Dr Sang Soon Oh
Sêr Cymru Rising Star Fellow
Advanced Materials and Devices - Sêr Cymru Research Group
Condensed Matter and Photonics Group
- ohs2@cardiff.ac.uk
- +44 (0)29 2251 0184
- N/3.15, Queen's Buildings - North Building, 5 The Parade, Newport Road, Cardiff, CF24 3AA
- Available for postgraduate supervision
Overview
I am Sêr Cymru II Rising Star fellow in the School of Physics and Astronomy in Cardiff University since November 2017. My expertise is in the theory and simulations of photonic topological insulators, photonic crystals, semiconductor chaotic lasers, light-matter interaction in plasmonic systems and graphene chiral metamaterials. In Cardiff, I have been working on both theory and experiments on semiconductor lasers based on photonic topological insulator.
Currently, I lead a research group (2 PDRA, 4 PhD students) on topological photonics with a focus on the theoretical study on topological phases in photonics.
For the details of my research and news from my group, please visit the Topological Photonics Resaerch group web page.
Biography
Sang Soon Oh received a PhD degree in Physics from Korea Advanced Institute of Science and Technology (KAIST) in South Korea (2007). During his PhD course, he visited University of St. Andrews in Scotland (2004-2005). After a post-doctoral fellowship at Electronics Telecommunications Research Institute (ETRI) in South Korea (2007-2010), he joined the Department of Physics at University of Surrey, UK as a postdoc (2010) and moved to the Condensed Matter Theory (CMTH) Group in the Department of Physics and Optical Semiconductor Device (OSD) Group in Electrical and Electronics Engineering Department at Imperial College London. In 2017, he joined the Institute for Compound Semiconductors at Cardiff University as a Rising Star Fellow.
- Guest editor of Special Issue: Selected Papers from Semiconductor and Integrated Optoelectronics (SIOE) 2019
- Reviewer in >30 journals including Nature Physics, Nature Communications, Physical Review Letters, Physical Reivew B, Physical Reivew E, Nano Letters, Light: Science and Applications, ACS Photonics, Scientific Reports, Optics Letters, Optics Express and Optics Communications
- Member of EPSRC UK Metamaterials Network (starting in March 2021)
Publications
2023
- Messina, C. et al. 2023. Deformed honeycomb lattices of InGaAs nanowires grown on silicon-on-insulator for photonic crystal surface-emitting lasers. Advanced Optical Materials 11(5), article number: 2201809. (10.1002/adom.202201809)
- Olthaus, J., Sohr, M., Wong, S., Oh, S. S. and Reiter, D. E. 2023. Modelling spatio-temporal dynamics of chiral coupling of quantum emitters to light fields in nanophotonic structures. Physical Review A 107, article number: 23502. (10.1103/PhysRevA.107.023502)
2022
- Park, H., Gao, W., Zhang, X. and Oh, S. S. 2022. Nodal lines in momentum space: topological invariants and recent realizations in photonic and other systems. Nanophotonics 11(11), pp. 2779-2801. (10.1515/nanoph-2021-0692)
- Park, H., Wong, S., Bouhan, A., Slager, R. and Oh, S. S. 2022. Topological phase transitions of non-Abelian charged nodal lines in spring-mass systems. Physical Review B (Condensed Matter) 105(21), article number: 214108. (10.1103/PhysRevB.105.214108)
- Gong, Y., Messina, C., Wong, S., Abouzaid, O., Ratiu, B., Li, Q. and Oh, S. S. 2022. Topological lasers with epitaxially grown InGaAs nanowires on a SOI substrate. Presented at: Conference on Lasers and Electro-Optics, QELS_Fundamental Science 2022, San Jose, US, 15–20 May 2022Conference on Lasers and Electro-Optics. Technical Digest Series San Jose, US: Optica Publishing Group, (10.1364/CLEO_QELS.2022.FF2C.1)
