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Träfflista för sökning "L773:2331 7019 ;pers:(Tzalenchuk A.Y.)"

Sökning: L773:2331 7019 > Tzalenchuk A.Y.

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1.
  • Shaikhaidarov, R., et al. (författare)
  • Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector
  • 2016
  • Ingår i: Physical Review Applied. - 2331-7019. ; 5:2
  • Tidskriftsartikel (refereegranskat)abstract
    • We examine the application of Josephson radiation emitters to spectral calibration of single-photon-resolving detectors. Josephson junctions are patterned in a YBCO film on a bicrystal sapphire substrate and are voltage controlled to generate radiation in the frequency range of 0.05-1 THz. The detector used in this work consists of a gate-defined quantum-dot photon-to-charge transducer coupled to a single-electron transistor. Both the emitter and the detector are equipped with a matching on-chip wide-band antenna. The combination of a tuneable emitter and detector allows us to determine the efficacy of the YBCO emitter and also to analyze the elementary processes involved in the detection.
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2.
  • Wisby, I. S., et al. (författare)
  • Angle-Dependent Microresonator ESR Characterization of Locally Doped Gd3+:Al2O3
  • 2016
  • Ingår i: Physical Review Applied. - 2331-7019. ; 6:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Interfacing rare-earth-doped crystals with superconducting circuit architectures provides an attractive platform for quantum memory and transducer devices. Here, we present the detailed characterization of such a hybrid system: a locally implanted rare-earth Gd3+ in Al2O3 spin system coupled to a superconducting microresonator. We investigate the properties of the implanted spin system through angular-dependent microresonator electron spin resonance (micro-ESR) spectroscopy. We find, despite the high-energy near-surface implantation, the resulting micro-ESR spectra to be in excellent agreement with the modeled Hamiltonian, supporting the integration of dopant ions into their relevant lattice sites while maintaining crystalline symmetries. Furthermore, we observe clear contributions from individual microwave field components of our microresonator, emphasizing the need for controllable local implantation.
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  • Resultat 1-2 av 2

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