Research

International

• DWDMbased Effective Group Velocity Dispersion Module for Longdistance Quantum Communication, Journal of Lightwave Technology, , 43, 81-86 (2025 )
• Coherent TwoPhoton LIDAR with Incoherent Light, Physical Review Letters, , 131, - (2023 )
• Longrange distribution of highquality timebin entangled photons for quantum communication, Journal of the Korean Physical Society, , 80, 203-213 (2022 )
• Quantum communication with timebin entanglement over a wavelengthmultiplexed fiber network, APL Photonics, , 7, - (2022 )
• HeisenbergLimited Metrology via WeakValue Amplification without Using Entangled Resources, Physical Review Letters, , 128, - (2022 )
• DecoherenceInduced Sudden Death of Entanglement and Bell Nonlocality, Photonics, , 9, - (2022 )
• Distance sensitivity of thermal light secondorder interference beyond spatial coherence, EUROPEAN PHYSICAL JOURNAL PLUS, , 137, - (2022 )
• Trapping a freepropagating singlephoton into an atomic ensemble as a quantum stationary light pulse, AVS Quantum Science, , 4, - (2022 )
• Simultaneous Trapping of Two Optical Pulses in an Atomic Ensemble as Stationary Light Pulses, Physical Review Letters, , 129, - (2022 )
• Tunable upconversion singlephoton detector at telecom wavelengths, Nanophotonics, , , - (2022 )
• Dispersion cancellation in a quantum interferometer with independent single photons, OPTICS EXPRESS, , 29, 2348-2363 (2021 )
• Observing the quantum Cheshire cat effect with noninvasive weak measurement, npj Quantum Information, , 7, - (2021 )
• Optimal teleportation via noisy quantum channels without additional qubit resources, npj Quantum Information, , 7, - (2021 )
• Benchmarking quantum tomography completeness and fidelity with machine learning, New Journal of Physics, , 23, - (2021 )
• Quantum teleportation is a reversal of quantum measurement, Physical Review Research, , 3, - (2021 )
• Noiseresistant quantum communications using hyperentanglement, Optica, , 8, 1524-1531 (2021 )
• Generation of hyperentangled photons in a hot atomic vapor, OPTICS LETTERS, , 45, 1802-1805 (2020 )
• Universal Compressive Characterization of Quantum Dynamics, PHYSICAL REVIEW LETTERS, , 124, - (2020 )
• Observation of secondorder interference beyond the coherence time with true thermal photons, OPTICS LETTERS, , 45, 6748-6751 (2020 )
• Connection between BosonSampling with quantum and classical input states, OPTICS EXPRESS, , 28, 6929-6936 (2020 )
• Photonpair source working in a siliconbased detector wavelength range using tapered micronanofibers, Optics Letters, , 44, 447-450 (2019 )
• Periodic revival of frustrated twophoton creation via interference, OPTICS EXPRESS, , 27, 7593-7601 (2019 )
• Emergence of the geometric phase from quantum measurement backaction, NATURE PHYSICS, , 15, 665-+ (2019 )
• Direct Generation of Narrowband Hyperentangled Photons, Physical Review Letters, , 122, - (2019 )
• Experimental linear optical computing of the matrix permanent, PHYSICAL REVIEW A, , 99, - (2019 )
• Fabrication method for ultralong optical micronanofibers, Current Applied Physics, , 19, 1334-1337 (2019 )
• Nonlocal twophoton interference of energytime entangled photon pairs generated in Dopplerbroadened laddertype Rb87 atoms, PHYSICAL REVIEW A, , 100, - (2019 )
• Generation and characterization of positionmomentum entangled photon pairs in a hot atomic gas cell, OPTICS EXPRESS, , 27, - (2019 )
• Direct quantum process tomography via measuring sequential weak values of incompatible observables, NATURE COMMUNICATIONS, , 9, - (2018 )
• Direct quantum process tomography via measuring sequential weak values of incompatible observables vol 9 2018, NATURE COMMUNICATIONS, , 9, - (2018 )
• Experimental Demonstration of Quantum Stationary Light Pulses in an Atomic Ensemble, Physical Review X, , 8, - (2018 )
