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Projects

Lightning & TGF Research

TGFs & Lightning Dynamics

Telescope Array · Loyola University Chicago
qNoise — Quantum Noise Characterization

qNoise

Quantum Hardware Noise · IBM Quantum
Lightning animation

Terrestrial Gamma-ray Flashes & Lightning Dynamics

Mulcahy Fellowship — Loyola University Chicago · Advisor: Dr. Rasha Abbasi · Telescope Array Collaboration

Terrestrial Gamma-ray Flashes (TGFs) are brief, intense bursts of gamma radiation originating within thunderstorms, believed to be produced by Relativistic Runaway Electron Avalanches (RREA) during lightning leader propagation. This research examines connections between TGFs and lightning processes using a multi-instrument detection system in Delta, Utah.

Detection Instruments

  • VHF Interferometry (INTF) — Lightning channel imaging
  • Fast Antenna (FA) — Electric field measurements
  • Surface Detectors (TASD) — 507-detector gamma-ray array
  • High-speed Photometry — Multi-channel optical measurements at 337nm, 391nm, 777nm
  • Spectroscopy — Wavelength-resolved lightning emissions

My Contribution

My primary contribution is the Loyola Lightning Machine, a multi-instrument desktop GUI built in Python and tkinter that unifies all five instrument streams into a single analysis environment. Before this tool existed, each instrument's data was processed separately with one-off scripts and manual re-calibration for every event. The GUI standardizes data loading, time alignment, and calibration across instruments, and embeds interactive matplotlib plots directly into each analysis tab.

Beyond software, I am involved in the physical data collection and upkeep of the detection station in Delta, Utah. This includes travel to the site during storm season, instrument maintenance, and ensuring the system is operational before and during events. Data from the 2024 and 2025 storm seasons forms the basis of the current analysis.

View the full project page →

qNoise dashboard

qNoise — Quantum Hardware Noise Characterization

Independent Project · IBM Quantum (ibm_fez, 156-qubit Heron processor) · Targeting Infleqtion / Superstaq

View the live qNoise dashboard →

I had a general interest in Quantum Computing for a while, and decided to make a small scale self-project to learn about the available infrastructure, have experience developing some code, and better my understanding of QC fundamentals. I developed a semi-automated pipeline to characterize noise on real quantum hardware and benchmark quantum compilation strategies. Every data point was measured on IBM's ibm_fez superconducting processor. The question I'm trying to answer: does Infleqtion's Superstaq compiler create circuits that perform better on noisy hardware than Qiskit's default optimizer?

What It Measures

  • T1 (Energy Relaxation) — How long a qubit holds the |1⟩ state before decaying
  • T2 (Coherence, Hahn Echo) — How long a qubit maintains quantum superposition
  • Readout Error — Measurement confusion matrix for each qubit
  • Compilation Fidelity — Hellinger fidelity of Qiskit vs Superstaq compiled circuits on real hardware

Key Finding

Qubit noise properties drift significantly over hours. T1 values ranged from 23 to 266 µs across runs, and qubit rankings flipped entirely within 2.5 hours. In compilation benchmarks, Superstaq achieved higher fidelity on QFT circuits despite deeper compiled depth, by minimizing two-qubit gate count, the dominant error source on superconducting hardware.

Python 3.12 · Qiskit 2.3 · qiskit-ibm-runtime (SamplerV2) · qiskit-superstaq · SQLAlchemy · SciPy · Plotly · IBM Quantum

About

Lachlan Haydon

I am a dual-degree student at Loyola University Chicago pursuing a B.S. in Physics and a B.B.A. in Information Systems & Business Analytics, graduating in May 2026.

I am currently researching lightning dynamics and Terrestrial Gamma-ray Flashes (TGFs) at Loyola with Dr. Rasha Abbasi for the Telescope Array Project.

Publications & Presentations

Submitted Dec 2025

Observation of a Downward Terrestrial Gamma-Ray Flash Associated with Dart Leaders

Atmospheres — Under Review

N. Kieu, R. U. Abbasi, L. Haydon, et al.

Mar 2026

Studying the Optical Emission of Lightning at the Telescope Array Detector

American Physical Society Global Summit

L. Haydon, R. Abbasi, et al.

Experience

Jan 2025 — Present

Research Assistant

Loyola University Chicago

Researching Lightning Dynamics and Terrestrial Gamma-ray Flashes (TGFs) under Dr. Rasha Abbasi for the Telescope Array Project. Automated spectroscopic analysis, developed an interactive visualization GUI, and analyzed high-speed phantom video data. Co-authored a manuscript currently in review.

Jun 2025 — Aug 2025

Risk Management & Insurance Brokerage Intern

Marsh

Summer associate at the world's largest insurance brokerage. Placed in the Middle-Market Casualty team, gaining experience understanding coverages, negotiating with underwriters, and helping submit policies during the 7/1 busy season.

Sep 2023 — Dec 2024

Lead Writing Center Tutor

Loyola University Chicago

Started as a writing tutor sharing expertise and giving feedback on student assignments. Promoted to lead tutor with additional responsibilities including training and mentoring new employees and promoting the center at campus events.

2019 — Present

Part Time Roles: Lifeguard, Physics Tutor, Grounds Keeper

Resume