- Park, H. and Oh, S. S. 2022. Sign freedom of non-abelian topological charges in phononic and photonic topological semimetals. New Journal of Physics 24(5), article number: 53042. (10.1088/1367-2630/ac6ca3)
- Kim, Y. et al. 2022. Self-assembled honeycomb lattices of dielectric colloidal nanospheres featuring photonic Dirac cones. ACS Applied Nano Material 5(3), pp. 3386-3393. (10.1021/acsanm.1c03986)
- Wong, S. and Oh, S. S. 2022. Erratum: Topological bulk lasing modes using an imaginary gauge field [Phys. Rev. Research 3, 033042 (2021)]. Physical Review Research 4(1), article number: 19001. (10.1103/PhysRevResearch.4.019001)
- Park, H., Jo, S., Kang, B., Hur, K., Oh, S. S., Ryu, D. Y. and Lee, S. 2022. Block copolymer gyroids for nanophotonics: significance of lattice transformations. Nanophotonics 11(11), pp. 2583-2615. (10.1515/nanoph-2021-0644)
2021
- Yang, J., Hwang, Y. and Oh, S. S. 2021. Evolution of topological edge modes from honeycomb photonic crystals to triangular-lattice photonic crystals. Physical Review Research 3(2), article number: L022025. (10.1103/PhysRevResearch.3.L022025)
- Park, H., Wong, S., Zhang, X. and Oh, S. S. 2021. Non-abelian charged nodal links in a dielectric photonic crystal. ACS Photonics 8(9), pp. 2746-2754. (10.1021/acsphotonics.1c00876)
- Ahmad, Z., Muljarov, E. and Oh, S. S. 2021. Extended frequency range of transverse-electric surface plasmon polaritons in graphene. Physical Review B (Condensed Matter) 104, article number: 85426. (10.1103/PhysRevB.104.085426)
- Wong, S. and Oh, S. S. 2021. Topological bulk lasing modes using an imaginary gauge field. Physical Review Research 3(3), article number: 33042. (10.1103/PhysRevResearch.3.033042)
- Gong, Y., Guo, L., Wong, S., Bennett, A. J. and Oh, S. S. 2021. Tailoring topological edge states with photonic crystal nanobeam cavities. Scientific Reports 11, article number: 1055. (10.1038/s41598-020-79915-6)
- Gong, Y. et al. 2021. Integrated and spectrally selective thermal emitters enabled by layered metamaterials. Nanophotonics 10(4), pp. 1285-1293. (10.1515/nanoph-2020-0578)
2020
- Gong, Y., Wong, S., Bennett, A. J., Huffaker, D. L. and Oh, S. S. 2020. Topological insulator laser using valley-hall photonic crystals. ACS Photonics 7(8), pp. 2089-2097. (10.1021/acsphotonics.0c00521)
- Wong, S., Saba, M., Hess, O. and Oh, S. S. 2020. Gapless unidirectional photonic transport using all-dielectric kagome lattices. Physical Review Research 2(1), article number: 012011(R). (10.1103/PhysRevResearch.2.012011)
- Saba, M., Wong, S., Elman, M., Oh, S. S. and Hess, O. 2020. Nature of topological protection in photonic spin and valley Hall insulators. Physical Review B 101(5), article number: 54307. (10.1103/PhysRevB.101.054307)
2019
- Oh, S. S., Lang, B., Beggs, D. M., Huffaker, D. L., Saba, M. and Hess, O. 2019. Chiral light-matter interaction in dielectric photonic topological insulators. Presented at: CLEO Pacific Rim Conference 2018, Hong Kong, China, 29 Jul - 3 Aug 2018CLEO Pacific Rim Conference 2018, Vol. Th4H. OSA publishing pp. Th4H.5., (10.1364/CLEOPR.2018.Th4H.5)
2018
- Kerber, R. M., Fitzgerald, J. M., Oh, S. S., Reiter, D. E. and Hess, O. 2018. Orbital angular momentum dichroism in nanoantennas. Communications Physics 1(1), article number: 87. (10.1038/s42005-018-0088-2)
- Kerber, R. M., Fitzgerald, J. M., Xiao, X., Oh, S. S., Maier, A. A., Giannini, V. and Reiter, D. E. 2018. Interaction of an Archimedean spiral structure with orbital angular momentum light. New Journal of Physics 20, article number: 95005. (10.1088/1367-2630/aae105)
- Bittner, S. et al. 2018. Suppressing spatiotemporal lasing instabilities with wave-chaotic microcavities. Science 361(6408), pp. 1225-1231. (10.1126/science.aas9437)
