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7 papers · 2 filters
Casimir Force and In Situ Surface Potential Measurements on Nanomembranes
Daniel Garcia-Sanchez, King Yan Fong, Harish Bhaskaran +2
We present Casimir force measurements in a sphere-plate configuration that consists of a high quality nanomembrane resonator and a millimeter sized gold coated sphere. The nanomemb…
Mediated gates between spin qubits
Jianjia Fei, Dong Zhou, Yun-Pil Shim +3
In a typical quantum circuit, nonlocal quantum gates are applied to nonproximal qubits. If the underlying physical interactions are short-range (e.g., exchange interactions between…
Photon Shot Noise Dephasing in the Strong-Dispersive Limit of Circuit QED
A. P. Sears, A. Petrenko, G. Catelani +7
We study the photon shot noise dephasing of a superconducting transmon qubit in the strong-dispersive limit, due to the coupling of the qubit to its readout cavity. As each random…
Quantum Logic between Remote Quantum Registers
Norman Y. Yao, Zhe-Xuan Gong, Chris R. Laumann +5
We analyze two approaches to quantum state transfer in solid-state spin systems. First, we consider unpolarized spin-chains and extend previous analysis to various experimentally r…
Quantum teleportation using active feed-forward between two Canary Islands
Xiao-song Ma, Thomas Herbst, Thomas Scheidl +11
Quantum teleportation [1] is a quintessential prerequisite of many quantum information processing protocols [2-4]. By using quantum teleportation, one can circumvent the no-cloning…
Deterministic protocol for mapping a qubit to coherent state superpositions in a cavity
Zaki Leghtas, Gerhard Kirchmair, Brian Vlastakis +3
We introduce a new gate that transfers an arbitrary state of a qubit into a superposition of two quasi-orthogonal coherent states of a cavity mode, with opposite phases. This qcMAP…