- "Quantum Computing: Fundamental Principles, Supremacy, Entanglement" (IEIE, 7 Apr 2023)
- "Quantum Computing: Fundamental Principles, Supremacy, Entanglement" (KAERI, 5 Apr 2023)
- "Topology for Quantum Computing and Vice Versa" (Colloquium at Sungkyunkwan University, 22 Mar 2023)
- "Quantum Simulation Of Topological States Of Matter with Single Circuit Qed System" (Seminar at Yonsei University, 13 Oct 2022)
- "Quantum Simulation Of Topological States Of Matter with Single Circuit Qed System" (Colloquium at Kyunghee University, 6 Apr 2022)
- "Quantum Simulation Of Topological States Of Matter with Single Circuit Qed System" (Seminar at Quantum Information Research Support Center, 27 Dec 2021)
- "Ultimate Precision of Direct Tomography of Wave Functions," Invited Talk at the Quantum Simulation and quantum devices (Beijing, China, 18-23 November 2019).
- "Ultimate Precision of Direct Tomography of Wave Functions," Invited Talk at the 14th Asea-Pacific Physics Conference (Kuching, Malaysia, 17-22 November 2019).
- "Circuit QED Systems Interacting with Quantum Spins," Invited Talk at the Danang University of Science and Education (4 August 2019).
- "Duality in the Cavity QED," the 44th Vietnam Conference on Theoretical Physics (Dong Hoi, Vietnam, 29 July - 1 August 2019).
- "Ultimate Precision of Direct Tomography of Wave Functions," Invited Talk at the International Conference on Quantum Computing (Yangjae, 11-12 July 2019).
- "Precision Measurement of Wave Function with Entanglement," Quantum Information Workshop (SKKY, 17-18 June 2019).
- "Circuit QED Systems Interacting with Quantum Spins," Invited Talk at the Quantum Spins at the Nanoscale (Ewha Woman's University, 27-30 May 2019).
- Organizing Committee of the International Workshop on Solid-State Qubits (Daejeon Convention Center, 23-24 April 2019).
- "Mixed-Valence Quantum Phase Transition on Superconducting Quantum Dot," International Focus Workshop on Bound states in superconductors and interfaces (BOSSA 19) (MPIKPS at Dresden, Germany, 8-10 April 2019).
- "Quantum Phase Transition on Quantum Dot Systems: Turning Competition into Coalition," Seminar at the Center for Quantum Nanoscience, Institute of Basic Science and Ewha Womans University (11 Dec 2018).
- "Superconducting Qubits and Circuit Quantum Electrodynamics," Invited Talk at the KIAS Workshop on Superconducting Quantum Information (KIAS, 19-20 Nov 2018).
- "Quantum Transport through Frozen Charge," Invited Talk at the Symposium on Quantum and Nano Devices (Korea University, 12-14 Nov 2018).
- "Topological Classification of Quantum States of Bosons," Invited Talk at the Workshop on Spin-Orbit Coupled Topological States (POSCO International Center, 1-5 Oct 2018).
- "Mixed-Valence Quantum Phase Transition on Quantum Dot Systems," Invited Talk at the 14th SRC Summer Workshop on Topological Matter (27-29 Sep 2018).
- "Topological Classification of Quantum States," Invited Talk at the International Workshop on Quantum Information and Correlation in Quantum Dots (Daejeon, 13-17 Aug 2018).
- "Photon Blockade and Delocalization in Coupled Circuit QED Systems," Seminar Talk at the University of Tübingen (15 Jun 2018).
- "Topological Classification of Quantum States of Bosons," Seminar Talk at the SUSTech, Shenzhen in China (27 Feb 2018).
- "Exploring the fundamental interaction between light and topological matter," Colloquium Talk at the Postech Physics (Pohang, 29 November 2017).
- "What topology gives physics and does not," Invited Talk at a Focus Session (titled "디락/바일 준금속") at the KPS Meeting (Daejeon, 25-27 October 2017).
- "Strong Correlation Effects in Nanostructure: Theory and Experiment," Invited Talk at the Nanophysics, from fundamentals to applications: reloaded (one of the Rencontre du Vietnam conferences) (Quy Nhon, Vietnam, 30 July - 5 August 2017).
- International Advisory Committee at the Nanophysics, from fundamentals to applications: reloaded (one of the Rencontre du Vietnam conferences) (Quy Nhon, Vietnam, 30 July - 5 August 2017).
