activity
20202026
most citedSearching for Dark Matter with a Superconducting Qubit

186 citations · 356 across the 9 of their papers we have counts for

collaborators

9 papers

quant-ph2026

A digitally controlled silicon quantum processing unit

Members of the HRL Quantum Team, Collaborators, : +255

Commercially-relevant quantum computers will require large numbers of high-performing qubits that can be manufactured, integrated, and controlled at scale. Silicon exchange-only (E…

quant-ph2025

Efficient quantum tomography of a polynomial subspace

Yat Wong, Ming Yuan, Kevin He +4

Quantum tomography is crucial for characterizing the quantum states of multipartite systems, but its practicality is often limited by the exponentially large dimension of the Hilbe…

quant-ph2024

Niobium coaxial cavities with internal quality factors exceeding 1.5 billion for circuit quantum electrodynamics

Andrew E. Oriani, Fang Zhao, Tanay Roy +6

Group-V materials such as niobium and tantalum have become popular choices for extending the performance of circuit quantum electrodynamics (cQED) platforms allowing for quantum pr…

quant-ph2023

Efficient multimode Wigner tomography

Kevin He, Ming Yuan, Yat Wong +4

Advancements in quantum system lifetimes and control have enabled the creation of increasingly complex quantum states, such as those on multiple bosonic cavity modes. When characte…

quant-ph2023★ 24 cited

Stimulated emission of signal photons from dark matter waves

Ankur Agrawal, Akash V. Dixit, Tanay Roy +5

The manipulation of quantum states of light has resulted in significant advancements in both dark matter searches and gravitational wave detectors [1-4]. Current dark matter search…

quant-ph2023★ 1 cited

Direct Collocation for Quantum Optimal Control

Aaron Trowbridge, Aditya Bhardwaj, Kevin He +2

We present an adaptation of direct collocation -- a trajectory optimization method commonly used in robotics and aerospace applications -- to quantum optimal control (QOC); we refe…

quant-ph2020★ 75 cited

Seamless high-Q microwave cavities for multimode circuit QED

Srivatsan Chakram, Andrew E. Oriani, Ravi K. Naik +5

Multimode cavity quantum electrodynamics ---where a two-level system interacts simultaneously with many cavity modes---provides a versatile framework for quantum information proces…

quant-ph2020★ 70 cited

Multimode photon blockade

Srivatsan Chakram, Kevin He, Akash V. Dixit +7

Interactions are essential for the creation of correlated quantum many-body states. While two-body interactions underlie most natural phenomena, three- and four-body interactions a…

hep-ex2020★ 186 cited

Searching for Dark Matter with a Superconducting Qubit

Akash V. Dixit, Srivatsan Chakram, Kevin He +4

Detection mechanisms for low mass bosonic dark matter candidates, such the axion or hidden photon, leverage potential interactions with electromagnetic fields, whereby the dark mat…