• Stark Tuning of SinglePhoton Emitters in Hexagonal Boron Nitride, NANO LETTERS, , 18, 4710-4715 (2018 )
• Observation of photonpair generation in the normal groupvelocitydispersion regime with slight detuning from the pump wavelength, New Journal of Physics, , 20, - (2018 )
• Dispersive Broadening of Twophoton Wave Packets Generated via TypeI and TypeII Spontaneous Parametric Downconversion, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, , 73, 1650-1656 (2018 )
• Generation of a nonzero discord bipartite state with classical secondorder interference, Optics Express, , 25, 2540-2551 (2017 )
• Reversed interplay of quantum interference and whichway information in multiphoton entangled states, PHYSICAL REVIEW A, , 96, - (2017 )
• Experimental characterization of quantum polarization of threephoton states, PHYSICAL REVIEW A, , 96, - (2017 )
• Measuring the frequencytime twophoton wavefunction of narrowband entangled photons from cold atoms via stimulated emission, OPTICA, , 4, 1293-1297 (2017 )
• Intensity correlation in frequency upconversion via fourwave mixing in rubidium vapor, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA BOPTICAL PHYSICS, , 34, 2352-2357 (2017 )
• Light storage in a cold atomic ensemble with a high optical depth, Journal of the Korean Physical Society, , 70, 1007-1010 (2017 )
• Limits on manipulating conditional photon statistics via interference of weak lasers, Optics Express, , 25, 10610-10621 (2017 )
• SecondOrder Temporal Interference with Thermal Light Interference beyond the Coherence Time, PHYSICAL REVIEW LETTERS, , 119, - (2017 )
• Spatial and spectral properties of entangled photons from spontaneous parametric down-conversion with a focused pump, OPTICS COMMUNICATIONS, , 366, 442-450 (2016 )
• Bright source of polarizationentangled photons using a PPKTP pumped by a broadband multimode diode laser, OPTICS EXPRESS, , 24, 1165-1174 (2016 )
• Experimental comparison between one-decoy and two-decoy implementations of the Bennett-Brassard 1984 quantum cryptography protocol, PHYSICAL REVIEW A, , 93, 12322- (2016 )
• EinsteinPodolskyRosen Entanglement of NarrowBand Photons from Cold Atoms, Physical Review Letters, , 117, 250501- (2016 )
• Remote preparation of threephoton entangled states via a singlephoton measurement, Physical Review A, , 94, 42329- (2016 )
• Coherent and Dynamic Beam Splitting based on Light Storage in Cold Atoms, Scientific Reports, , 6, 34279- (2016 )
• Effects of polarization mode dispersion on polarizationentangled photons generated via broadband pumped spontaneous parametric downconversion, Scientific Reports, , 6, 25846- (2016 )
• Spatial and spectral properties of entangled photons from spontaneous parametric downconversion with a focused pump, Optics Communications, , 366, 442-450 (2016 )
• Experimental comparison between onedecoy and twodecoy implementations of BennettBrassard 1984 quantum cryptography protocol, Physical Review A, , 93, 12322- (2016 )
• Timebin entangled photon pairs from spontaneous parametric downconversion pumped by a cw multimode diode laser, Proceedings of SPIE, , 9377, 93770G- (2015 )
• DoubleFock superposition interferometry for differential diagnosis of decoherence, NEW JOURNAL OF PHYSICS, , 17, - (2015 )
• Phase and amplitude controlled heralding of N00N states, OPTICS EXPRESS, , 23, 30807-30814 (2015 )
• Quantum discord protection from amplitude damping decoherence, OPTICS EXPRESS, , 23, 26012-26022 (2015 )
• Experimental demonstration of high fidelity entanglement distribution over decoherence channels via qubit transduction, SCIENTIFIC REPORTS, , 5, - (2015 )
• Avoiding Entanglement Sudden Death Using Quantum Measurement Reversal on Singlequbit, Conference on Lasers and ElectroOptics, , , - (2015 )
