M. Spiropulu
YOU?
Author Swipe
View article: Towards High-Efficiency Particle Detection Using Superconducting Microwire Arrays
Towards High-Efficiency Particle Detection Using Superconducting Microwire Arrays Open
We present a detailed study of an 8-channel $1\times1$ mm$^{2}$ WSi superconducting microwire single photon detector (SMSPD) array exposed to 120 GeV hadron beam and 120 GeV muon beam at the CERN Super Proton Synchrotron H6 beamline. Follo…
View article: Optimal filtering and generation of entangled photons for quantum applications in the presence of noise
Optimal filtering and generation of entangled photons for quantum applications in the presence of noise Open
Filtering is commonly used in quantum optics to reject noise photons, and also to enable interference between independent photons. However, filtering the joint spectrum of photon pairs can reduce the inherent coincidence probability or los…
View article: RINO: Renormalization Group Invariance with No Labels
RINO: Renormalization Group Invariance with No Labels Open
A common challenge with supervised machine learning (ML) in high energy physics (HEP) is the reliance on simulations for labeled data, which can often mismodel the underlying collision or detector response. To help mitigate this problem of…
View article: Fast jet tagging with MLP-Mixers on FPGAs
Fast jet tagging with MLP-Mixers on FPGAs Open
We explore the innovative use of MLP-Mixer models for real-time jet tagging and establish their feasibility on resource-constrained hardware like FPGAs. MLP-Mixers excel in processing sequences of jet constituents, achieving state-of-the-a…
View article: da4ml: Distributed Arithmetic for Real-time Neural Networks on FPGAs
da4ml: Distributed Arithmetic for Real-time Neural Networks on FPGAs Open
Neural networks with a latency requirement on the order of microseconds, like the ones used at the CERN Large Hadron Collider, are typically deployed on FPGAs fully unrolled and pipelined. A bottleneck for the deployment of such neural net…
View article: Entanglement swapping systems toward a quantum internet
Entanglement swapping systems toward a quantum internet Open
We demonstrate conditional entanglement swapping, i.e. teleportation of entanglement, between time-bin qubits at the telecommunication wavelength of 1536.4 nm with high fidelity of 87\%. Our system is deployable, utilizing modular, off-the…
View article: Fast Jet Tagging with MLP-Mixers on FPGAs
Fast Jet Tagging with MLP-Mixers on FPGAs Open
We explore the innovative use of MLP-Mixer models for real-time jet tagging and establish their feasibility on resource-constrained hardware like FPGAs. MLP-Mixers excel in processing sequences of jet constituents, achieving state-of-the-a…
View article: High energy particle detection with large area superconducting microwire array
High energy particle detection with large area superconducting microwire array Open
We present the first detailed study of an 8-channel 2×2 mm 2 WSi superconducting microwire single photon detector (SMSPD) array exposed to 120 GeV proton beam and 8 GeV electron and pion beam at the Fermilab Test Beam Facility. The SMSPD d…
View article: Variational autoencoders for new physics mining at the Large Hadron Collider
Variational autoencoders for new physics mining at the Large Hadron Collider Open
Using variational autoencoders trained on known physics processes, we develop a one-sided threshold test to isolate previously unseen processes as outlier events. Since the autoencoder training does not depend on any specific new physics s…
View article: High Energy Particle Detection with Large Area Superconducting Microwire Array
High Energy Particle Detection with Large Area Superconducting Microwire Array Open
We present the first detailed study of an 8-channel $2\times2$ mm$^{2}$ WSi superconducting microwire single photon detector (SMSPD) array exposed to 120 GeV proton beam and 8 GeV electron and pion beam at the Fermilab Test Beam Facility. …
View article: Free-space quantum information platform on a chip
Free-space quantum information platform on a chip Open
Emerging technologies that employ quantum physics offer fundamental enhancements in information processing tasks, including sensing, communications, and computing. Here, we introduce the quantum phased array, which generalizes the operatin…
View article: Long-range wormhole teleportation
Long-range wormhole teleportation Open
We extend the protocol of Gao and Jafferis [1] to allow wormhole teleportation between two entangled copies of the Sachdev-Ye-Kitaev (SYK) model [2, 3] communicating only through a classical channel. We demonstrate in finite N simulations …
View article: HGQ: High Granularity Quantization for Real-time Neural Networks on FPGAs
HGQ: High Granularity Quantization for Real-time Neural Networks on FPGAs Open
Neural networks with sub-microsecond inference latency are required by many critical applications. Targeting such applications deployed on FPGAs, we present High Granularity Quantization (HGQ), a quantization-aware training framework that …
View article: Feasibility of Hybrid Electro- and Acousto-Dynamical Systems for Quantum Optical Networks
Feasibility of Hybrid Electro- and Acousto-Dynamical Systems for Quantum Optical Networks Open
We present results on an exploratory research program that aims to study the feasibility of novel, sustained, dense, and efficient quantum information generation, storage, retrieval, relay and distribution devices and systems towards futur…
View article: High-rate multiplexed entanglement source based on time-bin qubits for advanced quantum networks
High-rate multiplexed entanglement source based on time-bin qubits for advanced quantum networks Open
