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QCS lab
  • Home
    • Research Area
    • Course Roadmap and Lectures
    • Projects
    • Publications
    • Talk, Presentation, Media
    • Members
    • Job Opening
    • Scientific News
  • More
    • Home
      • Research Area
      • Course Roadmap and Lectures
      • Projects
      • Publications
      • Talk, Presentation, Media
      • Members
      • Job Opening
      • Scientific News

Publications


for quick review, please visit
https://scholar.google.com/citations?hl=ko&user=q-rt-AcAAAAJ&view_op=list_works&sortby=pubdate

Quantum Brain Group

Quantum Computational Brain

  • Application

    • Disease

  • Fundamentals

    • Brain and Computation

    • Potentials and Limitations (with Quantum Verification)

    • Limit of Classical Computational Model of Brain

    • Limit of Quantum Computational Model of Brain

  • Conceptual Architecture and Component

    • for Interaction with Environment (with Quantum Learning, Data Conversion)

    • for Scalability (with Quantum Computation, Random Walk)

    • for Stability (with Quantum Information, Topological Quantum Computation)

  • Implementation

    • System Level

    • Network Level

    • Unit Level

Quantum Mechanical Brain

  • Application

    • Disease

  • Fundamentals

    • Brain and Physics

    • Potentials and Limitations (with Quantum Verification)

    • Limit of Quantum Mechanical Brain Model

    • Relation with other Physical Area

  • Conceptual Architecture and Component

    • for Interaction with Environment (with Quantum Learning, Data Conversion)

    • for Scalability (with Quantum Computation, Random Walk)

    • for Stability (with Quantum Information, Topological Quantum Computation)

  • Implementation

    • System Level

    • Network Level

    • Unit Level

      • Study on a Topological Quantum Computation Model for the Orch OR Theory Seung Joo Ahn and Byung-Soo Choi, p. 86, The Science of Consciousness (TSC) 2023

Quantum Learning Group

Quantum Learning Algorithms

  • Fundamentals

    • Learning and Physics

    • Potentials and Limitations

  • General Overview

  • Recognition, Classification, Identification

  • QRNN

  • QCNN

Quantum Data Processing Engines

  • Database Engine

    • Implementation of Quantum Associative Memory and Efficiency Analysis 김화연, 장아름, 최병수, 한국정보과학회 학술발표논문집, 1416-1418, 2016

Quantum Elementary Circuits for Learning

  • State Preparation

    • Efficient quantum algorithms to construct arbitrary Dicke states K Chakraborty, BS Choi, A Maitra, S Maitra, Quantum Information Processing, 13, 2049-2069, 2014

Quantum Computing Group

Quantum Computing Algorithms

  • Fundamentals

    • Computation and Physics

    • Potentials and Limitations

  • General Overview

    • Applications of an Entangled Quantum Internet R Van Meter, BS Choi, network 15, 3, 2008

  • Quantum Simulation

    • Quantum Computing Performance Analysis of the Ground-State Estimation Problem BS Choi, Korean Journal of Optics and Photonics 29(2), 58-63, 2018

  • Cryptanalysis

    • Exact quantum algorithm to distinguish Boolean functions of different weights SL Braunstein, BS Choi, S Ghosh, S Maitra, Journal of Physics A: Mathematical and Theoretical 40(29), 8441, 2007

    • Quantum algorithm for the asymmetric weight decision problem and its generalization to multiple weights BS Choi, SL Braunstein, Quantum Information Processing 10(2), 177-188, 2011

    • Optimality proofs of quantum weight decision algorithms BS Choi, Quantum Information Processing 11(1), 123-136

Quantum Function Processing Engines

  • Optimization Engine

  • Random Walk Engine

  • Search Engine

    • Quantum partial search of a database with several target items BS Choi, VE Korepin, Quantum Information Processing 6(4), 243-254, 2007

    • Sure success partial search BS Choi, TA Walker, SL Braunstein, Quantum Information Processing 6(1), 1-8, 2007

Quantum Elementary/Arithmetic Circuits

  • Multiplier

    • Quantum modular multiplication SM Cho, A Kim, D Choi, BS Choi, SH Seo, IEEE Access 8, 213244-213252, 2020

