Optimizing microwave photodetection: input-output theory

doi:10.1088/2058-9565/aaa7f7

2018-03-05

DOI：10.1088/2058-9565/aaa7f7

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摘要

En 中文

High fidelity microwave photon counting is an important tool for various areas from background radiation analysis in astronomy to the implementation of circuit quantum electrodynamic architectures for the realization of a scalable quantum information processor. In this work we describe a microwave photon counter coupled to a semi-infinite transmission line. We employ input-output theory to examine a continuously driven transmission line as well as traveling photon wave packets. Using analytic and numerical methods, we calculate the conditions on the system parameters necessary to optimize measurement and achieve high detection efficiency. With this we can derive a general matching condition depending on the different system rates, under which the measurement process is optimal.

Keyword:

microwave photon detection

superconducting qubits

quantum information

microwave engineering

Josephson photomultiplier

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Quantum Science and Technology

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1.4K

被引数:

5.1K

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University of Wisconsin System

学者数:

6.7W

论文数: 5.8W

被引数: 382

Saarland University

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8.7K

论文数: 6.8K

被引数: 1.3W

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