superconducting circuit


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superconducting circuit

[¦sü·pər·kən′dəkt·iŋ ′sər·kət]
(cryogenics)
An electric circuit having elements which are in a superconducting state at least part of the time, such as a cryotron.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

superconducting circuit

An electronic circuit that operates in sub-zero temperatures. See superconductor and Josephson junction.
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"We'd like to pattern these single photon emitters into circuits or networks on a microchip so they can talk to each other, or to other existing qubits, like solid-state spins or superconducting circuit qubits."
The qubits in a superconducting circuit are also easier to manipulate and less delicate than individual photons or ions.
Scientists at the National Institute of Standards and Technology's Quantum Information Program in Boulder, Colo., have developed what they call a dimmer switch for a superconducting circuit that links a quantum bit--called a qubit--and a quantum bus.
Scientists at UC Santa Barbara have devised a new type of superconducting circuit that behaves quantum mechanically--but has up to five levels of energy instead of the usual two.
The researchers took a microscopic mechanical aluminum drum - diameter of 20 micrometers and thickness of 100 nanometers - and put it in a superconducting circuit, which itself was placed inside an electromagnetic cavity.
For all their sparkle, diamonds aren't the only way to bling out a superconducting circuit with prewrapped qubits.
This technique is based on a superconducting circuit that siphons away "hot" electrons and replaces them with "cold" ones.
The first steps for solving this issue have been made in 1995, when scientists have laid the foundations for a technology based on a trapped ion system [10] and afterwards, in 1999, for a technology employing superconducting circuits [11].

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