Microwave band on-chip coil technique for single electron spin resonance in a quantum dot

Abstract

Microwave band on-chip microcoils are developed for the application to single electron spin resonance measurement with a single quantum dot. Basic properties such as characteristic impedance and electromagnetic field distribution are examined for various coil designs by means of experiment and simulation. The combined setup operates relevantly in the experiment at dilution temperature. The frequency responses of the return loss and Coulomb blockade current are examined. Capacitive coupling between a coil and a quantum dot causes photon assisted tunneling, whose signal can greatly overlap the electron spin resonance signal. To suppress the photon assisted tunneling effect, a technique for compensating for the microwave electric field is developed. Good performance of this technique is confirmed from measurement of Coulomb blockade oscillations.

7 pages, 8 figures, Accepted for publication in Rev. Sci. Instrum. The bibliography file is updated

References in corpus (5)

• Circuit Quantum Electrodynamics: Coherent Coupling of a Single Photon to a Cooper Pair Box
• Cavity quantum electrodynamics for superconducting electrical circuits: an architecture for quantum computation
• Electron transport through double quantum dots
• Driven coherent oscillations of a single electron spin in a quantum dot
• Zeeman energy and spin relaxation in a one-electron quantum dot

Cited by in corpus (5)

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• Cryogenic instrumentation for fast current measurement in a silicon single electron transistor