- "Quantum Phase Transitions on a Quantum Dot Coupled to Ferromagnet & Superconductor," Invited Talk at the 6th Annual World Congress of Advanced Materials (WCAM) (Xian, China, 14-16 June 2017).
- "Frequently Asked Questions on Quantum Computation", Lecture at the NH-Amundi Asset Management (21 April 2017).
- "Topological Dynamics," Seminar at the KAIST (Daejeon, 24 March 2017).
- "Topological Dynamics," Seminar at the POSTECH (Pohang, 2 December 2016).
- "Photon Blockade and Photon Delocalization in Coupled Circuit QED Systems," Seminar at the University of Basel (Basel, Switzerland, 20 October 2016).
- "Photon Blockade and Photon Delocalization in Coupled Circuit QED Systems," Invited Talk at the International Workshop on Ultra-Strong Light-Matter Interactions: theory and applications to quantum information (Bilbao, Spain, 19-21 September 2016).
- "Photon Blockade and Photon Delocalization in Coupled Circuit QED Systems," Invited Talk at the UKC 2016 Conference (Dallas, USA, 10-13 August 2016).
- Organizing Committee at the Energy Matter and Nanotechnology (EMN) Meeting on Light Matter Interaction (Singapore, 10-13 May 2016).
- "Relativistic and Topological Dynamics of Topological Materials," Seminar at the IBS Center for Theoretical Physics of Complex Systems (Daejeon, 18 Jan 2016).
- "Delocalization and Quasi-Equilibrium of Photons in Coupled Circuit QED Systems," Invited Talk at the [APCTP Workshop on Frontiers of Physics (Yeosu, 20-23 December 2015).
- International Program Committee at the 21st International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-21) / 17th International Conference on Modulated Semiconductor Structures (MSS-17) (Sendai, Japan, July 26-31, 2015).
- "The Kibble-Zurek Mechanism in a Topological Phase Transition," Invited Talk at the APCTP Workshop on Frontiers in Physics (Muju, Korea, 20-23 December 2014).
- "Ultrastrong Coupling Effects in Circuit-QED Systems and their Arrays," Invited Talk at the IXth Rencontres du Vietnam: Nanophysics (Quy-Nhon, Vietnam, 4-10 August 2013).
- "Interplay of Symmetry and Strong Correlation in Transport Through Carbon Nanotubes," International Symposium on Carbon Electronics (Seoul, Korea, 28--29 May 2012).
- "Probing Quantum Statistics in Superconductor/Topological Insulator Nanostructures by Noise Correlations," Contributed talk at the International Conference on Superconductivity and Magnetism (Istanbul, Turkey, 29 Apr -- 4 May 2012).
- "Hysteresis of Current-Voltage Characteristics in SNS Junctions," Invited talk at KRISS (Daejeon, 28 Apr 2011).
- "Topological Insulators Talk About the Bosonic Nature of Cooper Pairs," Colloquium talk at Yonsei University (Seoul, 30 March 2011).
- "Topological Insulators Talk About the Bosonic Nature of Cooper Pairs," Colloquium talk at Busan National University (Busan, 25 March 2011).
- "Topological Insulators Talk About the Bosonic Nature of Cooper Pairs," Colloquium talk at POSTECH (Pohang, 31 March 2010).
- "Topological Insulators Talk About the Bosonic Nature of Cooper Pairs," Colloquium talk at Seoul National University (Seoul, 10 March 2010).
- "Correlation Effects on Josephson Current," Invited talk at the ICMM, CSIC (Madrid, Spain, 11 Feb 2010).
- "Hanbury Brown and Twiss Correlation of Cooper Pairs," Invited talk at the Universitat de les Illes Balears (Palma de Mallorca, Spain, 27 Jan 2010).
- "Adiabatic Quantum Pump," Invited talk at the KRISS (Daejeon, 8 December 2009).
- "Quantum Correlations in the Spin-Boson Model", Invited talk at the Advanced Program on Quantum Condensation (APCTP, 17--28 August 2009).
- "Quantum Non-Locality Tests and Their Relations: Theory and Possible Experiments," Invited talk at the APCTP JRG Workshop (Pohang, 26 September 2008).
- "Strong-Coupled Spin-Boson Models and the Manipulation of Squeezing," Invited talk at the KIAS Workshop (KIAS, 1--3 September 2008).
