Browse by Current Cardiff authors

Ratiu, Bogdan-Petrin, Wang, Ji Tong, Netherwood, Kyle, Grieb, Tim, Rosenauer, Andreas, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Panoiu, Nicolae-Coriolan and Li, Qiang ORCID: https://orcid.org/0000-0002-5257-7704 2025. Vortex beam lasing from III-V nanowires epitaxially grown on silicon-on-insulator. Laser and Photonics Reviews , e01297. 10.1002/lpor.202501297

Wong, Stephan, Cerjan, Alexander, Makris, Konstantinos, Khajavikhan, Mercedeh, Christodoulides, Demetrios and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2025. Nonlinear topological photonics: capturing nonlinear dynamics and optical thermodynamics. ACS Photonics 12 (5) , pp. 2291-2303. 10.1021/acsphotonics.4c02430

Park, Haedong, Ghatak, Ananya and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2025. Non-Abelian topological charge of photons in periodic/non-periodic media and non-Hermitian systems. Advances in Physics: X 10 (1) , 2477693. 10.1080/23746149.2025.2477693

Temu, Balthazar, Yan, Zhao, Ratiu, Bogdan-Petrin, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Li, Qiang ORCID: https://orcid.org/0000-0002-5257-7704 2024. Room temperature lasing from InGaAs quantum well nanowires on silicon-on-insulator substrates. Applied Physics Letters 125 (22) , 223501. 10.1063/5.0237589

Alharbi, Ghada, Wong, Stephan, Gong, Yongkang and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2024. Asymmetrical temporal dynamics of edge modes in Su-Schrieffer-Heeger lattice with Kerr nonlinearity. Physical Review Research 6 , L042013. 10.1103/PhysRevResearch.6.L042013

Ahmad, Zeeshan, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Muljarov, Egor ORCID: https://orcid.org/0000-0002-2878-4148 2024. Transverse-electric surface plasmon polaritons in periodically modulated graphene. Physical Review Research 6 , 023185. 10.1103/PhysRevResearch.6.023185

Park, Haedong, Jones, Alexander, Kim, Minkyung and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2024. Topological phase transition and surface states in a non-Abelian charged nodal line photonic crystal. Nanophotonics 13 (7) , pp. 1079-1089. 10.1515/nanoph-2023-0906

Park, Haedong, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Lee, Seungwoo 2024. Surface potential-adjusted surface states in 3D topological photonic crystals. Scientific Reports 14 (1) , 7173. 10.1038/s41598-024-56894-6

Ratiu, Bogdan, Temu, Balthazar, Messina, Cristian, Abouzaid, Oumaima, Rihani, Samir, Berry, Graham, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Li, Qiang ORCID: https://orcid.org/0000-0002-5257-7704 2023. Curved InGaAs nanowire array lasers grown directly on silicon-on-insulator. Optics Express 31 (22) , pp. 36668-36676. 10.1364/OE.499696

Thurn, Andreas, Bissinger, Jochen, Meinecke, Stefan, Schmiedeke, Paul, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Chow, Weng W., Lüdge, Kathy, Koblmüller, Gregor and Finley, Jonathan J. 2023. Self-induced ultrafast electron-hole-plasma temperature oscillations in nanowire lasers. Physical Review Applied 20 , 034045. 10.1103/PhysRevApplied.20.034045

Wong, Stephan, Olthaus, Jan, Bracht, Thomas K., Reiter, Doris E. and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2023. A machine learning approach to drawing phase diagrams of topological lasing modes. Communications Physics 6 (1) , 104. 10.1038/s42005-023-01230-z

Messina, Cristian, Gong, Yongkang, Abouzaid, Oumaima, Ratiu, Bogdan-Petrin, Grieb, Tim, Yan, Zhao, Rosenauer, Andreas, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Li, Qiang ORCID: https://orcid.org/0000-0002-5257-7704 2023. Deformed honeycomb lattices of InGaAs nanowires grown on silicon-on-insulator for photonic crystal surface-emitting lasers. Advanced Optical Materials 11 (5) , 2201809. 10.1002/adom.202201809

Olthaus, Jan, Sohr, Maximilian, Wong, Stephan, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Reiter, Doris E. 2023. Modelling spatio-temporal dynamics of chiral coupling of quantum emitters to light fields in nanophotonic structures. Physical Review A 107 , 023502. 10.1103/PhysRevA.107.023502

Park, Haedong, Gao, Wenlong, Zhang, Xiao and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 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, Haedong, Wong, Stephan, Bouhan, Adrien, Slager, Robert-Jan and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2022. Topological phase transitions of non-Abelian charged nodal lines in spring-mass systems. Physical Review B (Condensed Matter) 105 (21) , 214108. 10.1103/PhysRevB.105.214108

Gong, Yongkang, Messina, Cristian, Wong, Stephan, Abouzaid, Oumaima, Ratiu, Bogdan-Petrin, Li, Qiang ORCID: https://orcid.org/0000-0002-5257-7704 and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 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 2022. Conference on Lasers and Electro-Optics. Technical Digest Series San Jose, US: Optica Publishing Group, 10.1364/CLEO_QELS.2022.FF2C.1

Park, Haedong and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2022. Sign freedom of non-abelian topological charges in phononic and photonic topological semimetals. New Journal of Physics 24 (5) , 053042. 10.1088/1367-2630/ac6ca3

Kim, Yeongha, Wong, Stephan, Seo, Changwon, Yoon, Jeong Hoon, Choi, Gwan Hyun, Olthaus, Jan, Reiter, Doris E., Kim, Jeongyong, Kim, Teun-Teun, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Gi-Ra, Yi 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, Stephan and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2022. Erratum: Topological bulk lasing modes using an imaginary gauge field [Phys. Rev. Research 3, 033042 (2021)]. Physical Review Research 4 (1) , 019001. 10.1103/PhysRevResearch.4.019001

Park, Haedong, Jo, Seungyun, Kang, Byungsoo, Hur, Kahyun, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Ryu, Du Yeol and Lee, Seungwoo 2022. Block copolymer gyroids for nanophotonics: significance of lattice transformations. Nanophotonics 11 (11) , pp. 2583-2615. 10.1515/nanoph-2021-0644

Yang, Jin-Kyu, Hwang, Yongsop and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Evolution of topological edge modes from honeycomb photonic crystals to triangular-lattice photonic crystals. Physical Review Research 3 (2) , L022025. 10.1103/PhysRevResearch.3.L022025

Park, Haedong, Wong, Stephan, Zhang, Xiao and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Non-abelian charged nodal links in a dielectric photonic crystal. ACS Photonics 8 (9) , pp. 2746-2754. 10.1021/acsphotonics.1c00876

Ahmad, Zeeshan, Muljarov, Egor ORCID: https://orcid.org/0000-0002-2878-4148 and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Extended frequency range of transverse-electric surface plasmon polaritons in graphene. Physical Review B (Condensed Matter) 104 , 085426. 10.1103/PhysRevB.104.085426

Wong, Stephan and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Topological bulk lasing modes using an imaginary gauge field. Physical Review Research 3 (3) , 033042. 10.1103/PhysRevResearch.3.033042

Gong, Yongkang, Guo, Liang, Wong, Stephan, Bennett, Anthony J. ORCID: https://orcid.org/0000-0002-5386-3710 and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Tailoring topological edge states with photonic crystal nanobeam cavities. Scientific Reports 11 , 1055. 10.1038/s41598-020-79915-6

Gong, Yongkang, Li, Kang, Copner, Nigel, Liu, Heng, Zhao, Meng, Zhang, Bo, Pusch, Andreas, Huffaker, Diana L. ORCID: https://orcid.org/0000-0001-5946-4481 and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2021. Integrated and spectrally selective thermal emitters enabled by layered metamaterials. Nanophotonics 10 (4) , pp. 1285-1293. 10.1515/nanoph-2020-0578

Gong, Yongkang, Wong, Stephan, Bennett, Anthony J. ORCID: https://orcid.org/0000-0002-5386-3710, Huffaker, Diana L. ORCID: https://orcid.org/0000-0001-5946-4481 and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2020. Topological insulator laser using valley-hall photonic crystals. ACS Photonics 7 (8) , pp. 2089-2097. 10.1021/acsphotonics.0c00521

Wong, Stephan, Saba, Matthias, Hess, Ortwin and Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 2020. Gapless unidirectional photonic transport using all-dielectric kagome lattices. Physical Review Research 2 (1) , 012011(R). 10.1103/PhysRevResearch.2.012011

Saba, Matthias, Wong, Stephan, Elman, Mathew, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Hess, Ortwin 2020. Nature of topological protection in photonic spin and valley Hall insulators. Physical Review B 101 (5) , 054307. 10.1103/PhysRevB.101.054307

