Quantum non-demolition detection of single microwave photons in a circuit

By Blake R. Johnson, M. Reed, Andrew Houck, David Schuster, Lev S. Bishop, E. Ginossar, Jay M. Gambetta, Leonardo DiCarlo, Luigi Frunzio, Steven M. Girvin and 1 more. 2010

236 citations recorded by the source corpus.

Quantum non-demolition (QND) measurements interrogate a quantum state without disturbing it. A QND scheme that uses a superconducting circuit to investigate microwave photons trapped in a cavity is now shown. The measurement answers the question: are there exactly N photons in the cavity?

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/e24eb034edfdb63ac15cb42abdeb33073c2e0fc9

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In Artificial Intelligence

In Atomic and Molecular Physics, and Optics

Citations in the corpus

Atomic physics and quantum optics using superconducting circuits (2011, background): “Recently, rapid adiabatic passage was achieved for the tranfer of a single photon in a superconducting circuit [70].”
Circuit quantum electrodynamics (2020, methodology): “Using different modes of the same resonator (Leek et al., 2010), or combinations of resonators (Johnson et al., 2010; Kirchmair et al., 2013), both regimes of high and low external losses can also be combined in the same circuit QED device.”
Leggett–Garg inequalities (2013, background): “The first is to construct a dichotomic measurement using dispersive coupling to a qubit [42, 171].”
Circuit QED: Superconducting Qubits Coupled to Microwave Photons (2015, background): “In this regime one can easily resolve the different spectral peaks of the qubit corresponding to the different possible integer number of photons in the cavity (Schuster et al., 2007a; Johnson et al., 2010; Paik et al., 2011; Sears et al., 2012).”
Efficient Multiphoton Sampling of Molecular Vibronic Spectra on a Superconducting Bosonic Processor (2019, background): “quantum states of light in superconducting circuits [7,8].”
Microwave photonics with superconducting quantum circuits (2017, methodology): “In SQCs, a QND measurement is usually performed using either a dispersive coupling between a qubit and a cavity field [5, 95] or the coupling between a qubit and a nonlinear resonator [96–99].”
Low-Disorder Microwave Cavity Lattices for Quantum Simulation with Photons (2012, background): “[53]; the difficulty now is getting it working on a movable probe.”