Publications

Photonic variational quantum eigensolver using entanglement measurements

J. Lee, W. Song, D. Lee, Y. Kim, SWL, H.-T. Lim, H. Jung, S.-W. Han, Y.-S. Kim Quantum Science and Technology 9, 045028 (2024)

Fault-Tolerant Quantum Computation by Hybrid Qubits with Bosonic Cat Code and Single Photons

J. Lee, N. Kang, S.-H. Lee, H. Jeong, L. Jiang, SWL PRX Quantum 5, 030322 (2024)

Encoded-Fusion-Based Quantum Computation for High Thresholds with Linear Optics

W. Song, N. Kang, Y.-S. Kim, SWL Phys. Rev. Lett. 133, 050605 (2024)

Distributed quantum sensing of multiple phases with fewer photons

D.-H. Kim, S. Hong, Y.-S. Kim, Y. Kim, SWL, R. C. Pooser, K. Oh, S.-Y. Lee, C. Lee, H.-T. Lim Nature Communications 15, 266 (2024)

Certifying quantum state and dimension via phase-space Bell tests for continuous variable systems

A. Dutta, SWL, H. Nha Optics Communications 534, 129322 (2023)

Demonstration of complete information trade-off in quantum measurement

S. Hong, Y.-S. Kim, Y.-W. Cho, J. Kim, SWL, H.-T. Lim Phys. Rev. Lett. 128, 050401 (2022); Editor's Suggestion, Featured in Physics; Quantum measurement strikes a balance NEWS: Phys.org , PhysicsWorld (Editor's choice)

2×N twin-field quantum key distribution network configuration based on polarization, wavelength, and time division multiplexing

C. H. Park, M. K. Woo, B. K. Park, Y.-S. Kim, H. Baek, SWL, H.-T. Lim, S.-W. Jeon, H. Jung, S. Kim and S.-W. Han npj Quantum Information 8, 48 (2022)

All-Photonic Architecture for Scalable Quantum Computing with Greenberger-Horne-Zeilinger States

S. Omkar, S.-H. Lee, Y. S. Teo, SWL, and H. Jeong PRX Quantum 3, 030309 (2022)

Optimal strategy for multiple-phase estimation under practical measurement with multimode NOON state

J. Rehman, S. Hong, SWL, Y.-S. Kim, Y.-W. Cho, H. Jung, S. M., H. Shin, S.-W. Han, and H.-T. Lim Phys. Rev. A 106, 032612 (2022)

Practical Sensitivity Bound for Multiple Phase Estimation with Multi-Mode N00N States

S. Hong, J. Rehman, Y.-S. Kim, Y.-W. Cho, SWL, S.-Y. Lee, and H.-T. Lim  Laser Photonics Rev. 16, 2100682 (2022)

Loss-tolerant concatenated Bell-state measurement with encoded coherent-state qubits for long-range quantum communication

S.-H. Lee, SWL, H. Jeong Phys. Rev. Research 3, 043205 (2021)

Quantum enhanced multiple-phase estimation with multi-mode NOON states

S. Hong, J.U. Rehman, Y.-S. Kim, Y.-W. Cho, SWL, H. Jung, S. Moon, S.-W. Han, H.-T. Lim Nature Communications 12, 5211 (2021)

Quantum teleportation is a reversal of quantum measurement

SWL, D.-G. Im, Y.-H. Kim, H. Nha, M. S. Kim Phys. Rev. Research 3, 033119 (2021)

Optimal teleportation via noisy quantum channels without additional qubit resources

D.-G. Im, C.-H. Lee, Y. Kim, H. Nha, M. S. Kim, SWL, Y.-H. Kim npj Quantum Information 7, 86 (2021)

Highly photon loss tolerant quantum computing using hybrid qubits

S. Omkar, Y. S. Teo, SWL, H. Jeong Phys. Rev. A 103, 032602 (2021)

Complete Information Balance in Quantum Measurement

SWL, J. Kim, H. Nha Quantum 5, 414 (2021)

Optimal quantum phase estimation with generalized multi-component cat states

SWL, S.-Y. Lee, J. Kim JOSA B 37, 2423-2429 (2020)

Noise-adaptive test of quantum correlations with quasiprobability functions

SWL, J. Kim, W. Son Phys. Rev. A 102, 012408 (2020)

Quantum teleportation of shared quantum secret

S. M. Lee, SWL(co-1st), H. Jeong, H. S. Park Phys. Rev. Lett. 124, 060501 (2020)  NEWS: Physics World

Fundamental building block for all-optical scalable quantum networks

SWL, T. C. Ralph, H. Jeong

Phys. Rev. A 100, 052303 (2019); Editors' Suggestion

Single-photon characteristics of superposed weak coherent states

SWL, J. Kim Phys. Rev. A 99, 013847 (2019)

Efficient high-dimensional quantum key distribution with hybrid encoding

Y. Jo, H. S. Park, SWL, W. Son Entropy 21, 80 (2019)

Optimal usage of quantum random access memory in quantum machine learning

J. Bang, A. Dutta, SWL, J. Kim Phys. Rev. A 99, 012326 (2019)

Quantum macroscopicity measure for arbitrary spin systems and its application to quantum phase transition

C.-Y. Park, M. Kang, C.-W. Lee, J. Bang, SWL, H. Jeong Phys. Rev. A 94, 052105 (2016)

Dynamical decoupling sequences for multi-qubit dephasing suppression and long-time quantum memory

