84 citations · 179 across the 12 of their papers we have counts for
13 papers
Quantum jumps of sound
Takuma Makihara, Erik Szakiel, Matthew P. Maksymowych +7
Quantum mechanics predicts that a vibrating object's energy comes in discrete packets, yet no measurement of its position reveals this discreteness. Resolving individual energy lev…
Millisecond phonon lifetimes in piezoelectric nanomechanical resonators
Oliver A. Hitchcock, Matthew P. Maksymowych, Kaveh Pezeshki +5
Piezoelectric nanomechanical resonators operating at gigahertz frequencies are a promising platform for quantum information processing and precision sensing, but phonon lifetimes h…
Surface and Bulk Two-Level System Losses in Lithium Niobate Acoustic Resonators
Rachel G. Gruenke-Freudenstein, Erik Szakiel, Gitanjali P. Multani +7
Lithium niobate (LN) is a promising material for building acoustic resonators used in quantum applications, but its performance is limited by poorly understood material defects cal…
Proposal for Superconducting Quantum Networks Using Multi-Octave Transduction to Lower Frequencies
Takuma Makihara, Wentao Jiang, Amir H. Safavi-Naeini
We propose networking superconducting quantum circuits by transducing their excitations (typically 4-8 GHz) to 100-500 MHz photons for transmission via cryogenic coaxial cables. Co…
A parametrically programmable delay line for microwave photons
Takuma Makihara, Nathan Lee, Yudan Guo +2
Delay lines that store quantum information are crucial for advancing quantum repeaters and hardware efficient quantum computers. Traditionally, they are realized as extended system…
Flexible Integration of Gigahertz Nanomechanical Resonators with a Superconducting Microwave Resonator using a Bonded Flip-Chip Method
Sultan Malik, Wentao Jiang, Felix M. Mayor +2
We demonstrate strong coupling of gigahertz-frequency nanomechanical resonators to a frequency-tunable superconducting microwave resonator via a galvanically bonded flip-chip metho…
Strong dispersive coupling between a mechanical resonator and a fluxonium superconducting qubit
Nathan R. A. Lee, Yudan Guo, Agnetta Y. Cleland +10
We demonstrate strong dispersive coupling between a fluxonium superconducting qubit and a 690 megahertz mechanical oscillator, extending the reach of circuit quantum acousto-dynami…
Magnetically Tuned Continuous Transition from Weak to Strong Coupling in Terahertz Magnon Polaritons
Andrey Baydin, Kenji Hayashida, Takuma Makihara +11
Depending on the relative rates of coupling and dissipation, a light-matter coupled system is either in the weak- or strong-coupling regime. Here, we present a unique system where…
Analysis of arbitrary superconducting quantum circuits accompanied by a Python package: SQcircuit
Taha Rajabzadeh, Zhaoyou Wang, Nathan Lee +3
Superconducting quantum circuits are a promising hardware platform for realizing a fault-tolerant quantum computer. Accelerating progress in this field of research demands general…
Giant Terahertz Polarization Rotation in Ultrathin Films of Aligned Carbon Nanotubes
Andrey Baydin, Natsumi Komatsu, Fuyang Tay +4
For facile manipulation of polarization states of light for applications in communications, imaging, and information processing, an efficient mechanism is desired for rotating ligh…
Perfect Intrinsic Squeezing at the Superradiant Phase Transition Critical Point
Kenji Hayashida, Takuma Makihara, Nicolas Marquez Peraca +4
The ground state of the photon-matter coupled system described by the Dicke model is found to be perfectly squeezed at the quantum critical point of the superradiant phase transiti…
Time-Domain Terahertz Spectroscopy in High Magnetic Fields
Andrey Baydin, Takuma Makihara, Nicolas Marquez Peraca +1
There are a variety of elementary and collective terahertz-frequency excitations in condensed matter whose magnetic field dependence contains significant insight into the states an…
Ultrastrong Magnon-Magnon Coupling Dominated by Antiresonant Interactions
Takuma Makihara, Kenji Hayashida, G. Timothy Noe +13
Exotic quantum vacuum phenomena are predicted in cavity quantum electrodynamics (QED) systems with ultrastrong light-matter interactions. Their ground states are predicted to be va…