  • Adder

    • A Θ(√n)-depth quantum adder on the 2D NTC quantum computer architecture BS Choi, R Van Meter, ACM Journal on Emerging Technologies in Computing Systems (JETC) 8(3), 24:1-22

    • On the effect of quantum interaction distance on quantum addition circuits  BS Choi, R Van Meter, ACM Journal on Emerging Technologies in Computing Systems (JETC) 7(3), 11:1-17

Quantum Information Group

Fault-Tolerant Quantum Computation Theory

  • Overview

    • Technology Trend of Fault-Tolerant Quantum Computing Y Hwang, TW Kim, CH Baek, SU Cho, HS Kim, BS Choi, Electronics and Telecommunications Trends 37(2), 1-10, 2022

    • 결함 허용 양자 컴퓨팅 연구 개발 동향 백충헌, 황용수, 김태완, 최병수, 전자공학회지 45(4), 40-48, 2018

  • Fundamentals

    • Information and Physics

    • Potentials and Limits

  • Fault-Tolerant Quantum Computation Components

    • Architecture

      • Dual-code quantum computation model BS Choi, Quantum Information Processing 14(8), 2775-2818, 2015

    • Network

      • Interoperability in encoded quantum repeater networks S Nagayama, BS Choi, S Devitt, S Suzuki, R Van Meter, Physical Review A 93(4), 042338, 2016

    • Code Conversion

      • Quantum circuit and method for implementing heterogeneously encoded logical bell state BS Choi, Y Hwang, US Patent App. 16/343,374, 2019

      • Fault-tolerant conversion between stabilizer codes by Clifford operations Y Hwang, BS Choi, Y Ko, J Heo, arXiv preprint arXiv:1511.02596, 2015

      • Cost Comparison between Code Teleportation and Stabilizer Sequence Methods for Quantum Code Conversion BS Choi, 2013 International Conference on ICT Convergence (ICTC), 1083-1087, 2013

  • Error-Correction Codes

    • On the construction of stabilizer codes with an arbitrary binary matrix  Y Hwang, BS Choi, M Jeon, Quantum information processing 12(1), 467-479, 2013

Quantum Characterization, Verification and Validation Methods

  • Overview

  • Fundamentals

    • Verification and Physics

    • Potentials and Limits

  • Architecture and System Level

  • Gate and Circuit Level

    • Method of simulating quantum computing system and quantum computing simulation system  B Chungheon, BS Choi, US Patent App. 16/924, 522, 2021

    • Density matrix simulation of quantum error correction codes for near-term quantum devices C Baek, T Ostuka, S Tarucha, BS Choi, Quantum Science and Technology 5(1), 015002, 2019

  • Device and Pulse Level

Quantum System Group

Quantum Computing System Design and Performance Estimation

  • for Universal, Scalable, and Reliable Quantum Computing System

    • Integrated Analysis of Performance and Resources in Large-Scale Quantum Computing Y Hwang, T Kim, C Baek, BS Choi, Physical Review Applied 13(5), 054033, 2020

  • for NISQ

Implementation of Classical Components

  • General Overview of Platforms

    • R&D Status of Quantum Computing Technology CH Baek, YS Hwang, TW Kim, BS Choi, Electronics and Telecommunications Trends 33(1), 20-33, 2018

    • Trends of Quantum Computing System Development and Applications BS Choi, Electronics and Telecommunications Trends 31(2), 84-94, 2016

  • Visualizer

    • Hierarchical Circuit Visualization for Large-Scale Quantum Computing JH Kim, BS Choi, D Jo, Proceedings of the Korean Institute of Information and Commucation Sciences, 2021

    • 3D Circuit Visualization for Large-Scale Quantum Computing J Kim, B Choi, D Jo, Journal of the Korea Institute of Information and Communication Engineering, 2021

  • Decomposer

    • Quantum circuit for shifting phase of target qubit based on control qubit T Kim, BS Choi, US Patent App. 16/034,073, 2019

    • Efficient decomposition methods for controlled-Rn using a single ancillary qubit T Kim, BS Choi, Scientific Reports 8, 5445, 2018

  • Mapper

    • Hierarchical system mapping for large-scale fault-tolerant quantum computing Y Hwang, BS Choi, Quantum Information Processing 20(6), 1-24, 2021

