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Magnetoelasticity for Integration of...

Jung, Adi.

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Magnetoelasticity for Integration of Quantum Defects.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Magnetoelasticity for Integration of Quantum Defects./
作者:	Jung, Adi.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	87 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-09, Section: B.
Contained By:	Dissertations Abstracts International85-09B.
標題:	Electrical engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30818995
ISBN:	9798381744699

Magnetoelasticity for Integration of Quantum Defects.
Jung, Adi.

Magnetoelasticity for Integration of Quantum Defects. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 87 p.

Source: Dissertations Abstracts International, Volume: 85-09, Section: B.

Thesis (Ph.D.)--University of California, Berkeley, 2023.

Integration of atomic-defect spin qubits into memory or computing remains a challenging task due to a range of engineering problems, including microwave power delivery and material compatibility. While approaches exploiting spin-wave dipolar coupling have been explored in the past, they are reliant on Yttrium Iron Garnet (YIG), a model magnetic material which displays long spin coherence length, but cannot be integrated on-chip except under relatively restrictive conditions. Therefore, despite a growth in research interest in recent years, such hybrid quantum magnonic systems currently remain confined to laboratory conditions.In this thesis, I will present a method by which surface acoustic wave (SAW) driven magnetoelastic waves can be used as an effective near-field antenna for interfacing with spin qubits. Beginning with a set of experiments on resonant coupling of acoustic waves to magnetic dynamics, we will show that the magnetoelastic interaction acts as linear method of conversion of acoustic waves into magnetic dynamics at high microwave power levels. Following this, experimental results demonstrating a dipolar coupling to the nitrogen-vacancy center in diamond will be shown, along with a set of conditions under which this dipolar coupling is dominant over incoherent off-resonant coupling mechanisms. With these conditions identified, we implement them and demonstrate the phase-coherent coupling of acoustic waves to nitrogen-vacancy dynamics mediated by a magnetoelasticity in a ferromagnet. This approach is in theory applicable across a wide range of materials, and offers the capability to integrate atomic qubits in a more power efficient manner compatible with commercial nanofabrication.

ISBN: 9798381744699Subjects--Topical Terms:

649834
Electrical engineering.
Subjects--Index Terms:

Surface acoustic wave

Magnetoelasticity for Integration of Quantum Defects.
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653 $a Quantum information
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