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Featured researches published by K. Serniak.


Physical review applied | 2016

Planar multilayer circuit quantum electrodynamics

Zlatko Minev; K. Serniak; Ioan M. Pop; Zaki Leghtas; Katrina Sliwa; M. Hatridge; Luigi Frunzio; R. J. Schoelkopf; Michel H. Devoret

Experimental quantum information processing with superconducting circuits is rapidly advancing, driven by innovation in two classes of devices, one involving planar micro-fabricated (2D) resonators, and the other involving machined three-dimensional (3D) cavities. We demonstrate that circuit quantum electrodynamics can be implemented in a multilayer superconducting structure that combines 2D and 3D advantages. We employ standard micro-fabrication techniques to pattern each layer, and rely on a vacuum gap between the layers to store the electromagnetic energy. Planar qubits are lithographically defined as an aperture in a conducting boundary of the resonators. We demonstrate the aperture concept by implementing an integrated, two cavity-modes, one transmon-qubit system.


Physical Review Letters | 2018

Hot Nonequilibrium Quasiparticles in Transmon Qubits

K. Serniak; M. Hays; G.J. de Lange; S. Diamond; S. Shankar; Luke Burkhart; Luigi Frunzio; Manuel Houzet; Michel H. Devoret


arXiv: Superconductivity | 2017

Direct microwave measurement of Andreev-bound-state dynamics in a proximitized semiconducting nanowire

M. Hays; G. de Lange; K. Serniak; D. J. van Woerkom; Daniël Bouman; Peter Krogstrup; Jesper Nygård; Attila Geresdi; Michel H. Devoret


Physical review applied | 2018

Driving Forbidden Transitions in the Fluxonium Artificial Atom

U. Vool; A. Kou; W.C. Smith; N. E. Frattini; K. Serniak; Philip Reinhold; I.M. Pop; S. Shankar; Luigi Frunzio; S. M. Girvin; Michel H. Devoret


Physical Review Letters | 2018

Direct Microwave Measurement of Andreev-Bound-State Dynamics in a Semiconductor-Nanowire Josephson Junction

M. Hays; G.J. de Lange; K. Serniak; D.J. van Woerkom; Daniël Bouman; Peter Krogstrup; Jesper Nygård; Attila Geresdi; Michel H. Devoret


Archive | 2018

Techniques for coupling plannar qubits to non-planar resonators and related systems and methods

Zlatko Minev; K. Serniak; Loan Pop; Yiwen Chu; T. Brecht; Luigi Frunzio; Michel H. Devoret; Iii Robert J. Schoelkope


Bulletin of the American Physical Society | 2018

Probing non-equilibrium quasiparticle dynamics in transmon qubits: Part 1

K. Serniak; Max Hays; Gijs de Lange; S. Shankar; Spencer Diamond; U. Vool; Luke Burkhart; I.M. Pop; Luigi Frunzio; R. J. Schoelkopf; Manuel Houzet; Leonid I. Glazman; Michel H. Devoret


Bulletin of the American Physical Society | 2018

Superconducting circuit with charge-parity protection: Theory

Xu Xiao; Clarke Smith; Angela Kou; Ioannis Tsioutsios; U. Vool; Jayameenakshi Venkatraman; K. Serniak; S. Shankar; Michel H. Devoret


Bulletin of the American Physical Society | 2017

Andreev bound states in a semiconducting nanowire Josephson junction, Part II: Quantum jumps and Fermion parity switching

M. Hays; G.J. de Lange; K. Serniak; D.J. van Woerkom; J.I. V{ "a}yrynen; B. van Heck; U. Vool; Peter Krogstrup; J. Nyg aa rd; Luigi Frunzio; Attila Geresdi; Leonid I. Glazman; Michel H. Devoret


Bulletin of the American Physical Society | 2017

Andreev bound states in a semiconducting nanowire Josephson junction, Part I: Detection and manipulation of an Andreev qubit

G.J. de Lange; M. Hays; K. Serniak; D.J. van Woerkom; J.I. V{ "a}yrynen; B. van Heck; U. Vool; Peter Krogstrup; J. Nyg aa rd; Luigi Frunzio; Attila Geresdi; Leonid I. Glazman; Michel H. Devoret

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I.M. Pop

Karlsruhe Institute of Technology

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