Cooling high motional states in ion trap quantum computers

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12265433
APP PUB NO 20210406756A1
SERIAL NO

17357323

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Abstract

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Aspects of the present disclosure describe techniques for cooling motional states in an ion trap for quantum computers. In an aspect, a method includes performing Doppler cooling and sideband cooling to sweep motional states associated with a motional mode to a zero motional state; applying a gate interaction on a red sideband; detecting, a population of non-zero motional states of the motional mode that remains after performing the Doppler cooling and the sideband cooling; and removing at least part of the population. In another aspect, a method includes performing a Doppler cooling; applying a gate interaction on a red sideband; detecting whether a population of non-zero motional states of the motional mode remains after performing the Doppler cooling; and redistributing the population of the non-zero motional states by Doppler cooling when a population is detected. A quantum information processing (QIP) system that performs these methods is also described.

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Patent Owner(s)

Patent OwnerAddress
IONQ INC4505 CAMPUS DRIVE COLLEGE PARK MD 20740

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amini, Jason Madjdi Takoma Park, US 27 39
Beck, Kristin Marie College Park, US 5 11
Wright, Kenneth Berwyn Heights, US 58 443

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