- "Hardy's Test vs the CHSH Test of Quantum Non-Locality: Fundamental and Practical Aspects,"
Invited talk at the APCTP Focus Program (Pohang, 14--27 August 2008) - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at Autonomous University of Madrid (Madrid in Spain, 09 Mar 2008) - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at University of Islas Balears (Palma de Mallorca in Spain, 07 Mar 2008) - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at University of Islas Balears (Palma de Mallorca in Spain, 29 Jan 2008) - "Mesoscopic Kondo Effect and Renormalization Group," Seminar at Laboratoire Pierre Aigrain, Ecole Normale Sup\'erieure (Paris, 04 Feb 2008).
- "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at Laboratoire de Physique Th\'eoretique, Universite Toulouse Paul Sabatier (Toulouse, 29 Jan 2008) - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at Laboratoire Pierre Aigrain, Ecole Normale Sup\'erieure (Paris, 22 Jan 2008). - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Invited talk at International Workshop on Electronic Coherence and Correlations (Pohang, Nov 29--Dec 1, 2007). - "Manipulation of the Phonon Squeezing in Molecular Devices,"
Seminar at Seoul National University (Seoul, 09 October 2007). - "Slave-Rotor Theory of Magnetic Impurity in Superconductors,"
Invited talk at The Korea Superconductivity Society Meeting (Yong Pyong, Aug 16--Aug 18, 2007). - "Quantum Key Distribution Using Quantum Faraday Rotators,"
Invited talk at 2007 KIAS-KAIST Workshop on Quantum Information Science (Seoul, 25--27 June 2007). - "Quantum Key Distribution Using Quantum Faraday Rotators,"
Invited talk at Workshop on Quantum Physics of Nature (KAIST, 1--2 June 2007). - "An Introduction to Renormalization Group in Mesoscopic Transport," Seminar at Pusan National University (Pusan, 12 April 2007).
- "Would Andreev States Survive Many-Body Interaction? A Freshman's Guide to Renormalization Group and Mesoscopic Transport,"
Colloquium at Chonbuk National University (Chonju, 22 March 2007). - "Would Andreev States Survive Many-Body Interaction? A Freshman's Guide to Renormalization Group and Mesoscopic Transport,"
Colloquium at Soongsil University (Seoul, 21 March 2007). - "Pair Tunneling and Shot Noise through Molecular Transistors," Invited talk at SESSE-7 (Yong Pyong, Feb 22-24, 2007).
- "Electron Correlation and Andreev States on a Quantum Dot Coupled to Superconductors,"
Invited talk at 2007 APCTP Winter Workshop on Strongly Correlated Electrons: Emergent Phenomena near Quantum Critical Points (APCTP, POSTECH, February 5--11, 2007). - "Quantum Key Distribution Using Quantum Faraday Rotators,"
Invited talk at Spintronics Workshop (NTU, Singapore, 8 -- 12 May 2006). - "Quantum Information Out of Semiclassical States in Superconducting Circuits,"
Seminar at KIAS (June 19, 2006). - "Quantum Information Out of Semiclassical States in Superconducting Circuits,"
Seminar at KRISS (Daejeon, May 18, 2006). - "Pair Tunneling and Shot Noise through Molecular Transistors," Invited talk at APCTP Focus Program (Pohang, 20--24 Nov 2006).
