Fano resonance with high Q and figure of merit in terahertz band based on structural perturbation

被引：4
作者：
Feng, Guang [1 ]
Chen, Zhihui [1 ]
Liu, Xin [1 ]
Wang, Xiaowei [1 ]
Liu, Xiao [1 ]
Sun, Fei [1 ]
Yang, Yibiao [1 ]
Wang, Yang [2 ]
Chen, Shuqi [3 ,4 ]
机构：
[1] Taiyuan Univ Technol, Coll Phys & Optoelect, Key Lab Adv Transducers & Intelligent Control Syst, Minist Educ & Shanxi Prov, Taiyuan 030024, Peoples R China
[2] Shanxi Univ, Inst Biotechnol, Key Lab Chem Biol & Mol Engn, Minist Educ, Taiyuan 030006, Peoples R China
[3] Nankai Univ, Sch Phys, Key Lab Weak Light Nonlinear Photon, Minist Educ,Renewable Energy Convers & Storage Ctr, Tianjin 300071, Peoples R China
[4] Nankai Univ, TEDA Inst Appl Phys, Tianjin 300071, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2022年 / 132卷 / 23期
基金：
中国国家自然科学基金;
关键词：
BOUND-STATES;
D O I：
10.1063/5.0131487
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Fano resonance with high quality (Q) factor and figure of merit (FoM) has significant application prospects in biosensors and lasers. However, most of the previous studies achieve Fano resonance with high Q and FoM by directly regulating the structural asymmetry, which needs high processing precision. To maximize the Q factor of a given resonator, the best constituent material could be a hypothetical perfect electrical conductor (PEC) without ohmic losses. Here, we can indirectly regulate the asymmetry of the structure by perturbation between structures. At low asymmetry, PEC double split rings can obtain high Q factor of 374 and FoM of 257 by adjusting structural asymmetry based on structural perturbation. These are significant for Fano resonances of extremely low-loss and low ohmic losses practical application in the THz band. Published under an exclusive license by AIP Publishing.
引用
收藏
页数：6
相关论文
共 33 条
[11]   Photoactive terahertz metasurfaces for ultrafast switchable sensing of colorectal cells [J].
Jiao, Yanan ;
Lou, Jing ;
Ma, Zhaofu ;
Cong, Longqing ;
Xu, Xing ;
Zhang, Bin ;
Li, Dingchang ;
Yu, Ying ;
Sun, Wen ;
Yan, Yang ;
Hu, Shidong ;
Liu, Boyan ;
Huang, Yindong ;
Sun, Lang ;
Wang, Ride ;
Singh, Ranjan ;
Fan, Yuancheng ;
Chang, Chao ;
Du, Xiaohui .
MATERIALS HORIZONS, 2022, 9 (12) :2984-2992
[12]   Topologically enabled ultrahigh-Q guided resonances robust to out-of-plane scattering [J].
Jin, Jicheng ;
Yin, Xuefan ;
Ni, