References
- P. U. Jepsen, D. G. Cooke, and M. Koch, "Terahertz spectroscopy and imaging: Modern techniques and applications," Laser Photon. Rev. 5, 124-166 (2011). https://doi.org/10.1002/lpor.201000011
- M. Tonouchi, "Cutting-edge terahertz technology," Nat. Photonics 1, 97-105 (2007). https://doi.org/10.1038/nphoton.2007.3
- X. Yang, X. Zhao, K. Yang, Y. Liu, W. Fu, and Y. Luo, "Biomedical applications of terahertz spectroscopy and imaging," Trends Biotech. 34, 810-824 (2016). https://doi.org/10.1016/j.tibtech.2016.04.008
- H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, "Simple and cost-effective thickness measurement terahertz system based on a compact 1.55 ㎛ λ/4 phase-shifted dual-mode laser," Opt. Express 20, 25990-25999 (2012). https://doi.org/10.1364/OE.20.025990
- S.-P. Han, N. Kim, H. Ko, H.-C. Ryu, J.-W. Park, Y.-J. Yoon, J.-H. Shin, D.-H. Lee, S.-H. Park, S.-H. Moon, S.-W. Choi, H. S. Chun and K. H. Park, "Compact fiber-pigtailed InGaAs photoconductive antenna module for terahertz-wave generation and detection," Opt. Express 20, 18432-18439 (2012). https://doi.org/10.1364/OE.20.018432
- P. Hillger, J. Grzyb, R. Jain, and U. R. Pfeiffer, "Terahertz imaging and sensing applications with silicon-based technologies," IEEE Trans. Terahertz Sci. Technol. 9, 1-19 (2019). https://doi.org/10.1109/TTHZ.2018.2884852
- J. Valentine, S. Zhang, T. Zentgraf, E. Ulin-Avila, D. A. Genov, G. Bartal, X. Zhang, "Three-dimensional optical metamaterial with negative refractive index," Nature 455, 376-379 (2008). https://doi.org/10.1038/nature07247
- D. Schurig, J. J. Mock, B. J. Justice, S. A. Cummer, J. B. Pendry, A. F. Starr, and D. R. Smith, "Metamaterial electromagnetic cloak at microwave frequencies," Science. 314, 977-980 (2006). https://doi.org/10.1126/science.1133628
- M. Choi, S. H. Lee, Y. Kim, S. B. Kang, J. Shin, M. H. Kwak, K.-Y. Kang, Y.-H. Lee, N. Park, and B. Min, "A terahertz metamaterial with unnaturally high refractive index," Nature 470, 369-373 (2011). https://doi.org/10.1038/nature09776
- J.-H. Shin, K. H. Park, and H.-C. Ryu, "Electrically controllable terahertz square-loop metamaterial based on VO2 thin film," Nanotechlogy 27, 195202 (2016). https://doi.org/10.1088/0957-4484/27/19/195202
- D. J. Park, J. H. Shin, K. H. Park, and H. C. Ryu, "Electrically controllable THz asymmetric split-loop resonator with an outer square loop based on VO2," Opt. Express 26, 17397-17406 (2018). https://doi.org/10.1364/OE.26.017397
- J.-H. Shin, S.-P. Han, M. Song, and H. C. Ryu, "Gradual tuning of the terahertz passband using a square-loop metamaterial based on a W-doped VO2 thin film," Appl. Phys. Express 12, 032007 (2019). https://doi.org/10.7567/1882-0786/ab0395
- F. Fan, W.-H. Gu, S. Chen, X.-H. Wang, and S.-J. Chang, "State conversion based on terahertz plasmonics with vanadium dioxide coating controlled by optical pumping," Opt. Lett. 38, 1582-1584 (2013). https://doi.org/10.1364/OL.38.001582
- H. Jung, J. Koo, E. Heo, B. Cho, C. In, W. Lee, H. Jo, J. H. Cho, H. Choi, M. S. Kang, and H. Lee, "Electrically controllable molecularization of terahertz meta-atoms," Adv. Mater. 30, 1802760 (2018). https://doi.org/10.1002/adma.201802760
- M. Askari, A. Zakery, and A. S. Jahromi, "A low loss semi H-shaped negative refractive index metamaterial at 4.725 THz," Photonics Nanostruct. 30, 78-83 (2018). https://doi.org/10.1016/j.photonics.2018.03.001
- X. Zhang, and Y.-S. Lin, "Actively electromagnetic modulation of IHI-shaped terahertz metamaterial with high-efficiency switching characteristic," Results Phys. 15, 102532 (2019). https://doi.org/10.1016/j.rinp.2019.102532
- S. Niknam, M. Yazdi, and S. B. Amlashi, "Enhanced ultrasensitive metamaterial resonance sensor based on double corrugated metal stripe for terahertz sensing," Sci. Rep. 9, 7516 (2019). https://doi.org/10.1038/s41598-019-44026-4
- J. Bonache, G. Zamora, F. Paredes, S. Zuffanelli, P. Auila, and F. Martin, "Controlling the electromagnetic field confinement with metamaterials," Sci. Rep. 6, 37739 (2016). https://doi.org/10.1038/srep37739