Pulsed HEMT LNA Operation for Qubit Readout
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| Název: | Pulsed HEMT LNA Operation for Qubit Readout |
|---|---|
| Autoři: | Zeng, Yin, 1996, Stenarson, Jörgen, 1972, Sobis, Peter, 1978, Grahn, Jan, 1962 |
| Zdroj: | IEEE Transactions on Microwave Theory and Techniques. In Press |
| Témata: | pulsed operation, Cryogenic, InP high-electron mobility transistor (HEMT), low power, qubit readout, low-noise amplifier (LNA) |
| Popis: | Large-scale qubit readout in quantum computing systems requires highly sensitive amplification with minimal power consumption to reduce the thermal load and preserve qubit integrity. We propose a pulse-operated cryogenic low-noise amplifier (LNA) scheme that minimizes the influence of the LNA on qubit operation and reduces power consumption by duty cycling. A modified commercially available cryogenic hybrid LNA based on InP high-electron mobility transistors (HEMTs) has been characterized to demonstrate the feasibility of pulsed operation for qubit readout. The transient noise and gain performance of the LNA were obtained through a cryogenic time domain noise measurement setup with 5-ns time resolution and a measured noise standard deviation (SD) below 0.3 K. The time-domain noise and gain performance of the LNA in response to a square gate voltage waveform were investigated. Through an analysis of the LNA’s recovery limitations, we developed a fast recovery bias strategy leading to the optimization of the gate voltage waveform using a genetic algorithm (GA). This resulted in a strong enhancement of transient noise and gain performance with a recovery time of 35 ns. The drain current transients were measured to calculate the average power consumption of the pulse-operated LNA, which confirmed a reduction in average power consumption proportional to the duty cycle. This work contributes to the development of high-performance and low-power amplifier solutions critical for large-scale qubit readout applications. |
| Popis souboru: | electronic |
| Přístupová URL adresa: | https://research.chalmers.se/publication/546166 https://research.chalmers.se/publication/546166/file/546166_Fulltext.pdf |
| Databáze: | SwePub |
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| Items | – Name: Title Label: Title Group: Ti Data: Pulsed HEMT LNA Operation for Qubit Readout – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zeng%2C+Yin%22">Zeng, Yin</searchLink>, 1996<br /><searchLink fieldCode="AR" term="%22Stenarson%2C+Jörgen%22">Stenarson, Jörgen</searchLink>, 1972<br /><searchLink fieldCode="AR" term="%22Sobis%2C+Peter%22">Sobis, Peter</searchLink>, 1978<br /><searchLink fieldCode="AR" term="%22Grahn%2C+Jan%22">Grahn, Jan</searchLink>, 1962 – Name: TitleSource Label: Source Group: Src Data: <i>IEEE Transactions on Microwave Theory and Techniques</i>. In Press – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22pulsed+operation%22">pulsed operation</searchLink><br /><searchLink fieldCode="DE" term="%22Cryogenic%22">Cryogenic</searchLink><br /><searchLink fieldCode="DE" term="%22InP+high-electron+mobility+transistor+%28HEMT%29%22">InP high-electron mobility transistor (HEMT)</searchLink><br /><searchLink fieldCode="DE" term="%22low+power%22">low power</searchLink><br /><searchLink fieldCode="DE" term="%22qubit+readout%22">qubit readout</searchLink><br /><searchLink fieldCode="DE" term="%22low-noise+amplifier+%28LNA%29%22">low-noise amplifier (LNA)</searchLink> – Name: Abstract Label: Description Group: Ab Data: Large-scale qubit readout in quantum computing systems requires highly sensitive amplification with minimal power consumption to reduce the thermal load and preserve qubit integrity. We propose a pulse-operated cryogenic low-noise amplifier (LNA) scheme that minimizes the influence of the LNA on qubit operation and reduces power consumption by duty cycling. A modified commercially available cryogenic hybrid LNA based on InP high-electron mobility transistors (HEMTs) has been characterized to demonstrate the feasibility of pulsed operation for qubit readout. The transient noise and gain performance of the LNA were obtained through a cryogenic time domain noise measurement setup with 5-ns time resolution and a measured noise standard deviation (SD) below 0.3 K. The time-domain noise and gain performance of the LNA in response to a square gate voltage waveform were investigated. Through an analysis of the LNA’s recovery limitations, we developed a fast recovery bias strategy leading to the optimization of the gate voltage waveform using a genetic algorithm (GA). This resulted in a strong enhancement of transient noise and gain performance with a recovery time of 35 ns. The drain current transients were measured to calculate the average power consumption of the pulse-operated LNA, which confirmed a reduction in average power consumption proportional to the duty cycle. This work contributes to the development of high-performance and low-power amplifier solutions critical for large-scale qubit readout applications. – Name: Format Label: File Description Group: SrcInfo Data: electronic – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/546166" linkWindow="_blank">https://research.chalmers.se/publication/546166</link><br /><link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/546166/file/546166_Fulltext.pdf" linkWindow="_blank">https://research.chalmers.se/publication/546166/file/546166_Fulltext.pdf</link> |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1109/TMTT.2025.3556982 Languages: – Text: English Subjects: – SubjectFull: pulsed operation Type: general – SubjectFull: Cryogenic Type: general – SubjectFull: InP high-electron mobility transistor (HEMT) Type: general – SubjectFull: low power Type: general – SubjectFull: qubit readout Type: general – SubjectFull: low-noise amplifier (LNA) Type: general Titles: – TitleFull: Pulsed HEMT LNA Operation for Qubit Readout Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zeng, Yin – PersonEntity: Name: NameFull: Stenarson, Jörgen – PersonEntity: Name: NameFull: Sobis, Peter – PersonEntity: Name: NameFull: Grahn, Jan IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00189480 – Type: issn-print Value: 15579670 – Type: issn-locals Value: SWEPUB_FREE – Type: issn-locals Value: CTH_SWEPUB Numbering: – Type: volume Value: In Press Titles: – TitleFull: IEEE Transactions on Microwave Theory and Techniques Type: main |
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