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Development of a Silicon Semiconduct...

Henry, Edward Trowbridge.

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Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout./
Author:	Henry, Edward Trowbridge.
Description:	129 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.
Contained By:	Dissertation Abstracts International75-08B(E).
Subject:	Nanotechnology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3616620
ISBN:	9781303835148

Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout.
Henry, Edward Trowbridge.

Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout. - 129 p.

Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.

Thesis (Ph.D.)--University of California, Berkeley, 2013.

This item must not be sold to any third party vendors.

Semiconductor quantum dots in silicon demonstrate exceptionally long spin lifetimes as qubits and are therefore promising candidates for quantum information processing. However, control and readout techniques for these devices have thus far employed low frequency electrons, in contrast to high speed temperature readout techniques used in other qubit architectures, and coupling between multiple quantum dot qubits has not been satisfactorily addressed.

ISBN: 9781303835148Subjects--Topical Terms:

526235
Nanotechnology.

Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout.
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020 $a 9781303835148
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035 $a AAI3616620
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100 1 $a Henry, Edward Trowbridge. $3 3175405
245 1 0 $a Development of a Silicon Semiconductor Quantum Dot Qubit with Dispersive Microwave Readout.
300 $a 129 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.
500 $a Adviser: Irfan Siddiqi.
502 $a Thesis (Ph.D.)--University of California, Berkeley, 2013.
506 $a This item must not be sold to any third party vendors.
520 $a Semiconductor quantum dots in silicon demonstrate exceptionally long spin lifetimes as qubits and are therefore promising candidates for quantum information processing. However, control and readout techniques for these devices have thus far employed low frequency electrons, in contrast to high speed temperature readout techniques used in other qubit architectures, and coupling between multiple quantum dot qubits has not been satisfactorily addressed.
520 $a This dissertation presents the design and characterization of a semiconductor charge qubit based on double quantum dot in silicon with an integrated microwave resonator for control and readout. The 6 GHz resonator is designed to achieve strong coupling with the quantum dot qubit, allowing the use of circuit QED control and readout techniques which have not previously been applicable to semiconductor qubits. To achieve this coupling, this document demonstrates successful operation of a novel silicon double quantum dot design with a single active metallic layer and a coplanar stripline resonator with a bias tee for dc excitation.
520 $a Experiments presented here demonstrate quantum localization and measurement of both electrons on the quantum dot and photons in the resonator. Further, it is shown that the resonator-qubit coupling in these devices is sufficient to reach the strong coupling regime of circuit QED. The details of a measurement setup capable of performing simultaneous low noise measurements of the resonator and quantum dot structure are also presented here.
520 $a The ultimate aim of this research is to integrate the long coherence times observed in electron spins in silicon with the sophisticated readout architectures available in circuit QED based quantum information systems. This would allow superconducting qubits to be coupled directly to semiconductor qubits to create hybrid quantum systems with separate quantum memory and processing components.
590 $a School code: 0028.
650 4 $a Nanotechnology. $3 526235
650 4 $a Quantum physics. $3 726746
690 $a 0652
690 $a 0599
710 2 $a University of California, Berkeley. $b Physics. $3 1671059
773 0 $t Dissertation Abstracts International $g 75-08B(E).
790 $a 0028
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3616620