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2014 Fiscal Year Final Research Report

Quantum information processing using superconducting qubits

Research Project

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Project/Area Number 22224007
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Research Field Atomic/Molecular/Quantum electronics
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

NORI FRANCO  独立行政法人理化学研究所, 創発物性科学研究センター, グループディレクター (50415262)

Co-Investigator(Kenkyū-buntansha) MARUYAMA Koji  RIKEN, Asi, Researcher (00425646)
SAHEL Ashhab  RIKEN, Cems, Researcher (40469903)
Co-Investigator(Renkei-kenkyūsha) LAMBERT Neill  RIKEN, Cems, Researcher (80525915)
BLIOKH Konstantin  RIKEN, Cems, Researcher (00724840)
JOHANSSON Robert  RIKEN, iTHES, Researcher (10596597)
CUI Wei  RIKEN, Cems, Researcher (30625653)
ISHIDA Natsuko  RIKEN, Cems, Researcher (90708520)
Project Period (FY) 2010-04-01 – 2015-03-31
KeywordsArtificial Atoms / Quantum nano-devices / Superconducting qubits / Inter-disciplinary / Heterogeneous / Hysbrid quantum circuits / Computational studies
Outline of Final Research Achievements

We studied superconducting (SC) qubits as “Artifical Atoms” and asked similar questions researchers have asked for natural atoms (including how these “giant atoms” interact with light, transmission lines, electro-magnetic resonators, mechanical resonators, etc.). We theoretically studied the interdisciplinary field involving quantum optics, atomic physics, condensed matter physics, nanoscience, and computer science. These types of problems include how photons interact with qubits, lasing phenomena using superconducting qubits; single-photon generators; photon-number control (Fock state generation); coupling qubits by a resonator; coupling resonators by a qubit; and also quantum measurements. This is a growing interdisciplinary area of research. We obtained many interesting results, which were featured in top physics journals.

Free Research Field

理論物理学

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Published: 2016-06-03   Modified: 2021-04-07  

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