GA. Paz-Silva, SWL, T. J. Green, L. Viola New Journal of Physics 18, 073020 (2016) 

Two different types of optical hybrid qubits for teleportation in a lossy environment

H. Kim, SWL, H. Jeong Quantum Information Processing 15, 4729-4746 (2016)

Protocol for secure quantum machine learning at a distant place

J. Bang, SWL, H. Jeong Quantum Information Processing 14, 3933-3947 (2015)

Nearly deterministic Bell measurement with multiphoton entanglement for efficient quantum information processing

SWL, K. Park, T. C. Ralph, H. Jeong Phys. Rev. A 92, 052324 (2015)

Properties of hybrid entanglement between discrete- and continuous variable states of light

L. S. Costanzo, A. Zavatta, S. Grandi, M. Bellini, H. Jeong, M. Kang, SWL, T. C. Ralph Physica Scripta 90, 074045 (2015)

A quantum algorithm for obtaining the lowest eigenstate of a Hamiltonian assisted with an ancillary qubit system

J. Bang, SWL, C.-W. Lee, H. Jeong, J. Lee Quantum Information Processing 14, 103-118 (2015)

Nearly Deterministic Bell Measurement for Multiphoton Qubits and Its Application to Quantum Information Processing

SWL, K. Park, T. C. Ralph, H. Jeong Phys. Rev. Lett. 114, 113603 (2015)

Fundamental bounds in measurements for estimating quantum states

H.-T. Lim, Y.-S. Ra, K.-H. Hong, SWL, Y.-H. Kim Phys. Rev. Lett. 113, 020504 (2014)

Experimental hybrid entanglement between quantum and classical states of light

L. S. Costanzo, A. Zavatta, S. Grandi, M. Bellini, H. Jeong, M. Kang, SWL, T. C. Ralph International Journal of Quantum Information 12, 1560015 (2014)

Generation of Hybrid Entanglement of Light

H. Jeong, A. Zavatta, M. Kang, SWL, L. S. Costanzo, S. Grandi, T. C. Ralph, M. Bellini Nature Photonics 8, 564 -569 (2014)

Near-deterministic quantum teleportation and resource-efficient quantum computation using linear optics and hybrid qubits

SWL, H. Jeong Phys. Rev. A 87, 022326 (2013)

Testing genuine multipartite nonlocality in phase space

SWL, M. Paternostro, J. Lee, H. Jeong Phys. Rev. A 87, 022123 (2013)

Bell-state measurement and quantum teleportation using linear optics: two-photon pairs, entangled coherent states, and hybrid entanglement

SWL, H. Jeong Proceedings of the First International Conference on Entangled Coherent State and Its Application to Quantum Information Science, Tamagawa University, Tokyo, 2012, pp 41-46, arXiv.1304.1214 (2013)

Quantum teleportation between "particle-like" and "field-like" qubits using hybrid entanglement under decoherence effects

K. Park, SWL, H. Jeong Phys. Rev. A 86, 062301 (2012)

Procedures for realizing an approximate universal NOT gate

J. Bang, SWL, H. Jeong, J. Lee Phys. Rev. A 86, 062317 (2012)

Balance between information gain and reversibility in weak measurement

Y. W. Cheong, SWL Phys. Rev. Lett. 109, 150402 (2012) 

High-dimensional Bell test for a continuous variable state in phase space and its robustness to detection inefficiency

SWL, H. Jeong Phys. Rev. A 83, 022103 (2011)

Bell inequality for pairs of particle-number-superselection-rule restricted states

L. Heaney, SWL, D. Jaksch Phys. Rev. A 82, 042116 (2010)

Witnessing entanglement in phase space using inefficient detectors 

SWL, H. Jeong, D. Jaksch Phys. Rev. A 81, 012302 (2010)

Testing quantum nonlocality by generalized quasiprobability functions

SWL, H. Jeong, D. Jaksch, Phys. Rev. A 80, 022104 (2009)

Maximal violation of tight Bell inequalities for maximal high-dimensional entanglement

SWL, D. Jaksch, Phys. Rev. A 80, 010103(R) (2009)

Entanglement purification for high dimensional multipartite systems

Y. W. Cheong, SWL, J. Lee, H.-W. Lee, Phys. Rev. A 76, 042314 (2007)

Generalized structure of Bell inequalities for bipartite arbitrary-dimensional systems

SWL, Y. W. Cheong, J. Lee Phys. Rev. A 76, 032108 (2007) 

Probabilistic structure of Bell inequalities in high dimension

SWL, J. Ryu, J. Lee, J. Kor. Phys. Soc. 48, 1307 (2006)

Entanglement swapping of generalized GHZ state 

Y. W. Cheong SWL, J. Lee, J. Kor. Phys. Soc. 48, 1233 (2006)

Quantum secret sharing by high dimensional systems

W.-J. Kim, S.-H. Cha, SWL, J. Lee J. Kor. Phys. Soc. 48, 1218 (2006)

Greenberger-Horne-Zeilinger Nonlocality in Arbitrary Even Dimensions 

J. Lee, SWL, M. S. Kim Phys. Rev. A 73, 032316 (2006)

Quantum teleportation protocols in dependence on closeness measures 

SWL, J. Lee, Y. P. Lee, J. Kor. Phys. Soc. 46, S192 (2005)

Optical test on Greenberger-Horne-Zeilinger paradox of quantum nonlocality

J. Lee, SWL J. Kor. Phys. Soc. 46, S181 (2005)