Search Results - "GRAJCAR, M"

Dressed-state amplification by a single superconducting qubit by Oelsner, G, Macha, P, Astafiev, O V, Il'ichev, E, Grajcar, M, Hübner, U, Ivanov, B I, Neilinger, P, Meyer, H-G

“…We demonstrate amplification of a microwave signal by a strongly driven two-level system in a coplanar waveguide resonator. The effect, similar to the…”
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Sisyphus cooling and amplification by a superconducting qubit by Grajcar, M, van der Ploeg, S. H. W, Izmalkov, A, Il'ichev, E, Meyer, H.-G, Fedorov, A, Shnirman, A, Schön, Gerd

“…Laser cooling of atoms paved the way for remarkable achievements in quantum optics, including Bose-Einstein condensation and trapping in optical lattices…”
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Detecting virtual photons in ultrastrongly coupled superconducting quantum circuits by Giannelli, L., Paladino, E., Grajcar, M., Paraoanu, G. S., Falci, G.

“…Light-matter interaction and understanding the fundamental physics behind is essential for emerging quantum technologies. Solid-state devices may explore new…”
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Josephson weak link based on proximity effect in long bi-metallic thin-film bridge by Turutanov, O. G., Sivakov, A. G., Pokhila, A. S., Grajcar, M.

“…We prepared a bi-metal Sn/Al thin film bridge of 1 × 5 µm2 in size and exposed it to microwave irradiation in a frequency range of 7 to 40 GHz to explore the…”
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Finite quasiparticle lifetime in disordered superconductors by Žemlička, M., Neilinger, P., Trgala, M., Rehák, M., Manca, D., Grajcar, M., Szabó, P., Samuely, P., Gaži, Š., Hübner, U., Vinokur, V. M., Il'ichev, E.

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Controllable coupling of superconducting flux qubits by van der Ploeg, S H W, Izmalkov, A, van den Brink, Alec Maassen, Hübner, U, Grajcar, M, Il'ichev, E, Meyer, H-G, Zagoskin, A M

“…We have realized controllable coupling between two three-junction flux qubits by inserting an additional coupler loop between them, containing three Josephson…”
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Consistency of ground state and spectroscopic measurements on flux qubits by Izmalkov, A, van der Ploeg, S H W, Shevchenko, S N, Grajcar, M, Il'ichev, E, Hübner, U, Omelyanchouk, A N, Meyer, H-G

“…We compare the results of ground state and spectroscopic measurements carried out on superconducting flux qubits which are effective two-level quantum systems…”
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Lower limit on the achievable temperature in resonator-based sideband cooling by Grajcar, M., Ashhab, S., Johansson, J. R., Nori, Franco

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High Q value Quartz Tuning Fork in Vacuum as a Potential Thermometer in Millikelvin Temperature Range by Človečko, M., Grajcar, M., Kupka, M., Neilinger, P., Rehák, M., Skyba, P., Vavrek, F.

“…The results of a newly developed pulse-demodulation (P-D) technique introduced to determine the resonant characteristics of a high Q value quartz tuning forks…”
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Parametric amplification by coupled flux qubits by Rehák, M., Neilinger, P., Grajcar, M., Oelsner, G., Hübner, U., Il'ichev, E., Meyer, H.-G.

“…We report parametric amplification of a microwave signal in a Kerr medium formed from superconducting qubits. Two mutually coupled flux qubits, embedded in the…”
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Evidence for entangled states of two coupled flux qubits by Izmalkov, A, Grajcar, M, Il'ichev, E, Wagner, Th, Meyer, H-G, Smirnov, A Yu, Amin, M H S, van den Brink, Alec Maassen, Zagoskin, A M

“…We have studied the low-frequency magnetic susceptibility of two inductively coupled flux qubits using the impedance measurement technique (IMT), through their…”
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Continuous monitoring of Rabi oscillations in a Josephson flux qubit by Il'ichev, E, Oukhanski, N, Izmalkov, A, Wagner, Th, Grajcar, M, Meyer, H-G, Smirnov, A Yu, Maassen van den Brink, Alec, Amin, M H S, Zagoskin, A M

“…Under resonant irradiation, a quantum system can undergo coherent (Rabi) oscillations in time. We report evidence for such oscillations in a continuously…”
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Possible implementation of adiabatic quantum algorithm with superconducting flux qubits by Grajcar, M., Izmalkov, A., Il’ichev, E.

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Superconducting MoC thin films with enhanced sheet resistance by TRGALA, M, ZEMLICKA, M, GRAJCAR, M, NEILINGER, P, REHAK, M, LEPORIS, M, GAZI, S, GREGUS, J, PLECENIK, T, ROCH, T, DOBROCKA, E

“…In this paper we describe a process of MoC superconducting thin films preparation by reactive magnetron sputtering in argon-acetylene atmosphere. The…”
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A microwave cryogenic low-noise amplifier based on sige heterostructures by Ivanov, B. I., Grajcar, M., Novikov, I. L., Vostretsov, A. G., Il’ichev, E.

“…A low-noise cryogenic amplifier for the measurement of weak microwave signals at sub-Kelvin temperatures is constructed. The amplifier has five stages based on…”
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Superconducting properties of magnesium diboride thin film measured by using coplanar waveguide resonator by ZEMLICKA, M, NEILINGER, P, TRGALA, M, GREGOR, M, PLECENIK, T, DURINA, P, GRAJCAR, M

“…In this paper we demonstrate the superconducting properties of MgB2 coplanar waveguide resonator patterned from 300nm thin film fabricated by vapor deposition…”
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Experimental system design for the integration of trapped-ion and superconducting qubit systems by De Motte, D., Grounds, A. R., Rehák, M., Rodriguez Blanco, A., Lekitsch, B., Giri, G. S., Neilinger, P., Oelsner, G., Il’ichev, E., Grajcar, M., Hensinger, W. K.

“…We present a design for the experimental integration of ion trapping and superconducting qubit systems as a step towards the realization of a quantum hybrid…”
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Four-qubit device with mixed couplings by Grajcar, M, Izmalkov, A, van der Ploeg, S H W, Linzen, S, Plecenik, T, Wagner, Th, Hübner, U, Il'ichev, E, Meyer, H-G, Smirnov, A Yu, Love, Peter J, Maassen van den Brink, Alec, Amin, M H S, Uchaikin, S, Zagoskin, A M

“…We present the first experimental results on a device with more than two superconducting qubits. The circuit consists of four three-junction flux qubits, with…”
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Cryogenic low noise 2.2―3 GHz amplifier by NEILINGER, P, TRGALA, M, GRAJCAR, M

“…A simple design of one stage, low power cryogenic amplifier at 2.2-3 GHz range is presented. The design was numerically simulated by freely available microwave…”
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Direct Josephson coupling between superconducting flux qubits by Grajcar, M., Izmalkov, A., van der Ploeg, S. H. W., Linzen, S., Il’ichev, E., Wagner, Th, Hübner, U., Meyer, H.-G., Maassen van den Brink, Alec, Uchaikin, S., Zagoskin, A. M.

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