2026-09-19T10:46:53Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1475182023-01-20T03:30:38Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
O’Brien, Kevin
Yen, Alec
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2023-01-19T19:55:42Z
2023-01-19T19:55:42Z
2022-09
2022-10-19T18:59:18.561Z
https://hdl.handle.net/1721.1/147518
This thesis proposes a method to suppress Purcell decay for fast, modular, and hardware-efficient quantum measurement that we call an “interference” Purcell filter. Superconducting qubits experience many decay channels, one of which is Purcell decay, or leakage of the qubit state into the readout line. The proposed work suppresses Purcell decay by coupling the readout resonator at two points on the readout line to create a destructive interference effect, enabling a small and space-efficient footprint. The Purcell suppression is compatible with large resonator decay rates, making it a suitable design as quantum error correction schemes move toward faster readout. Unlike many existing methods to suppress Purcell decay, the proposed design does not require an “open” or weakly-coupled port, the removal of which would improve modularity and expedite the design of many-qubit systems.
S.M.
Massachusetts Institute of Technology
In Copyright - Educational Use Permitted
Copyright MIT
http://rightsstatements.org/page/InC-EDU/1.0/
Interference Purcell Filter for Fast, Modular, and Hardware-Efficient Quantum Measurement
Thesis
application/pdf
Master
Master of Science in Electrical Engineering and Computer Science
Publication
unknown
unknown
<Publication xmlns="https://www.openaire.eu/cerif-profile/1.1/" id="8d60fbf7-5178-4e51-a06b-32724ef9a35c">
<Type xmlns="https://www.openaire.eu/cerif-profile/vocab/COAR_Publication_Types">http://purl.org/coar/resource_type/c_1843</Type>
<Title>Interference Purcell Filter for Fast, Modular, and Hardware-Efficient Quantum Measurement</Title>
<PublishedIn>
<Publication>
</Publication>
</PublishedIn>
<PublicationDate>2022-09</PublicationDate>
<Authors>
<Author>
<DisplayName>Yen, Alec</DisplayName>
<Affiliation>
<OrgUnit>
</OrgUnit>
</Affiliation>
</Author>
</Authors>
<Editors>
</Editors>
<Publishers>
<Publisher>
<DisplayName>Massachusetts Institute of Technology</DisplayName>
<OrgUnit />
</Publisher>
</Publishers>
<License>http://rightsstatements.org/page/InC-EDU/1.0/</License>
<Abstract>This thesis proposes a method to suppress Purcell decay for fast, modular, and hardware-efficient quantum measurement that we call an “interference” Purcell filter. Superconducting qubits experience many decay channels, one of which is Purcell decay, or leakage of the qubit state into the readout line. The proposed work suppresses Purcell decay by coupling the readout resonator at two points on the readout line to create a destructive interference effect, enabling a small and space-efficient footprint. The Purcell suppression is compatible with large resonator decay rates, making it a suitable design as quantum error correction schemes move toward faster readout. Unlike many existing methods to suppress Purcell decay, the proposed design does not require an “open” or weakly-coupled port, the removal of which would improve modularity and expedite the design of many-qubit systems.</Abstract>
<Access xmlns="http://purl.org/coar/access_right"
>
</Access>
</Publication>