56 citations · 127 across the 17 of their papers we have counts for
11 papers · 1 filter
Temporal Degeneracy Limits Message Passing Decoding of QLDPC Codes Under Repeated Noisy Syndrome Measurements
Dimitris Chytas, Nithin Raveendran, Bane Vasić
Practical quantum computations can require logical error rates of or lower. Quantum low-density parity-check (QLDPC) codes are promising candidates for reaching such rat…
Trapping Sets of Detector Error Models
Michele Pacenti, Nithin Raveendran, Bane Vasic
Message-passing decoders are among the most promising candidates for scalable quantum error correction, yet their behavior in the low-error-rate regime remains poorly understood un…
Impulse Decoding of Quantum LDPC Codes: Equivalence of Degeneracy and Code-Shortening
Shobhit Bhatnagar, Michele Pacenti, Nithin Raveendran +2
Quantum error correction is essential for building scalable quantum computers. Within the stabilizer formalism, the Calderbank-Shor-Steane framework constructs quantum codes from p…
Quantum Low-Density Parity-Check Codes
Bane Vasic, Valentin Savin, Michele Pacenti +2
Quantum error correction (QEC) is a cornerstone of quantum computing, enabling reliable information processing in the presence of noise. Sparse stabilizer codes -- referred to gene…
Fault Tolerant Decoding of QLDPC-GKP Codes with Circuit Level Soft Information
Shantom K. Borah, Asit K. Pradhan, Nithin Raveendran +2
Concatenated bosonic-stabilizer codes have recently gained prominence as promising candidates for achieving low-overhead fault-tolerant quantum computing in the long term. In such…
Enhanced Min-Sum Decoding of Quantum Codes Using Previous Iteration Dynamics
Dimitris Chytas, Nithin Raveendran, Bane Vasic
In this paper, we propose a novel message-passing decoding approach that leverages the degeneracy of quantum low-density parity-check codes to enhance decoding performance, elimina…
Constant-Overhead Fault-Tolerant Quantum Computation with Reconfigurable Atom Arrays
Qian Xu, J. Pablo Bonilla Ataides, Christopher A. Pattison +7
Quantum low-density parity-check (qLDPC) codes can achieve high encoding rates and good code distance scaling, providing a promising route to low-overhead fault-tolerant quantum co…
Entanglement Purification with Quantum LDPC Codes and Iterative Decoding
Narayanan Rengaswamy, Nithin Raveendran, Ankur Raina +1
Recent constructions of quantum low-density parity-check (QLDPC) codes provide optimal scaling of the number of logical qubits and the minimum distance in terms of the code length,…
Soft Syndrome Decoding of Quantum LDPC Codes for Joint Correction of Data and Syndrome Errors
Nithin Raveendran, Narayanan Rengaswamy, Asit Kumar Pradhan +1
Quantum errors are primarily detected and corrected using the measurement of syndrome information which itself is an unreliable step in practical error correction implementations.…
Finite Rate QLDPC-GKP Coding Scheme that Surpasses the CSS Hamming Bound
Nithin Raveendran, Narayanan Rengaswamy, Filip Rozpędek +3
Quantum error correction has recently been shown to benefit greatly from specific physical encodings of the code qubits. In particular, several researchers have considered the indi…
Distilling GHZ States using Stabilizer Codes
Narayanan Rengaswamy, Ankur Raina, Nithin Raveendran +1
Entanglement distillation is a well-studied problem in quantum information, where one typically starts with noisy Bell pairs and distills Bell pairs of higher fidelity. Whi…