- "Electron Correlation and Andreev States,"
Seminar at UIB (Mallorca, 19 July 2006). - "Electron Correlation and Andreev States,"
Invited talk at APCTP Focus Program on Quantum Effects in Nanosystems II (Postech, 20-24 November 2006). - "Electron Correlation and Andreev States on a Kondo Quantum Dot Coupled to Superconductors,"
Invited talk at The 374th Wilhelm und Else Heraeus Seminar: Spin Physics of Superconducting Heterostructures, Physikzentrum (Bad Honnef, Germany, December 9-13, 2006). - "Quantum Information Processing with Semiclassical States in Superconducting Circuits,"
Seminar at ETH Zurich (Zurich in Switzerland, 20 Jan 2006). - "Quantum Information Processing with Semiclassical States in Superconducting Circuits,"
Seminar at Scuola Normale Superiore (Pisa in Italy, 12 Jan 2006). - "Entanglement of macroscopic ensembles of nuclear spins in quantum dots,"
Seminar at University of Islas Baleares (Mallorca in Spain, 27 Oct 2005). - "Entanglement of macroscopic ensembles of nuclear spins in quantum dots,"
Seminar at University of Paul Sabatier (Toulouse in France, 11 Oct 2005). - "Entanglement of macroscopic ensembles of nuclear spins in quantum dots,"
Seminar at University of Basel (Switzerland, 22 Sep 2005). - "Entanglement of macroscopic ensembles of nuclear spins in quantum dots,"
Invited talk at 2005 KIAS-KAIST Workshop on Quantum Information Science (Korea Institute for Advanced Study, 22--24 Aug 2005). - "Entanglement of macroscopic ensembles of nuclear spins in quantum dots,"
Invited talk at Croucher Advanced Study Institute on Science and Applications of Spin Electronics (The University of Hong Kong, 15--20 Aug 2005). - "Frequently Asked Questions about Quantum Computation and Quantum-State Engineering,"
Colloquium talk at Pusan National University (Pusan, 8 Apr 2005). - "SU(4) Kondo Effects in Carbon Nanotubes and Aharanov-Bohm Interferometers,"
Invited talk at The 9th Winter Workshop on Strongly Correlated Electron Systems (Phoenix Park, Korea, 15--19 Feb 2005). - "Superconducting Quantum Circuits: Quantum Information Processing\openline with Superconducting Circuits,"
Seminar at Korea Research Institute of Standard and Science (Daejeon, Korea, 02 Feb 2005). - "Single-Spin Detection with Magnetic Resonance Force Microscopy,"
Seminar at Korea Research Institute of Standard and Science (Daejeon, Korea, 31 Jan 2005). - "SU(4) Kondo Effects in Carbon Nanotubes and Aharanov-Bohm Interferometers,"
Seminar at Korea Institute for Advanced Study (KIAS) (Seoul, 23 Dec 2004). - "Dynamics and Decoherence in Quantum-Dot Spin Qubits,"
Invited talk at the Korean Magnetics Society Meeting / 5th Symposium on Electron Spin Science and Engineering (Yong Pyong, 09--11 Dec 2004). - "Spintronic Transport through a Quantum Dot in the Kondo Regime,"
Contributed talk at The 3rd International Conference on Physics and Applications of Spin-Related Phenomena in Semiconductors (PASPS III) (Santa Barbara, 21--23 July 2004). - "SU(4) Kondo Effects in Carbon Nanotubes,"
Invited talk at The 9th International Workshop on Similarity in Diversity (Daejeon, Korea, 17--19 June 2004). - "Theory of Quantum Linear Detectors,"
Invited talk at the QIS Workshop (KIAS, 17 May 2004). - "Kondo Effects in Quantum Dots Coupled to Ferromagnetic Leads,"
Seminar at University of Nebraska (Lincoln, 20 February 2004). - "Kondo Effects with Exotic Conduction Electrons,"
Seminar at CSCMR at Seoul National University (Seoul, 03 April 2004).Several more...
- "Kondo Effects with Exotic Conduction Electrons,"
Seminar at Chonnam National University (Gwangju, 06 November 2003). - "Kondo Effects with Exotic Conduction Electrons,"
Seminar at Korea Institute for Advanced Study (Seoul, 22 October 2003). - "Kondo Effects with Exotic Conduction Electrons,"
Seminar at Pohang University of Science and Technology (Pohang, 1 October 2003). - "Kondo Effects with Exotic Conduction Electrons,"
Seminar at Korea Research Institute of Standard and Science (Daejeon, 29 August 2003). - "Kondo Effects in Quantum Dots Coupled to Ferromagnetic Leads,"
Seminar at the QSRC at Dongguk University (Seoul, 17 October 2003). - "Kondo Effects in Quantum Dots Coupled to Ferromagnetic Leads,"
Seminar at University of Regensburg (Regensburg, Germany, 17 October 2003). - "Kondo Effects in Quantum Dots Coupled to Ferromagnetic Leads,"
Seminar at ETH Zurich (Zurich, Switzerland, 31 July 2003).Several more...