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Lang, Ben, Beggs, Daryl M. ORCID: https://orcid.org/0000-0002-2231-7514, Huffaker, Diana L. ORCID: https://orcid.org/0000-0001-5946-4481, Saba, Matthias and Hess, Ortwin 2019. Chiral light-matter interaction in dielectric photonic topological insulators. Presented at: CLEO Pacific Rim Conference 2018, Hong Kong, China, 29 Jul - 3 Aug 2018. CLEO Pacific Rim Conference 2018. OSA Technical Digest. , vol.Th4H OSA publishing, Th4H.5. 10.1364/CLEOPR.2018.Th4H.5

Kerber, R. M., Fitzgerald, J. M., Oh, S. S. ORCID: https://orcid.org/0000-0003-3093-7016, Reiter, D. E. and Hess, O. 2018. Orbital angular momentum dichroism in nanoantennas. Communications Physics 1 (1) , 87. 10.1038/s42005-018-0088-2

Kerber, R. M., Fitzgerald, J. M., Xiao, X., Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, 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 , 095005. 10.1088/1367-2630/aae105

Bittner, Stefan, Guazzotti, Stefano, Zeng, Yongquan, Hu, Xiaonan, Ylmaz, Hasan, Kim, Kyungduk, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Wang, Qi Jie, Hess, Ortwin and Cao, Hui 2018. Suppressing spatiotemporal lasing instabilities with wave-chaotic microcavities. Science 361 (6408) , pp. 1225-1231. 10.1126/science.aas9437

Kim, Teun-Teun, Kim, Hyeon-Don, Zhao, Rongkuo, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Ha, Taewoo, Chung, Dong Seob, Lee, Young Hee, Min, Bumki and Zhang, Shuang 2018. Electrically tunable slow light using graphene metamaterials. ACS Photonics 5 (5) , pp. 1800-1807. 10.1021/acsphotonics.7b01551

Kim, Minkyung, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Hess, Ortwin and Rho, Junsuk 2018. Frequency-domain modelling of gain in pump-probe experiment by an inhomogeneous medium. Journal of Physics: Condensed Matter 30 (6) , 064003. 10.1088/1361-648X/aaa473

Kim, Teun-Teun, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kim, Hyeon-Don, Park, Hyun Sung, Hess, Ortwin, Min, Bumki and Zhang, Shuang 2017. Electrical access to critical coupling of circularly polarized waves in graphene chiral metamaterials. Science Advances 3 (9) , e1701377. 10.1126/sciadv.1701377

Kerber, Richard M., Fitzgerald, Jamie M., Reiter, Doris E., Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Hess, Ortwin 2017. Reading the orbital angular momentum of light using plasmonic nanoantennas. ACS Photonics 4 (4) , pp. 891-896. 10.1021/acsphotonics.6b00980

Choi, Hyun Joo, Baek, In Hyung, Kang, Bong Joo, Kim, Hyeon-Don, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Hamm, Joachim M., Pusch, Andreas, Park, Jagang, Lee, Kanghee, Son, Jaehyeon, Jeong, Young U. K., Hess, Ortwin, Rotermund, Fabian and Min, Bumki 2017. Control of terahertz nonlinear transmission with electrically gated graphene metadevices. Scientific Reports 7 , 42833. 10.1038/srep42833

Baek, I. H., Hamm, J. M., Ahn, K. J., Kang, B. J., Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Bae, S., Choi, S. Y., Hong, B. H., Yeom, D-I, Min, B., Hess, O., Jeong, Y. U. and Rotermund, F. 2017. Boosting the terahertz nonlinearity of graphene by orientation disorder. 2D Materials 4 (2) , 025035. 10.1088/2053-1583/aa5c64

Pusch, Andreas, De Luca, Andrea, Oh, Sang S. ORCID: https://orcid.org/0000-0003-3093-7016, Wuestner, Sebastian, Roschuk, Tyler, Chen, Yiguo, Boual, Sophie, Ali, Zeeshan, Phillips, Chris C., Hong, Minghui, Maier, Stefan A., Udrea, Florin, Hopper, Richard H. and Hess, Ortwin 2015. A highly efficient CMOS nanoplasmonic crystal enhanced slow-wave thermal emitter improves infrared gas-sensing devices. Scientific Reports 5 , 17451. 10.1038/srep17451

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Hess, Ortwin 2015. Chiral metamaterials: enhancement and control of optical activity and circular dichroism. Nano Convergence 2 (24) 10.1186/s40580-015-0058-2

