News

Picture of the low-density generator matrices used in the code. One block is replaced by an "easter egg" of a picture of Eren Guttentag.

New preprint on Fault-Tolerant QLDPC Syndrome Measurement via LDGM Encoding

New method for creating low-weight quantum data syndrome codes

a diagram showing a Clifford-deformed elongated compass code, and a plot of the gains in the thresholds from correlated decoding relative to standard MWPM

Leveraging Correlated Decoding for Bias-Tailored Compass Codes

Simulating the bias-tailored Clifford-deformed elongated compass codes at the circuit level with correlated and standard MWPM.

Brown lab 2026 PhD and MS graduates in their gowns with Prof. Brown and a BS graduate

2026 Graduates

Brown lab students graduate

A view of Lake Maggiore from the peak of Balladrum

Monte Verita Quantum Code Conference

Ken and Eva present their work at Monte Verita

Professor Ken Brown hands champagne bottle to Julie Campos signifying her successful completion of the PhD defense

Julie Campos defends her PhD thesis

Julie defends here thesis on "Tailoring Quantum Error Correction to Quantum Computing Architectures"

June Valerberghe, Ken Brown, and Devansh Bhardwaj pose on the top deck of the Can Opener with the Chesterfield building in the background.

June and Devansh defend their Masters Theses

June Vanlerberghe and Devansh Bhardwaj defend there theses on quantum error correction.

Brown lab alumni meet up at the APS Global Summit

Brown Lab at APS Global Summit 2026

Brown lab past and present get together at the APS Global Summit

A diagram showing lattice surgery using remote entanglement and comparing distillation to direct use of entangled pairs

To Distill, or Not to Distill

Collaboration between Duke and Lawerence Berkeley National Lab on distributed quantum computing

Balint Pato, PhD, gives a thumbs up next to undergraduate mentee Michael Wang

Balint Pato defends his thesis

Balint Pato successfully defends his thesis on design and evaluation of QEC protocols

A coffee cup on a sauce on a table with the Sydney harbor in the background

Cyclone meethod for QEC with trapped ions in HPCA 2026

Sahil presents Cyclone at HPCA 2026

Samuel Phiri holds his celebratory defense bottle and stands next to his advisor Kenneth Brown.

Samuel Phiri defends his thesis

Sam successfully defends his thesis on "Engineering cryogenic trapped-ion systems for stable quantum states"

A schematic of how coherent noise interacts with the surface code showing the errors, the measured probability of events, and then the detector error model

Detector error models and coherent errors

Measured detector error models can detect and fix coherent errors

Balint Pato presents at SQUINT

PlanqTN at the SQuInT Conference

Hyper-optimized Quantum Lego Contraction Schedules

Jude Alnas and Sahil Khan by the Duke Engineering sign

Brown Lab at QCE 2025

Brown lab attends QCE 2025 in Albuquerque, NM

Yingjia Lin and Bohan Lu present their posters at QEC 2025

Brown Lab at QEC 2025

The 7th International Conference on Quantum Error Correction was held at Yale University