43CAQIP

High fidelity quantum gates with trapped 43Ca+ ions

Coordinatore	OESTERREICHISCHE AKADEMIE DER WISSENSCHAFTEN    more  Organization address address: DR. IGNAZ SEIPEL-PLATZ 2 city: WIEN postcode: 1010 contact info Titolo: Ms. Nome: Elisabeth Cognome: Huck Email: send email Telefono: -5075170 Fax: -5080284
Nazionalità Coordinatore	Austria [AT]
Totale costo	159˙615 €
EC contributo	159˙615 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2007-2-1-IEF
Funding Scheme	MC-IEF
Anno di inizio	2008
Periodo (anno-mese-giorno)	2008-04-01   -   2010-03-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	OESTERREICHISCHE AKADEMIE DER WISSENSCHAFTEN  Organization address address: DR. IGNAZ SEIPEL-PLATZ 2 city: WIEN postcode: 1010 contact info Titolo: Ms. Nome: Elisabeth Cognome: Huck Email: send email Telefono: -5075170 Fax: -5080284	AT (WIEN)	coordinator	0.00

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 Obiettivo del progetto (Objective)

'We propose to create high fidelity quantum gates using qubits encoded in the hyperfine states of 43Ca trapped in a linear Paul trap. The use of magnetic field insensitive (m=0) states drastically decreases decoherence due to stray magnetic fields. We will investigate a number of entangling gates and set up simple error correction schemes. In particular, we plan to implement a number of quantum gates that rely on collective laser excitation of the ions. For this 43Ca offers the opportunity to use the narrow line width S-D quadrupole transition. This will make it possible to implement the collective laser excitation gate using magnetic field insensitive states, while greatly reducing decoherence due to spontaneous decay. These new types of quantum gates will be studied in this project in addition to quantum gate operations relying on Raman interactions mediated by a dipole transition. We expect the proposed research will provide an important step towards more demanding quantum computation. The fellowship will help to strengthen QIP research in the European Union while supplying ample opportunity for career development for the fellow.'