  • Controller

    • Technical Trend and Challenging Issues for Quantum Computing Control System YH Jeong, BS Choi, Electronics and Telecommunications Trends 36(3), 87-96, 2021

Implementation of Quantum Components

Optical System

  • Optical System

    • A software platform for programmable linear optical quantum computer, Y Kwon, BS Choi, IEEE Access 11, 112682-112692, 2023

    • A Design of Software Architecture for Validate and Verification of Linear-Optical Quantum Computing Platform D Lee, Y Kwon, K Kim, J Lee, BS Choi, IEEE International Conference on Quantum Computing and Engineering (QCE), 359-360, 2023

    • A Universal and Programmable Software Platform for Linear Optical Quantum Computing Y Kwon, BS Choi, International Workshop on Quantum Compilation (IWQC), 2023

Quantum-Dot System

  • Quantum-Dot System

    • Research Trend for Quantum Dot Quantum Computing C Baek, BS Choi, Electronics and Telecommunications Trends 35(2), 79-88, 2020

  • Logical Qubit

    • Analysis of physical requirements for simple three-qubit and nine-qubit quantum error correction on quantum-dot and superconductor qubits IK Sohn, S Tarucha, BS Choi, Physical Review A 95(1), 012306, 2017

  • Physical Qubit

    • Spin qubits with semiconductor quantum dots S Tarucha, M Yamamoto, A Oiwa, BS Choi, Y Tokura, Principles and Methods of Quantum Information Technologies, 541-567, 2016

SC System

  • Logical Qubit

    • Analysis of physical requirements for simple three-qubit and nine-qubit quantum error correction on quantum-dot and superconductor qubits IK Sohn, S Tarucha, BS Choi, Physical Review A 95(1), 012306, 2017

Ion-Trap System

  • Ion-Trap System

    • Performance simulator based on hardware resources constraints for ion trap quantum computer M Ahsan, BS Choi, J Kim, International Conference on Computer Design (ICCD), 411-418, 2013

Classical System Group

Theory

  • Computation Model

    • Asynchronous Computation Model

      • Handshake Protocol using Return-to-Zero Data Encoding for High Performance Asynchronous Bus EG Jung, BS Choi, DI Lee, YG Won. IEE Proceedings - Computers and Digital Techniques 150(4), 245-251, 2003

  • Architecture and Component

    • Redundant Operation Table

      • Partial resolution for redundant operation table BS Choi, JD Cho, Microprocessors and Microsystems 32(2), 79-94, 2008

    • Value Prediction

      • Cost effective mixed-type value predictor using distributed classification method BS Choi, Microprocessors and Microsystems 29(10), 451-462, 2005

      • Area and performance analysis of value predictors BS Choi, DI Lee, IEE Proceedings-Computers and Digital Techniques 150(6), 375-386, 2003

    • Multiplier 

      • Asynchronous Array Multiplier with an Asymmetric Parallel Array Structure CH Park, BS Choi, SJ Kim, EG Jung, DI Lee, IEICE Transactions on Information and Systems 86(7), 1243-1249, 2003

      • Asynchronous Multiplier with Parallel Array Structure 박찬호, 최병수, 이동익, 전자공학회논문지-SD 39(5), 87-94, 2002

Implementation of Components

  • Scheduler

    • Introduction to Shade Introduction to Shade CH PARK, BS CHOI, SJ KIM, EG JUNG, DI LEE, IEICE transactions on information and systems 86(7), 1243-1249, 2003

    • Instruction Issue Mechanism for Asynchronous Processor TITAC-3 T FUJIKI, BS CHOI, M OZAWA, H NAKAMURA, T NAN'YA, IPSJ SIG Notes 99(41), 1-6, 1999

  • Processor

    • High performance microprocessor design methods exploiting information locality and data redundancy for lower area cost and power consumption BS Choi, JA Lee, DS Har, Asia-Pacific Conference on Advances in Computer Systems Architecture, 170-184, 2004

    • The Design of Delay Insensitive Asynchronous 16-bit Microprocessor BS Choi, DW Lee, DI Lee, ASP-DAC, 33-36 vol. 1, 1999

Contact: bschoi at pknu.ac.kr, 051-629-4516Address: Pukyong National University, College of Natural Science, Department of Scientific Computing, Building C24, Room 7412 
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