- "Geometric Quantum Computation on Solid-State Qubits,"
Seminar at Pohang University of Science and Technology (Pohang, Korea, 05 December 2001). - "Quantum Computation on Josephson Qubits,"
Invited talk at Korean Physical Society Meeting (Chonnam National University, Korea, 19 October 2001). - "Quantum Computation using Spins on Quantum Dots,"
Seminar at Korea Advanced Institute of Science and Technology (KAIST) (16 October 2001). - "Holonomic Quantum Computation on Solid-State Qubits,"
Seminar at Center for Theoretical Physics, Seoul National University (Seoul, Korea, 13 October 2001). - "Solid-State Implementations of Quantum Computation,"
Seminar at The Korea Research Institute of Standards and Science (KRISS) (Daejeon, Korea, 26 September 2001). - "Quantum Computation on Superconducting Circuits,"
Seminar at Inha University (Incheon, Korea, 20 September 2001). - "Quantum Compuation and Communication,"
Colloqium at Ewha Women's University (Seoul, Korea, 19 September 2001). - "Quantum Computation on Josephson Qubits,"
Invited talk at Workshop on Quantum Information (Chonan, Korea, 26--27 August 2001). - "Perfect Correlation/Anticorrelation of Currents in a Sliding Luttinger Liquid,"
Seminar at Korea Institute for Advanced Study (KIAS) (Seoul, Korea, 03 May 2001). - "Manipulation of Spin Entanglement Using Quantum Dots and Superconductors,"
Seminar at Dongguk University (Seoul, Korea, 17 Mar 2001). - "Spin-Dependent Josephson Current Through Double Quantum Dots and Measurement of Entangled Electron States,"
Contributed talk at Delft Conference (Quantum Dots and Nanoparticles) (Delft, The Netherlands, 14--15 April 2000). - "Spin-Dependent Josephson Current Through Double Quantum Dots and Measurement of Entangled Electron States,"
Contribute talk at International Symposium on Mesoscopic Superconductivity (MS2000), (NTT Basic Research Laboratories, Japan, 08--10 March 2000). - "Coherence and Interaction Effects in Superconducting Nanostructures,"
Seminar at Seoul National University (Seoul, Korea, 26 October 2000). - "Spin-Dependent Josephson Current Through Double Quantum Dots and Measurement of Entangled Electron States,"
Seminar at University of Catania (Catania, Italy, 25 Jan 2000). - "Excitonic Transport and Quantum Phase Transitions in Coupled Chains of Tunnel Junctions,"
Seminar at The Korea Research Institute of Standards and Science (Daejeon, Korea, 06 January 1999). - "Local Density of States in a Molecular Wire,"
Contribute talk at Swiss-US Forum on Nanoscience and Nanotechnology, (Zurich, Switzerland, 20--21 September 1999). - "Excitonic Transport and Quantum Phase Transitions in Coupled Chains of Tunnel Junctions,"
Contribute talk at The 5th CTP Workshop on Statistical Physics: Quantum Coherence in Mesoscopic and Macroscopic Systems (Center for Theoretical Physics, Seoul National University, Seoul, Korea, 16--19 December 1998). - "Finite-Temperature Crossovers in a Quantum Chain of Josephson-Junctions,"
Contribute talk at The Korean Physical Society Meeting (Chonbuk National University, Chonju, Korea, 23--24 October 1998). - "Fluctuation Effects on the Interaction of Two-Dimensional Vortices with Strong-Pinning Sites in High-Temperature Cuprates"
Contribute talk at The 8th Korean Conference on Material and Applications of Superconductivity (KCMAS), (Yong-Pyung, Korea, 19--21 August 1998). - "Cotunneling Transport and Quantum Phase Transitions in Coupled Josephson-Junction Chains with Charge Frustration",
Contribute talk at APCTP/ICTP Joint International Conference on Highlights in Condensed Matter Physics (APCTP, Seoul, 12--16 June 1998). - "Superfluid of Particle-Hole Pairs in Capacitively Coupled Josephson-Junction Chains",
Contribute talk at The KPS Meeting (Korea University, Seoul, Korea, 24--25 April 1998). - "Superfluid of Particle-Hole Pairs in Capacitively Coupled Josephson-Junction Chains",
Contribute talk at APCTP Winter Workshop on Strongly Correlated Systems (Phoenix Park, Korea, 10-14 February 1998). - "Quantum Phase Transitions and Quantum Dissipation: A Perspective on Macroscopic Quantum Phenomena by Examples in Josephson-Junction Arrays",
Invited talk at Pohang Winter School on Superconductivity (Postech, Korea, 4--9 February 1998). - "Quantum Dissipation of Vortices on Superconducting Arrays",
Contribute talk at APCTP Condensed Matter Summer School (Seoul, Korea, 26 June 1997).