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quant-ph2022
Maxwell-Schrödinger Modeling of Superconducting Qubits Coupled to Transmission Line Networks
Thomas E. Roth, Samuel T. Elkin
In superconducting circuit quantum information technologies, classical microwave pulses are applied to control and measure the qubit states. Currently, the design of these microwav…
physics.optics2022
Quantum-Plasmonic Dynamics Modeled via a Modified Langevin Noise Formalism: Numerical Studies of Single-Photon Emission and Two-Photon Interference
Jisang Seo, Hyunwoo Choi, Thomas E Roth +3
Recent studies have established and rigorously validated a modified Langevin noise formalism that enables first-principles quantization of electromagnetic fields in open and dissip…
quant-ph2022
Full-Wave Methodology to Compute the Spontaneous Emission Rate of a Transmon Qubit
Thomas E. Roth, Weng C. Chew
The spontaneous emission rate (SER) is an important figure of merit for any quantum bit (qubit), as it can play a significant role in the control and decoherence of the qubit. As a…