- Kim, T. et al. 2018. Electrically tunable slow light using graphene metamaterials. ACS Photonics 5(5), pp. 1800-1807. (10.1021/acsphotonics.7b01551)
- Kim, M., Oh, S. S., Hess, O. and Rho, J. 2018. Frequency-domain modelling of gain in pump-probe experiment by an inhomogeneous medium. Journal of Physics: Condensed Matter 30(6), pp. 64003. (10.1088/1361-648X/aaa473)
2017
- Kim, T., Oh, S. S., Kim, H., Park, H. S., Hess, O., Min, B. and Zhang, S. 2017. Electrical access to critical coupling of circularly polarized waves in graphene chiral metamaterials. Science Advances 3(9), article number: e1701377. (10.1126/sciadv.1701377)
- Kerber, R. M., Fitzgerald, J. M., Reiter, D. E., Oh, S. S. and Hess, O. 2017. Reading the orbital angular momentum of light using plasmonic nanoantennas. ACS Photonics 4(4), pp. 891-896. (10.1021/acsphotonics.6b00980)
- Choi, H. J. et al. 2017. Control of terahertz nonlinear transmission with electrically gated graphene metadevices. Scientific Reports 7, article number: 42833. (10.1038/srep42833)
- Baek, I. H. et al. 2017. Boosting the terahertz nonlinearity of graphene by orientation disorder. 2D Materials 4(2), article number: 25035. (10.1088/2053-1583/aa5c64)
2015
- Pusch, A. et al. 2015. A highly efficient CMOS nanoplasmonic crystal enhanced slow-wave thermal emitter improves infrared gas-sensing devices. Scientific Reports 5, article number: 17451. (10.1038/srep17451)
- Oh, S. S. and Hess, O. 2015. Chiral metamaterials: enhancement and control of optical activity and circular dichroism. Nano Convergence 2(24) (10.1186/s40580-015-0058-2)
- Yudistira, H. T., Tenggara, A. P., Oh, S. S., Nguyen, V., Choi, M., Choi, C. and Byun, D. 2015. High-resolution electrohydrodynamic jet printing for the direct fabrication of 3D multilayer terahertz metamaterial of high refractive index. Journal of Micromechanics and Microengineering 25(4), article number: 45006. (10.1088/0960-1317/25/4/045006)
- Kim, S., Oh, S. S., Kim, K., Kim, J., Park, H. Y., Hess, O. and Kee, C. 2015. Subwavelength localization and toroidal dipole moment of spoof surface plasmon polaritons. Physical Review B 91(3), article number: 35116. (10.1103/PhysRevB.91.035116)
2014
- Kim, T. et al. 2014. Optical activity Enhanced by strong inter-molecular coupling in planar chiral metamaterials. Scientific Reports 4(1), article number: 5864. (10.1038/srep05864)
2013
- Salvatore, S. et al. 2013. Tunable 3D extended self-assembled gold metamaterials with enhanced light transmission. Advanced Materials 25(19), pp. 2713-2716. (10.1002/adma.201300193)
- Oh, S. S., Demetriadou, A., Wuestner, S. and Hess, O. 2013. On the origin of chirality in nanoplasmonic gyroid metamaterials. Advanced Materials 25(4), pp. 612. (10.1002/adma.201202788)
2012
- Demetriadou, A., Oh, S. S., Wuestner, S. and Hess, O. 2012. A tri-helical model for nanoplasmonic gyroid metamaterials. New Journal of Physics 14(8), article number: 83032. (10.1088/1367-2630/14/8/083032)
2011
- Jin Hyun, W., Ken Lee, H., Oh, S. S., Hess, O., Choi, C., Hyuk Im, S. and Park, O. O. 2011. Two-dimensional TiO2 inverse opal with a closed top surface structure for enhanced light extraction from polymer light-emitting diodes. Advanced Materials 23(16), pp. 1846-1850. (10.1002/adma.201004660)
- Kim, S., Kim, T., Oh, S. S., Kim, J., Park, H. Y. and Kee, C. 2011. Experimental demonstration of self-collimation of spoof surface plasmons. Physical Review B: Condensed Matter and Materials Physics 83(16), article number: 165109. (10.1103/PhysRevB.83.165109)
2010
- Oh, S. S., Choi, C. and Kim, Y. 2010. Fabrication of micro-lens arrays with moth-eye antireflective nanostructures using thermal imprinting process. Microelectronic Engineering 87(11), pp. 2328-2331. (10.1016/j.mee.2010.03.012)