• Preservation of Transverse Spatial Coherence of an Optical Pulse in Atomic Vapor Quantum Memory, Conference on Lasers and ElectroOptics, , , - (2015 )
• Complete Control of FrequencyTime Correlation of NarrowBand Biphotons from Cold Atoms, Conference on Lasers and ElectroOptics, , , 7183190- (2015 )
• Comment on Nonmonotonic projection probabilities as a function of distinguishability, NEW JOURNAL OF PHYSICS, , 16, - (2014 )
• Observation of decoherenceinduced exchange symmetry breaking in an entangled state, PHYSICAL REVIEW A, , 90, - (2014 )
• Engineering FrequencyTime Quantum Correlation of NarrowBand Biphotons from Cold Atoms, PHYSICAL REVIEW LETTERS, , 113, - (2014 )
• An experimental comparison of BB84 and SARG04 quantum key distribution protocols, LASER PHYSICS LETTERS, , 11, - (2014 )
• Avoiding entanglement sudden death using singlequbit quantum measurement reversal, OPTICS EXPRESS, , 22, - (2014 )
• Fundamental Bounds in Measurements for Estimating Quantum States, PHYSICAL REVIEW LETTERS, , 113, - (2014 )
• Entangling two separate photonic ququarts using linear optical elements, PHYSICAL REVIEW A, , 90, - (2014 )
• Experimental demonstration of delayedchoice decoherence suppression, NATURE COMMUNICATIONS, , 5, - (2014 )
• Experimental implementation of a fully controllable depolarizing quantum operation, PHYSICAL REVIEW A, , 87, - (2013 )
• SubRayleigh imaging via speckle illumination, OPTICS LETTERS, , 38, 682-684 (2013 )
• Nonmonotonic quantumtoclassical transition in multiparticle interference, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, , 110, 1227-1231 (2013 )
• Timebin entangled photon pairs from spontaneous parametric downconversion pumped by a cw multimode diode laser, OPTICS EXPRESS, , 21, 25492-25500 (2013 )
• Preservation of spatial coherence of an optical pulse in atomic vapor quantum memory, PHYSICAL REVIEW A, , 88, - (2013 )
• Experimental realization of a delayedchoice quantum walk, NATURE COMMUNICATIONS, , 4, - (2013 )
• Observation of detectiondependent multiphoton coherence times, NATURE COMMUNICATIONS, , 4, - (2013 )
• Generation of nonclassical narrowband photon pairs from a cold rubidium cloud, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, , 63, 943-950 (2013 )
• Multipolar hierarchy of efficient quantum polarization measures, Physical Review A, , 88, - (2013 )
• Twophoton interferences with degenerate and nondegenerate paired photons, PHYSICAL REVIEW A, , 85, 21803- (2012 )
• Storage and retrieval of ghost images in hot atomic vapor, OPTICS EXPRESS, , 20, 5809-5816 (2012 )
• Experimental realization of an approximate transpose operation for qutrit systems using a structural physical approximation, PHYSICAL REVIEW A, , 86, - (2012 )
• Scheme for directly observing the noncommutativity of the position and the momentum operators with interference, PHYSICAL REVIEW A, , 86, - (2012 )
• Protecting entanglement from decoherence using weak measurement and quantum measurement reversal, NATURE PHYSICS, , 8, 117-120 (2012 )
• Centralmoment description of polarization for quantum states of light, PHYSICAL REVIEW A, , 85, - (2012 )
• Diffusionfree image storage in hot atomic vapor, PHYSICAL REVIEW A, , 86, - (2012 )
• Experimental implementation of the universal transpose operation using the structural physical approximation, PHYSICAL REVIEW A, , 83, - (2011 )
• Fourphoton indistinguishability transition, PHYSICAL REVIEW A, , 83, - (2011 )
• Effects of depolarizing quantum channels on BB84 and SARG04 quantum cryptography protocols, LASER PHYSICS, , 21, 1438-1442 (2011 )
• Experimental demonstration of decoherence suppression via quantum measurement reversal, OPTICS EXPRESS, , 19, 16309-16316 (2011 )