Entanglement distribution based on time-bin qubits is an attractive option for emerging quantum networks. We demonstrate a 4.09-GHz repetition rate source of photon pairs entangled across early and late time bins separated by 80 ps. Simult…
View article: Fast Particle-based Anomaly Detection Algorithm with Variational Autoencoder
Fast Particle-based Anomaly Detection Algorithm with Variational Autoencoder Open
Model-agnostic anomaly detection is one of the promising approaches in the search for new beyond the standard model physics. In this paper, we present Set-VAE, a particle-based variational autoencoder (VAE) anomaly detection algorithm. We …
View article: Efficient and Robust Jet Tagging at the LHC with Knowledge Distillation
Efficient and Robust Jet Tagging at the LHC with Knowledge Distillation Open
The challenging environment of real-time data processing systems at the Large Hadron Collider (LHC) strictly limits the computational complexity of algorithms that can be deployed. For deep learning models, this implies that only models wi…
View article: Quantum Sensors for High Energy Physics
Quantum Sensors for High Energy Physics Open
Strong motivation for investing in quantum sensing arises from the need to investigate phenomena that are very weakly coupled to the matter and fields well described by the Standard Model. These can be related to the problems of dark matte…
View article: Experimental high-dimensional entanglement certification and quantum steering with time-energy measurements
Experimental high-dimensional entanglement certification and quantum steering with time-energy measurements Open
High-dimensional entanglement provides unique ways of transcending the limitations of current approaches in quantum information processing, quantum communications based on qubits. The generation of time-frequency qudit states offer signifi…
View article: High-rate multiplexed entanglement source based on time-bin qubits for advanced quantum networks
High-rate multiplexed entanglement source based on time-bin qubits for advanced quantum networks Open
Entanglement distribution based on time-bin qubits is an attractive option for emerging quantum networks. We demonstrate a 4.09 GHz repetition rate source of photon pairs entangled across early and late time bins separated by 80 ps. Simult…
View article: High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb
High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb Open
High-dimensional quantum entanglement is a cornerstone for advanced technology enabling large-scale noise-tolerant quantum systems, fault-tolerant quantum computing, and distributed quantum networks. The recently developed biphoton frequen…
View article: High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb
High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb Open
High-dimensional quantum entanglement is a cornerstone for advanced technology enabling large-scale noise-tolerant quantum systems, fault-tolerant quantum computing, and distributed quantum networks. The recently developed biphoton frequen…
View article: Entangled Photon Pair Source Demonstrator Using the Quantum Instrumentation Control Kit System
Entangled Photon Pair Source Demonstrator Using the Quantum Instrumentation Control Kit System Open
We report the first demonstration of using the Quantum Instrumentation and Control Kit (QICK) system on RFSoCFPGA technology to drive an entangled photon pair source and to detect the photon signals. With the QICK system, we achieve high l…
View article: Comment on "Comment on "Traversable wormhole dynamics on a quantum processor" "
Comment on "Comment on "Traversable wormhole dynamics on a quantum processor" " Open
We observe that the comment of [1, arXiv:2302.07897] is consistent with [2] on key points: i) the microscopic mechanism of the experimentally observed teleportation is size winding and ii) the system thermalizes and scrambles at the time o…
View article: Large active-area superconducting microwire detector array with single-photon sensitivity in the near-infrared
Large active-area superconducting microwire detector array with single-photon sensitivity in the near-infrared Open
Superconducting nanowire single photon detectors (SNSPDs) are the highest-performing technology for time-resolved single-photon counting from the UV to the near-infrared. The recent discovery of single-photon sensitivity in micrometer-scal…
View article: Comment on "Comment on "Traversable wormhole dynamics on a quantum processor" "
Comment on "Comment on "Traversable wormhole dynamics on a quantum processor" " Open
We observe that the comment of [1, arXiv:2302.07897] is consistent with [2] on key points: i) the microscopic mechanism of the experimentally observed teleportation is size winding and ii) the system thermalizes and scrambles at the time o…
View article: Large active-area superconducting microwire detector array with single-photon sensitivity in the near-infrared
Large active-area superconducting microwire detector array with single-photon sensitivity in the near-infrared Open
Superconducting nanowire single photon detectors (SNSPDs) are the highest-performing technology for time-resolved single-photon counting from the UV to the near-infrared. The recent discovery of single-photon sensitivity in micrometer-scal…
View article: Graph Neural Network for Object Reconstruction in Liquid Argon Time Projection Chambers
Graph Neural Network for Object Reconstruction in Liquid Argon Time Projection Chambers Open
The Exa.TrkX project presents a graph neural network (GNN) technique for low-level reconstruction of neutrino interactions in a Liquid Argon Time Projection Chamber (LArTPC). GNNs are still a relatively novel technique, and have shown grea…