78 citations · 391 across the 21 of their papers we have counts for
22 papers
PPVM: A Circuit Simulation Framework for Digital Twins of Quantum Processors
Xiu-Zhe Luo, David Plankensteiner, Kai-Hsin Wu +12
Quantum computers are approaching the early fault-tolerant regime. Verifying the next generation of quantum hardware requires joint emulation of the quantum processor, hardware noi…
Multi-FPGA Synchronization and Data Communication for Quantum Control and Measurement
Yilun Xu, Neel R. Vora, Abhi D. Rajagopala +4
Quantum computing has grown from novel physics experiments with a few qubits controlled by a single controller to systems with qubit counts that require multiple controllers workin…
Hardware-Assisted Parameterized Circuit Execution
Abhi D. Rajagopala, Akel Hashim, Neelay Fruitwala +6
Standard compilers for quantum circuits decompose arbitrary single-qubit gates into a sequence of physical X(pi/2) pulses and virtual-Z phase gates. Consequently, many circuit clas…
Hardware-Efficient Randomized Compiling
Neelay Fruitwala, Akel Hashim, Abhi D. Rajagopala +7
Randomized compiling (RC) is an efficient method for tailoring arbitrary Markovian errors into stochastic Pauli channels. However, the standard procedure for implementing the proto…
ML-Powered FPGA-based Real-Time Quantum State Discrimination Enabling Mid-circuit Measurements
Neel R. Vora, Yilun Xu, Akel Hashim +12
Accurate and timely quantum state discrimination is critical for quantum computing, particularly in protocols requiring mid-circuit measurement (MCM) and conditional feed-forward.…
Distributed Architecture for FPGA-based Superconducting Qubit Control
Neelay Fruitwala, Gang Huang, Yilun Xu +6
Quantum circuits utilizing real time feedback techniques (such as active reset and mid-circuit measurement) are a powerful tool for NISQ-era quantum computing. Such techniques are…
Efficient Generation of Multi-partite Entanglement between Non-local Superconducting Qubits using Classical Feedback
Akel Hashim, Ming Yuan, Pranav Gokhale +8
Quantum entanglement is one of the primary features which distinguishes quantum computers from classical computers. In gate-based quantum computing, the creation of entangled state…
An Open-Source Data Storage and Visualization Platform for Collaborative Qubit Control
Devanshu Brahmbhatt, Yilun Xu, Neel Vora +5
Developing collaborative research platforms for quantum bit control is crucial for driving innovation in the field, as they enable the exchange of ideas, data, and implementation t…
Quasi-Probabilistic Readout Correction of Mid-Circuit Measurements for Adaptive Feedback via Measurement Randomized Compiling
Akel Hashim, Arnaud Carignan-Dugas, Larry Chen +6
Quantum measurements are a fundamental component of quantum computing. However, on modern-day quantum computers, measurements can be more error prone than quantum gates, and are su…
QubiC 2.0: An Extensible Open-Source Qubit Control System Capable of Mid-Circuit Measurement and Feed-Forward
Yilun Xu, Gang Huang, Neelay Fruitwala +5
Researchers manipulate and measure quantum processing units via the classical electronics control system. We developed an open-source FPGA-based quantum bit control system called Q…
SCExAO and Keck Direct Imaging Discovery of a Low-Mass Companion Around the Accelerating F5 Star HIP 5319
Noah Swimmer, Thayne Currie, Sarah Steiger +26
We present the direct imaging discovery of a low-mass companion to the nearby accelerating F star, HIP 5319, using SCExAO coupled with the CHARIS, VAMPIRES, and MEC instruments in…
End-to-end Deep Learning Pipeline for Microwave Kinetic Inductance Detector (MKID) Resonator Identification and Tuning
Neelay Fruitwala, Alex B Walter, John I Bailey +2
We present the development of a machine learning based pipeline to fully automate the calibration of the frequency comb used to read out optical/IR Microwave Kinetic Inductance Det…
SCExAO/MEC and CHARIS Discovery of a Low Mass, 6 AU-Separation Companion to HIP 109427 using Stochastic Speckle Discrimination and High-Contrast Spectroscopy
Sarah Steiger, Thayne Currie, Timothy D. Brandt +28
We report the direct imaging discovery of a low-mass companion to the nearby accelerating A star, HIP 109427, with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrum…
Second Generation Readout For Large Format Photon Counting Microwave Kinetic Inductance Detectors
Neelay Fruitwala, Paschal Strader, Gustavo Cancelo +10
We present the development of a second generation digital readout system for photon counting microwave kinetic inductance detector (MKID) arrays operating in the optical and near-I…
The MKID Exoplanet Camera for Subaru SCExAO
Alexander B. Walter, Neelay Fruitwala, Sarah Steiger +21
We present the MKID Exoplanet Camera (MEC), a z through J band (800 - 1400 nm) integral field spectrograph located behind The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO)…
First Principle Simulator of a Stochastically Varying Image Plane for Photon-Counting High Contrast Applications
R. H. Dodkins, K. Davis, B. Lewis +6
Optical and near-infrared Microwave Kinetic Inductance Detectors, or MKIDs, are low-temperature detectors with inherent spectral resolution that are able to instantly register indi…
Flexible Coaxial Ribbon Cable for High-Density Superconducting Microwave Device Arrays
Jennifer Pearl Smith, Benjamin A. Mazin, Alex B. Walter +8
Superconducting electronics often require high-density microwave interconnects capable of transporting signals between temperature stages with minimal loss, cross talk, and heat co…
Design and Performance of Hafnium Optical and Near-IR Kinetic Inductance Detectors
Nicholas Zobrist, Grégoire Coiffard, Bruce Bumble +9
We report on the design and performance of Microwave Kinetic Inductance Detectors (MKIDs) sensitive to single photons in the optical to near-infrared range using hafnium as the sen…
Optical and Near-IR Microwave Kinetic Inductance Detectors (MKIDs) in the 2020s
Benjamin A. Mazin, Jeb Bailey, Jo Bartlett +22
Optical and near-IR Microwave Kinetic Inductance Detectors, or MKIDs, are superconducting photon counting detectors capable of measuring the energy and arrival time of individual O…
Wide-band Parametric Amplifier Readout and Resolution of Optical Microwave Kinetic Inductance Detectors
Nicholas Zobrist, Byeong Ho Eom, Peter Day +9
The energy resolution of a single photon counting Microwave Kinetic Inductance Detector (MKID) can be degraded by noise coming from the primary low temperature amplifier in the det…
DARKNESS: A Microwave Kinetic Inductance Detector Integral Field Spectrograph for High-Contrast Astronomy
Seth R. Meeker, Benjamin A. Mazin, Alex B. Walter +21
We present DARKNESS (the DARK-speckle Near-infrared Energy-resolving Superconducting Spectrophotometer), the first of several planned integral field spectrographs to use optical/ne…
Large-format platinum silicide microwave kinetic inductance detectors for optical to near-IR astronomy
P. Szypryt, S. R. Meeker, G. Coiffard +10
We have fabricated and characterized 10,000 and 20,440 pixel Microwave Kinetic Inductance Detector (MKID) arrays for the Dark-speckle Near-IR Energy-resolved Superconducting Spectr…