• Ultralow noise singlephoton detector based on Si avalanche photodiode, REVIEW OF SCIENTIFIC INSTRUMENTS, , 82, - (2011 )
• Experimental Realization of an Approximate Partial Transpose for Photonic TwoQubit Systems, PHYSICAL REVIEW LETTERS, , 107, - (2011 )
• Preparation and tomographic reconstruction of an arbitrary singlephoton path qubit, PHYSICS LETTERS A, , 375, 3834-3839 (2011 )
• Observation of Youngs doubleslit interference with the threephoton N00N state, OPTICS EXPRESS, , 19, 24957-24966 (2011 )
• Weak value measurement with an incoherent measuring device, NEW JOURNAL OF PHYSICS, , 12, - (2010 )
• Observing photonic de Broglie waves without the maximallypathentangled vertical bar N 0 vertical bar 0 N state, PHYSICAL REVIEW A, , 81, 63801- (2010 )
• Storage and retrieval of thermal light in warm atomic vapor, PHYSICAL REVIEW A, , 82, 33830- (2010 )
• Experimental verification of the commutation relation for Pauli spin operators using singlephoton quantum interference, PHYSICS LETTERS A, , 374, 4393-4396 (2010 )
• Superluminal propagation of pulsed pseudothermal light in atomic vapor, OPTICS EXPRESS, , 18, 19693-19699 (2010 )
• Atomic vapor quantum memory for a photonic polarization qubit, OPTICS EXPRESS, , 18, 25786-25793 (2010 )
• Nonlocal Dispersion Cancellation using Entangled Photons, OPTICS EXPRESS, , 17, 19241-19252 (2009 )
• Spectral properties of entangled photons generated via typeI frequencynondegenerate spontaneous parametric downconversion, PHYSICAL REVIEW A, , 80, -33814 (2009 )
• Coherence properties of spontaneous parametric downconversion pumped by a multimode cw diode laser, OPTICS EXPRESS, , 17, 13059-13069 (2009 )
• Reversing the weak quantum measurement for a photonic qubit, OPTICS EXPRESS, , 17, 11978-11985 (2009 )
• Quantum random number generator using photonnumber path entanglement, APPLIED OPTICS, , 48, 1774-1778 (2009 )
• Temporal shaping of a heralded singlephoton wave packet, PHYSICAL REVIEW A, , 77, - (2008 )
• Spectral properties of entangled photon pairs generated via frequencydegenerate typeI spontaneous parametric downconversion, PHYSICAL REVIEW A, , 77, - (2008 )
• Implementation of polarizationcoded freespace BB84 quantum key distribution, LASER PHYSICS, , 18, 810-814 (2008 )
• Minimumdisturbance measurement without postselection, PHYSICAL REVIEW A, , 77, - (2008 )
• Nonlocal dispersion control of a singlephoton waveform, PHYSICAL REVIEW A, , 78, - (2008 )
• Preparation and characterization of arbitrary states of fourdimensional qudits based on biphotons, PHYSICAL REVIEW A, , 78, - (2008 )
• Singlemode coupling efficiencies of typeII spontaneous parametric downconversion Collinear noncollinear and beamlike phase matching, PHYSICAL REVIEW A, , 78, - (2008 )
• DETERMINISTIC MINIMUM DISTURBANCE QUANTUM MEASUREMENT, PROCEEDINGS OF SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, , 7092, - (2008 )
• SYNTHESIS OF VERTICALLY ALIGNED MANGANESE-DOPED FE3O4 NANOWIRE ARRAYS AND THEIR EXCELLENT ROOM-TEMPERATURE GAS SENSING ABILITY, JOURNAL OF PHYSICAL CHEMISTRY C, , 112, 13911-13916 (2008 )
• Generating entangled states of two ququarts using linear optical elements, PHYSICAL REVIEW A, , 75, - (2007 )
• Practical scheme for nonpostselection entanglement concentration using linear optical elements, PHYSICS LETTERS A, , 369, 280-284 (2007 )
• Scalable scheme for entangling multiple ququarts using linear optical elements, PHYSICS LETTERS A, , 370, 28-34 (2007 )
• Highresolution modespacing measurement of the blueviolet diode laser using interference of felds created with time delays greater than the coherence time, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1REGULAR PAPERS BRIEF COMMUNICATIONS REVIEW PAPERS, , 46, 7720-7723 (2007 )
