Special Lecture “Education and Research of French University of Science and Technology” is presented by Dr. Jacek Kasprzak (CNRS-Grenoble) (3rd May 2024@Busan supported by BrainLink)

 Special Lecture “Education and Research in Oxford” is presented by Prof. Robert Taylor(University of Oxford) (5th April 2024@Busan supported by BrainLink)

Pioneer Symposium on Optical microscopy & Ultrafast spectroscopy of light-exciton interaction held at KPS-Autumn Meeting in a hybrid format (onsite/online). (25~27 October 2023 supported by BrainLink)

Korea-Oxford Joint Seminar held in Oxford for collaboration (26~30 June 2023 @Oxford supported by BrainLink)

Invited seminar “Coherence of Excitons in Semiconductor Nanostructures Context, Basics & Experiment” is presented by Dr.Jacek Kasprzak (CNRS-Grenoble) for a collaboration (10th April 2023@Busan supported by Global BK21+)

Invited seminar “Topology-driven effects in advanced nonoarchitectures” is presented by Prof. Vladimir M. Fomin (IFW-Dresden), and his volcano model is also discussed for a collaboration (13th November 2017@Busan supported by Global BK21+, CK & NRF)

 Special Lecture “An Introduction to Semiconductor Quantum Dot Laser Diodes” is presented by Prof. Le Si Dang (Institut Neel) (10th November 2017@Busan supported by Global BK21+)

 In collaboration with Prof. Michio Ikezawa at University of Tsukuba (10~24 July 2016), Seongho Park measures the coherence time of a localised state in a single quantum ring (supported by Global BK21+).  

 3rd International Workshop on Metal Droplet Epitaxy of Semiconductor Nanostructures (DeWork3) held in Jeju (27 May 2016).

 Intensive discussion with Prof. Jean-Claude Vial (CNRS-LiPhy) for two weeks (21 Nov ~5 Dec 2015), during which versatile expertise of physics, chemistry,  and bio-chemistry are integrated for nonlinear optical bio-imaging (supported by Global BK21+).  

Korea-Japan Joint Workshop on Ultrafast Nanophotonics held in Daejeon from 22 and 25 April 2015 as a Pioneering session of semiconductor division in the Korean Physical Society Spring Meeting, where senior members in the Korean semiconductor division also attend. (Noted names are for invited speakers & organizers, and the logo represents a superposition state of excited KPS & radiated JAP).  

Invited seminar “Topological effects in quantum rings” is presented by Prof. Vladimir M. Fomin (IFW-Dresden), and his volcano model is also discussed for a collaboration (12th February 2015@Busan supported by Global BK21+, CK & NRF)

5th Korean Physical Society-Chinese Physical Society Joint Forum on New Phase of Semiconductor Physics         (23-24 October @Gwangju)

Special Lecture “Optics of Exciton” is presented by Prof. Le Si Dang (Institut Néel) for the Graduates of Cogno-mechatronics (27th October 2014@Busan supported by Global BK21+) 

4th Korean-German-French Workshop on Nano-photonics (12-16 Oct. 2014 @Gangneung),

where Chinese Groups also participated. 

Invited seminar “Evidence for the fractional Aharonov-Bohm effect in InAs/GaAs quantum dots and quantum dot molecules” is presented by Dr. Peter Spencer (Imperial College), where Prof. Jongsu Kim (Yeungnam Univ.) also attends for discussion  (28th August 2014@Busan supported by NRF)

Invited seminar “Super-fluorescence from magnetically formed quantum dots: creating coherence for superlaser emission” is presented by Prof. Young-Dhal Jho (GIST), where Prof. Le Si Dang (Institut Néel), also attends for discussion (18th February 2014@Busan supported by NRF) 

Special Lecture “What can we learn from LO-phonon sidebands?” is presented by Prof. Le Si Dang (Institut Néel), where Prof. K. S. Yi (PNU) also attends for discussion (17th February 2014@Busan supported by Global BK21+) 

Dinner after full day discussion on spin, lasing, coherence, nonlinearity in multiple nanostructures,

where the menu of Korean-style grilled pork belly is also multi-layered. (12th July 2013@Busan)  

The 2nd WCU Interdisciplinary Workshop on Nonlinear Optical Imaging and Ultrafast Spectroscopy of Bio & Nano Systems, organized by new sub-group of Real-time Integrated Optical Imaging in extended Graduate School of Cogno-Mechatronics. (8th July 2013)

In collaboration with Grenoble NPSC joint group (Institut Néel-CNRS/Univ. Joseph Fourier/Institute for Nanoscience and Cryogenics-CEA) supported by NRF & CNRS (SEP 2011~AUG 2012).

In collaboration with Prof. Akihiro Murayama in Hokkaido Univ. 2010 supported by  BrainKorea-21 + Global COE program & JST-CREST

Summer Intensive nano courses in Busan 2009

Korea-Japan international workshop in Kyoto 2008