- Kang, Y. H., Oh, S. S., Kim, Y. and Choi, C. 2010. Fabrication of antireflection nanostructures by hybrid nano-patterning lithography. Microelectronic Engineering 87(2), pp. 125-128. (10.1016/j.mee.2009.06.006)
2009
- Oh, S. S. and Choi, C. 2009. Photonic-crystal-slab-type guided mode resonance filters in infrared range. IEEE Photonics Technology Letters 21(5), pp. 316-318. (10.1109/LPT.2008.2011137)
2008
- Oh, S. S. and Choi, C. 2008. Photonic-crystal-type infrared filters for gas sensors. Journal of the Korean Physical Society 53(3), pp. 1671-1674. (10.3938/jkps.53.1671)
2007
- Oh, S. S., Lee, S., Kim, J. and Park, H. Y. 2007. Self-collimation phenomena of surface waves in structured perfect electric conductors and metal surfaces. Optics Express 15(3), pp. 1205-1210. (10.1364/OE.15.001205)
2006
- Choi, H., Oh, S. S., Lee, S., Kim, M., Kim, J., Park, H. Y. and Kee, C. 2006. Coupling characteristics of surface modes in truncated two-dimensional photonic crystals. Journal of Applied Physics 100(12), article number: 123105. (10.1063/1.2401282)
2005
- Lee, S., Oh, S. S., Kim, J., Park, H. Y. and Kee, C. 2005. Line-defect-induced bending and splitting of self-collimated beams in two-dimensional photonic crystals. Applied Physics Letters 87(18), article number: 181106. (10.1063/1.2112186)
- Kee, C. et al. 2005. Photonic band gaps and defect modes of polymer photonic crystal slabs. Applied Physics Letters 86(5), article number: 51101. (10.1063/1.1857069)
2000
- Oh, S. S., Kee, C., Kim, J., Park, H. Y., Kim, T. I., Park, I. and Lim, H. 2000. Duplexer using microwave photonic band gap structure. Applied Physics Letters 76(16), article number: 2301. (10.1063/1.126326)
1999
- Kee, C., Oh, S. S., Chang, K. J., Kim, J., Park, H. Y. and Lee, K. 1999. Thermal properties of a photon gas in photonic crystals. Physical Review B 60(15), article number: 10573. (10.1103/PhysRevB.60.10573)
Teaching
- PX3315: Physics Project for Year 3 undergraduate students on "Nanowire Quantum Emitters"
- PX4133: Deputy Module Organiser of Modern Quantum Optics (21/22, 22/23)
- PX2131: Deputy Module Organiser of The Physics of Fields and Flows (22/23)
- Physics seminar organiser since January 2018. List of talks
My research background is theoretical electromangetism in composite materials such as analytical and numerical modelling of chiral metamaterials, active metamaterials and graphene metamaterials. Current interest includes photonics topological insulators and chaotic semiconductor lasers. With the Rising Star felloswship funded by the Welsh goverement, I am focusing on delveloping a photonic topological insulator laser using III-V semiconductor nanowires.
- Ser Cymu Rising Star fellowship, "Photonic Topological Insulator Semiconductor Laser and One-Way Photonics" (The Welsh goverment and the ERDF, £983K, approx. 5 years from December 2017 to October 2022)
Currently I am leading a team of 1 postdocs (Dr Haedong Park) and 3 PhD students (Stephan Wong, Zeeshan Ahmad, Ghada Alharbi, Joe Mahoney). Potential candidates for PhD studentships (EPSRC, other governement funded or self-funded etc.) and fellowships (Leverhulme fellowship, etc.) will be welcome to contact me.
Supervision
I am interested in supervising PhD students in the areas of
- Topological physics (photonics, plasmonics)
- Theoretical electromagnetism (analytical and numerical modelling)
- Nonlinear and dynamic effects in semiconductor lasers (chaos, nonuniform gain effect)
- Modelling optical property of 2D materials
Currently I am supervising 4 research students as a main supervisor (see below) and 3 research students (Annie Matthew, Shaikhah Almousa, Cristian Messina) as a co-supervisor. Former visiting PhD students: Jochen Bissinger from Technical University of Munich and Jan Olthaus from Münster University.
Alumni