• Quantum interference with distinguishable photons through indistinguishable pathways, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA BOPTICAL PHYSICS, , 22, 493-498 (2005 )
• Measurement of the spectral properties of the twophoton state generated via type II spontaneous parametric downconversion, OPTICS LETTERS, , 30, 908-910 (2005 )
• Identifying entanglement using quantum ghost interference and imaging, PHYSICAL REVIEW LETTERS, , 92, - (2004 )

Invited Talk or Presentations

• Timebin interference for allfiber quantum communication application, , 0, 0, - (2019)
• Correlation Properties of Photon Pairs Generated near the Pump in the Normal GroupVelocityDispersion Regime, , 0, 0, - (2018)
• UltraLong Optical Fiber Tapering Technique for Sensing and Nonlinear Optic Applications, , 0, 0, - (2018)
• Spectral correlation of photonpairs generated in the normal groupvelocitydispersion regime beside pump, , 0, 0, - (2018)
• Generation of nearinfrared correlated photon pairs in a long optical nanofibers, , 0, 0, - (2017)
• Generation of nearinfrared correlated photon pairs in a long optical nanofibers, , 0, 0, - (2017)
• Singlephoton twoqubit entangled states preparation and measurement, 첨단 레이저 및 레이저 응용 2004, 0, 0, - (0000)
• On Photonic quantum entanglement in spontaneous parametric downconversion, 제 1회 양자광학 워크숍, 0, 0, - (0000)
• On singlephoton twoqubit entangled states, 한국 광학회 여름학회, 0, 0, - (0000)
• Quantum cryptography wit singlephoton twoqubit entanglement, KIAS 2004 workshop on quantum information science, 0, 0, - (0000)
• On implementation of photonic quantum bits and entanglement, 6th asian international seminar on atomic and molecular physics, 0, 0, - (0000)
• On the use of spatial degree of freedom of a photon as a quantum bit, 한국 물리학회 가을학회, 0, 0, - (0000)
• Observation of correlatedphoton statistics using a single detector, Quantum Electronics and Laser Science CLEOQELS, 0, 0, - (0000)
• Realiability of the beamsplitterbased Bellstate measurement, Quantum Electronics and Laser Science CLEOQELS, 0, 0, - (0000)
• Singlephoton twoqubit entangled states preparation and measurement, Quantum Electronics and Laser Science CLEOQELS, 0, 0, - (0000)
• Spectral Correlations between Photonpairs generated via Spontaneous Parametric DownConversion, Optics Photonics SPIE 50th Annual Meeting, 0, 0, - (0000)
• Concentrating partial entanglement of two photons via entanglement swapping, SPIE Optics Photonics, 0, 0, - (0000)
• Generating entangled states of two ququarts using linear optical elements, 한국물리학회, 0, 0, - (0000)
• Measurement of the spectral properties of the twophoton state generatred via typeII spontaneous parametric downconversion, Quantum Electronics and Laser Science CLEOQELS, 0, 0, - (0000)
• Novel method of measuring the refractive index of a laser diode cavity, 한국물리학회 가을학술논문발표회, 0, 0, - (0000)
• Toward Manipulation of Spectral Entanglement of Photons in Experimental Quantum Optics, KIASKAIST Quantum Information Science Workshop, 0, 0, - (0000)
• Recent progress toward engineered entangled photon states, Advances in Foundations of Quantum Mechanics and Quantum Information with Atoms and Photons, 0, 0, - (0000)
• Concentrating partial entanglement of two photons via entanglement swapping, CLEOQELS, 0, 0, - (0000)
• Concentrating partial entanglement of two photons via entanglement swapping, 15th International Laser Physics Workshop, 0, 0, - (0000)
• Generating entangled states of two ququarts using linear optical elements, SPIE Optics Photonics, 0, 0, - (0000)
• Reccent progress toward engineered entangled photon states, 2nd AsiaPacific Conference KIASKAIST 2006 workshop on quantum information, 0, 0, - (0000)
• Biphoton ququarts and their entanglement, CLEOPacific Rim, 0, 0, - (0000)