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Blueprint for quantum computing using electrons on helium
Erika Kawakami, Jiabao Chen, Mónica Benito +1
We present a blueprint for building a fault-tolerant quantum computer using the spin states of electrons on the surface of liquid helium. We propose to use ferromagnetic micropilla…
Relaxation of the Excited Rydberg States of Surface Electrons on Liquid Helium
Erika Kawakami, Asem Elarabi, Denis Konstantinov
We report the first direct observation of the decay of the excited-state population in electrons trapped on the surface of liquid helium. The relaxation dynamics, which are governe…
Image-charge detection of the Rydberg states of surface electrons on liquid helium
Erika Kawakami, Asem Elarabi, Denis Konstantinov
We propose and experimentally demonstrate a new spectroscopic method, image-charge detection, for the Rydberg states of surface electrons on liquid helium. The excitation of the Ry…
A programmable two-qubit quantum processor in silicon
T. F. Watson, S. G. J. Philips, E. Kawakami +9
With qubit measurement and control fidelities above the threshold of fault-tolerance, much attention is moving towards the daunting task of scaling up the number of physical qubits…
Valley dependent anisotropic spin splitting in silicon quantum dots
Rifat Ferdous, Erika Kawakami, Pasquale Scarlino +9
Spin qubits hosted in silicon (Si) quantum dots (QD) are attractive due to their exceptionally long coherence times and compatibility with the silicon transistor platform. To achie…
Dressed photon-orbital states in a quantum dot: Inter-valley spin resonance
P. Scarlino, E. Kawakami, T. Jullien +7
The valley degree of freedom is intrinsic to spin qubits in Si/SiGe quantum dots. It has been viewed alternately as a hazard, especially when the lowest valley-orbit splitting is s…