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SUPERGALAX SIGNED

Highly sensitive detection of single microwave photons with coherent quantum network of superconducting qubits for searching galactic axions

Total Cost €

EC-Contrib. €

Partnership

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SUPERGALAX project word cloud

Explore the words cloud of the SUPERGALAX project. It provides you a very rough idea of what is the project "SUPERGALAX" about.

off shows qubits signals metrology mode fabricate feasibility signal experiment limit photon radiation finaly fundamental antenna computing effect resonator single counting collective demolition axions explore radic networks whereby tested sensitive detector gradually standard ghz heisenberg ac dissipative types acquisition 1 amount entangled of interaction incoming photons measured resonance axion searches coherent employment transmons dynamics network dark energy conversion microwave experiments quantum sources superconducting proportional instead ranging character arrays flux occurring galactic detection distributed extremely complementary passive magnetic search progress intend exceed sensitivity stark interacting

Project "SUPERGALAX" data sheet

The following table provides information about the project.

Coordinator	CONSIGLIO NAZIONALE DELLE RICERCHE Organization address address: PIAZZALE ALDO MORO 7 city: ROMA postcode: 185 website: www.cnr.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Italy [IT]
Total cost	2˙456˙232 €
EC max contribution	2˙456˙232 € (100%)
Programme	1. H2020-EU.1.2.1. (FET Open)
Code Call	H2020-FETOPEN-2018-2019-2020-01
Funding Scheme	RIA
Starting year	2020
Duration (year-month-day)	from 2020-01-01 to 2022-12-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CONSIGLIO NAZIONALE DELLE RICERCHE CONSIGLIO NAZIONALE DELLE RICERCHE Organization address address: PIAZZALE ALDO MORO 7 city: ROMA postcode: 185 website: www.cnr.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (ROMA)	coordinator	424˙348.00
2	LOUGHBOROUGH UNIVERSITY LOUGHBOROUGH UNIVERSITY Organization address address: ASHBY ROAD city: LOUGHBOROUGH postcode: LE11 3TU website: www.lboro.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (LOUGHBOROUGH)	participant	386˙463.00
3	ISTITUTO NAZIONALE DI RICERCA METROLOGICA ISTITUTO NAZIONALE DI RICERCA METROLOGICA Organization address address: STRADA DELLE CACCE 91 city: TORINO postcode: 10135 website: www.inrim.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (TORINO)	participant	370˙000.00
4	LEIBNIZ-INSTITUT FUER PHOTONISCHE TECHNOLOGIEN E.V. LEIBNIZ-INSTITUT FUER PHOTONISCHE TECHNOLOGIEN E.V. Organization address address: Albert Einstein strasse 9 city: JENA postcode: 7745 website: www.ipht-jena.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (JENA)	participant	363˙500.00
5	KARLSRUHER INSTITUT FUER TECHNOLOGIE KARLSRUHER INSTITUT FUER TECHNOLOGIE Organization address address: KAISERSTRASSE 12 city: KARLSRUHE postcode: 76131 website: www.kit.edu contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (KARLSRUHE)	participant	348˙170.00
6	RUHR-UNIVERSITAET BOCHUM RUHR-UNIVERSITAET BOCHUM Organization address address: UNIVERSITAETSSTRASSE 150 city: BOCHUM postcode: 44801 website: www.rub.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (BOCHUM)	participant	337˙500.00
7	ISTITUTO NAZIONALE DI FISICA NUCLEARE ISTITUTO NAZIONALE DI FISICA NUCLEARE Organization address address: Via Enrico Fermi 54 city: FRASCATI postcode: 44 website: www.infn.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (FRASCATI)	participant	226˙250.00

Map

Project objective

Detection of single photons in the microwave range has a number of applications ranging from galactic dark matter axions searches to quantum computing and metrology. We propose a novel approach to acquisition of extremely low energy microwave signals (~1 GHz), based on the general concept of a passive quantum detection. For such highly sensitive detector (quantum antenna) the key novel concept we intend to use is the coherent quantum network composed of a large amount of strongly interacting superconducting qubits embedded in a low dissipative superconducting resonator. We will fabricate and explore the dynamics of coherent quantum networks based on two types of superconducting qubits: transmons and flux qubits. A spatially distributed network of superconducting qubits interacting off-resonance with the incoming radiation, shows the collective ac Stark effect that can be measured even in the limit of single photon counting. The interaction of the signal with the collective quantum states occurring in the network of superconducting qubits has the fundamental character of a quantum non-demolition measurement, whereby the quantum states of the signal and the collective states of qubits become gradually entangled. In particular, by employment of the network of large number of qubits (N) and utilization of a collective mode established in the network, we expect to exceed the standard quantum limit and reach the so-called Heisenberg limit of sensitivity which is proportional to 1/N instead of ~1/√N in case of N non directly interacting qubits. Assessment of the progress will be done by testing arrays with increasing number of superconducting qubits by using complementary experiments with different single photon sources. The feasibility of the superconducting network detector for galactic dark matter axions search will be finaly tested by axion conversion experiment in a magnetic field.

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