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2016 Fiscal Year Final Research Report

Realization of boson sampling using photons

Research Project

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Project/Area Number 25707034
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypePartial Multi-year Fund
Research Field Atomic/Molecular/Quantum electronics
Research InstitutionKyoto University (2014-2016)
Hokkaido University (2013)

Principal Investigator

Okamoto Ryo  京都大学, 工学(系)研究科(研究院), 准教授 (10435951)

Project Period (FY) 2013-04-01 – 2017-03-31
Keywords量子情報処理 / 量子干渉 / 単一光子源 / 量子ゲート
Outline of Final Research Achievements

Toward the realization of multi-photon boson sampling, we studied on the improvement of the fundamental technologies, such as single photon source, quantum interference and photon detection, and also investigated the development of a serial type boson sampling system. As the result, first we realized a hybrid heralded single photon source combining multiplexing method and photon pair number discrimination and furthermore we also succeeded in observing quantum interference between photons emitted from the photon source. We also realized a quantum controlled SWAP gate which may be available for the advanced active control of the optical path of photons.

Free Research Field

量子光学

URL: 

Published: 2018-03-22  

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