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20242026
most citedFaster Optimal Decoder for Graph Codes with a Single Logical Qubit

1 citations · 1 across the 9 of their papers we have counts for

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12 papers

quant-ph2026

Quantum Approximate Optimization for Decoding of Low-Density Parity-Check Codes

Krishnakanta Barik, Goutam Paul

Decoding Low-Density Parity-Check (LDPC) codes is a fundamental problem in coding theory, and Belief Propagation (BP) is one of the most popular methods for LDPC code decoding. How…

quant-ph2026★ 1 cited

Faster Optimal Decoder for Graph Codes with a Single Logical Qubit

Nirupam Basak, Goutam Paul

In this work, we develop an efficient decoding method for graph codes, a class of stabilizer quantum error-correcting codes constructed from graph states. While optimal decoding is…

quant-ph2026

Hierarchical quantum decoders

Nirupam Basak, Ankith Mohan, Andrew Tanggara +3

Decoders are a critical component of fault-tolerant quantum computing. They must identify errors based on syndrome measurements to correct quantum states. While finding the optimal…

quant-ph2026

Noise-Resilient Quantum Evolution in Open Systems through Error-Correcting Frameworks

Nirupam Basak, Goutam Paul, Pritam Chattopadhyay

We analyze quantum state preservation in open quantum systems using quantum error-correcting (QEC) codes explicitly embedded in microscopic system-bath models. Rather than assuming…

cs.LG2025

Quantum Temporal Fusion Transformer

Krishnakanta Barik, Goutam Paul

The \textit{Temporal Fusion Transformer} (TFT), proposed by Lim \textit{et al.}, published in \textit{International Journal of Forecasting} (2021), is a state-of-the-art attention-…

quant-ph2025

Resource Reduction in Multiparty Quantum Secret Sharing of both Classical and Quantum Information under Noisy Scenario

Nirupam Basak, Goutam Paul

Quantum secret sharing (QSS) enables secure distribution of information among multiple parties but remains vulnerable to noise. We analyze the effects of bit-flip, phase-flip, and…

quant-ph2025

Approximate Dynamical Quantum Error-Correcting Codes

Nirupam Basak, Andrew Tanggara, Ankith Mohan +2

Quantum error correction plays a critical role in enabling fault-tolerant quantum computing by protecting fragile quantum information from noise. While general-purpose quantum erro…

quant-ph2025

Provable DI-QRNG protocols based on self-testing methodologies in preparation and measure scenario

Asmita Samanta, Arpita Maitra, Goutam Paul

We present two Device Independent Quantum Random Number Generator (DI-QRNG) protocols using two self-testing methodologies in Preparation \& Measure (P\&M) scenario. These two meth…

quant-ph2024

Generalized Teleportation Fidelity and Singlet Fraction and their Relation for (In)-distinguishable Particles and Its Applications

Soumya Das, Goutam Paul, Anindya Banerji

Quantum teleportation efficiently transfers quantum information between distant locations by utilizing a pre-established composite system. Assessing the effectiveness of teleportat…

quant-ph2024

Characterization of Noise using variants of Unitarity Randomized Benchmarking

Adarsh Chandrashekar, Soumya Das, Goutam Paul

Benchmarking of noise that is induced during the implementation of quantum gates is the main concern for practical quantum computers. Several protocols have been proposed that empi…

quant-ph2024

Improved Routing of Multiparty Entanglement over Quantum Networks

Nirupam Basak, Goutam Paul

Effective routing of entanglements over a quantum network is a fundamental problem in quantum communication. Due to the fragility of quantum states, it is difficult to route entang…

quant-ph2024

Evaluating Quantumness, Efficiency and Cost of Quantum Random Number Generators via Photon Statistics

Goutam Paul, Nirupam Basak, Soumya Das

This work presents two significant contributions from the perspectives of quantum random number generator (QRNG) manufacturers and users. For manufacturers, the conventional method…