantum information processing using photons.In this article, we describe the world's first ever experiment on generating entanglement using a spontaneous parametric process in a silicon wire waveguide.

NTT technical reviewFeb 1, 20101 citation

Silicon photonics quantum technologies

Jianwei Wang

On-chip generation, manipulation and detection quantum states of light with integrated photonic circuits opens the way to realizing complex quantum technologies for applications in the fields of computing, simulation and communication. In this talk we present recent progress in how to generate and control quantum entanglement with silicon quantum photonic devices for quantum information processing.

Quantum Computing, Communication, and SimulationMar 7, 20220 citations

Generation and manipulation of entangled photons on silicon chips

Nobuyuki Matsuda, Hiroki Takesue

Abstract Integrated quantum photonics is now seen as one of the promising approaches to realize scalable quantum information systems. With optical waveguides based on silicon photonics technologies, we can realize quantum optical circuits with a higher degree of integration than with silica waveguides. In addition, thanks to the large nonlinearity observed in silicon nanophotonic waveguides, we can implement active components such as entangled photon sources on a chip. In this paper, we report recent progress in integrated quantum photonic circuits based on silicon photonics. We review our work on correlated and entangled photon‐pair sources on silicon chips, using nanoscale silicon waveguides and silicon photonic crystal waveguides. We also describe an on‐chip quantum buffer realized using the slow‐light effect in a silicon photonic crystal waveguide. As an approach to combine the merits of different waveguide platforms, a hybrid quantum circuit that integrates a silicon‐based photon‐pair source and a silica‐based arrayed waveguide grating is also presented.

NanophotonicsJun 23, 201617 citations

Entangled Photon Pair Generation Using Silicon Wire Waveguides

Hiroki Takesue

Entangled photon pair generation is an important technology for realizing quantum information systems. Among various entangled photon pair sources, a source based on spontaneous four-wave mixing (SFWM) in a silicon wire waveguide (SWW) is now drawing attention. Thanks to the very large third-order nonlinearity in an SWW, we can realize highly efficient SFWM in a short ( ~ 1 cm) waveguide, which will possibly lead to an integrated entanglement source on a silicon chip. In this paper, we review recent progress on SWW-based entanglement sources. This study reviews the basic theory of SFWM, and then describes correlated and entangled photon generation experiments using SWWs and applications to quantum information experiments.

IEEE Journal of Selected Topics in Quantum ElectronicsApr 13, 201229 citations

Entanglement generation using silicon wire waveguide

Hiroki Takesue, Hiroshi Fukuda, Tai Tsuchizawa +4 more

We report the first entanglement generation experiments using silicon waveguide. Using highly efficient spontaneous four-wave mixing in a 1.09 cm long silicon nanowire waveguide at room temperature, we successfully generated high-purity time-bin and polarization entangled photon pairs in the 1.5 μm band. We expect this entanglement source will solve the problems of previous telecom-band entanglement sources.

Optics and SpectroscopyFeb 1, 20106 citations