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Reducing the losses of the fluxonium...

Masluk, Nicholas Adam.

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Reducing the losses of the fluxonium artificial atom.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Reducing the losses of the fluxonium artificial atom./
Author:	Masluk, Nicholas Adam.
Description:	186 p.
Notes:	Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.
Contained By:	Dissertation Abstracts International74-11B(E).
Subject:	Physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3572040
ISBN:	9781303299544

Reducing the losses of the fluxonium artificial atom.
Masluk, Nicholas Adam.

Reducing the losses of the fluxonium artificial atom. - 186 p.

Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.

Thesis (Ph.D.)--Yale University, 2013.

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

Fluxonium is a highly anharmonic artificial atom, which makes use of an array of large Josephson junctions to shunt the junction of a Cooper-pair box for protection from charge noise. At microwave frequencies the array forms a "superinductance", a superconducting inductance whose impedance exceeds the resistance quantum h/(2e) 2&sime; 6.5 kOhm. The first excited state transition frequency is widely tunable with flux, covering more than five octaves, yet the second excited state remains well within one octave. This unique spectrum permits a dispersive readout over the entire flux tunable range, in contrast to the flux qubit.

ISBN: 9781303299544Subjects--Topical Terms:

516296
Physics.

Reducing the losses of the fluxonium artificial atom.
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020 $a 9781303299544
035 $a (MiAaPQ)AAI3572040
035 $a AAI3572040
040 $a MiAaPQ $c MiAaPQ
100 1 $a Masluk, Nicholas Adam. $3 3173882
245 1 0 $a Reducing the losses of the fluxonium artificial atom.
300 $a 186 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.
500 $a Adviser: Michael H. Devoret.
502 $a Thesis (Ph.D.)--Yale University, 2013.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Fluxonium is a highly anharmonic artificial atom, which makes use of an array of large Josephson junctions to shunt the junction of a Cooper-pair box for protection from charge noise. At microwave frequencies the array forms a "superinductance", a superconducting inductance whose impedance exceeds the resistance quantum h/(2e) 2&sime; 6.5 kOhm. The first excited state transition frequency is widely tunable with flux, covering more than five octaves, yet the second excited state remains well within one octave. This unique spectrum permits a dispersive readout over the entire flux tunable range, in contrast to the flux qubit.
520 $a By measuring the energy relaxation time of the qubit over the full range of flux dependent transition energies, it is possible to determine the dominant loss mechanisms, and therefore implement design changes to reduce their contribution. The losses in several fluxonium samples are explored, with progressive improvements made towards reducing capacitive loss, the dominant loss mechanism. Additionally, the detailed characterization of Josephson junction array superinductances is examined.
590 $a School code: 0265.
650 4 $a Physics. $3 516296
650 4 $a Atomic physics. $3 3173870
690 $a 0605
690 $a 0748
710 2 $a Yale University. $b Physics. $3 2101654
773 0 $t Dissertation Abstracts International $g 74-11B(E).
790 $a 0265
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3572040