Yudistira, Hadi Teguh, Tenggara, Ayodya Pradhipta, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Nguyen, VuDat, Choi, Muhan, Choi, Choon-Gi and Byun, Doyoung 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) , 045006. 10.1088/0960-1317/25/4/045006

Kim, Seong-Han, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kim, Kap-Joong, Kim, Jae-Eun, Park, Hae Yong, Hess, Ortwin and Kee, Chul-Sik 2015. Subwavelength localization and toroidal dipole moment of spoof surface plasmon polaritons. Physical Review B 91 (3) , 035116. 10.1103/PhysRevB.91.035116

Kim, Teun-Teun, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Park, Hyun-Sung, Zhao, Rongkuo, Kim, Seong-Han, Choi, Wonjune, Min, Bumki and Hess, Ortwin 2014. Optical activity Enhanced by strong inter-molecular coupling in planar chiral metamaterials. Scientific Reports 4 (1) , 5864. 10.1038/srep05864

Salvatore, Stefano, Demetriadou, Angela, Vignolini, Silvia, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Wuestner, Sebastian, Yufa, Nataliya A., Stefik, Morgan, Wiesner, Ulrich, Baumberg, Jeremy J., Hess, Ortwin and Steiner, Ullrich 2013. Tunable 3D extended self-assembled gold metamaterials with enhanced light transmission. Advanced Materials 25 (19) , pp. 2713-2716. 10.1002/adma.201300193

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Demetriadou, Angela, Wuestner, Sebastian and Hess, Ortwin 2013. On the origin of chirality in nanoplasmonic gyroid metamaterials. Advanced Materials 25 (4) , p. 612. 10.1002/adma.201202788

Demetriadou, Angela, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Wuestner, Sebastian and Hess, Ortwin 2012. A tri-helical model for nanoplasmonic gyroid metamaterials. New Journal of Physics 14 (8) , 083032. 10.1088/1367-2630/14/8/083032

Kim, Seong-Han, Kim, Teun-Teum, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kim, Jae-Eun, Park, Hae Yong and Kee, Chul-Sik 2011. Experimental demonstration of self-collimation of spoof surface plasmons. Physical Review B: Condensed Matter and Materials Physics 83 (16) , 165109. 10.1103/PhysRevB.83.165109

Jin Hyun, Woo, Ken Lee, Hang, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Hess, Ortwin, Choi, Choon-Gi, Hyuk Im, Sang and Park, O Ok 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

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Choi, Choon-Gi and Kim, Young-Sung 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, Young Hun, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kim, Young-Sung and Choi, Choon-Gi 2010. Fabrication of antireflection nanostructures by hybrid nano-patterning lithography. Microelectronic Engineering 87 (2) , pp. 125-128. 10.1016/j.mee.2009.06.006

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Choi, Choon-Gi 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

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016 and Choi, Choon-Gi 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

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Lee, Sun-Goo, Kim, Jae-Eun and Park, Hae Yong 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

Choi, Hyoung-Gyu, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Lee, Sun-Gu, Kim, Myeong-Woo, Kim, Jae-Eun, Park, Hae Yong and Kee, Chul-Sik 2006. Coupling characteristics of surface modes in truncated two-dimensional photonic crystals. Journal of Applied Physics 100 (12) , 123105. 10.1063/1.2401282

Lee, Sun-Goo, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kim, Jae-Eun, Park, Hae Yong and Kee, Chul-Sik 2005. Line-defect-induced bending and splitting of self-collimated beams in two-dimensional photonic crystals. Applied Physics Letters 87 (18) , 181106. 10.1063/1.2112186

Kee, Chul-Sik, Han, Sang-Pil, Yoon, Keun Byoung, Choi, Choon-Gi, Sung, Hee Kyung, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Park, Hae Yong, Park, Sunggook and Schift, Helmut 2005. Photonic band gaps and defect modes of polymer photonic crystal slabs. Applied Physics Letters 86 (5) , 051101. 10.1063/1.1857069

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kee, Chul-Sik, Kim, Jae-Eun, Park, Hae Yong, Kim, Tae Il, Park, Ikmo and Lim, H. 2000. Duplexer using microwave photonic band gap structure. Applied Physics Letters 76 (16) , 2301. 10.1063/1.126326

Kee, Chul-Sik, Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Chang, K. J., Kim, Jae-Eun, Park, Hae Yong and Lee, Keun-Ho 1999. Thermal properties of a photon gas in photonic crystals. Physical Review B 60 (15) , 10573. 10.1103/PhysRevB.60.10573