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Article

Microwave Photon Detectors Based on Semiconducting Double Quantum Dots

1
Istituto Nanoscienze-CNR, via Campi 213/a, 41125 Modena, Italy
2
Dipartimento di Scienze Fisiche, Informatiche e Matematiche, Università di Modena e Reggio Emilia, via Campi 213/a, 41125 Modena, Italy
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(14), 4010; https://doi.org/10.3390/s20144010
Received: 1 June 2020 / Revised: 1 July 2020 / Accepted: 15 July 2020 / Published: 19 July 2020
(This article belongs to the Special Issue Multipixels Single Photon Detectors for Quantum Applications)
Detectors of microwave photons find applications in different fields ranging from security to cosmology. Due to the intrinsic difficulties related to the detection of vanishingly small energy quanta ω , significant portions of the microwave electromagnetic spectrum are still uncovered by suitable techniques. No prevailing technology has clearly emerged yet, although different solutions have been tested in different contexts. Here, we focus on semiconductor quantum dots, which feature wide tunability by external gate voltages and scalability for large architectures. We discuss possible pathways for the development of microwave photon detectors based on photon-assisted tunneling in semiconducting double quantum dot circuits. In particular, we consider implementations based on either broadband transmission lines or resonant cavities, and we discuss how developments in charge sensing techniques and hybrid architectures may be beneficial for the development of efficient photon detectors in the microwave range. View Full-Text
Keywords: microwaves; photon detectors; quantum dot microwaves; photon detectors; quantum dot
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MDPI and ACS Style

Ghirri, A.; Cornia, S.; Affronte, M. Microwave Photon Detectors Based on Semiconducting Double Quantum Dots. Sensors 2020, 20, 4010. https://doi.org/10.3390/s20144010

AMA Style

Ghirri A, Cornia S, Affronte M. Microwave Photon Detectors Based on Semiconducting Double Quantum Dots. Sensors. 2020; 20(14):4010. https://doi.org/10.3390/s20144010

Chicago/Turabian Style

Ghirri, Alberto, Samuele Cornia, and Marco Affronte. 2020. "Microwave Photon Detectors Based on Semiconducting Double Quantum Dots" Sensors 20, no. 14: 4010. https://doi.org/10.3390/s20144010

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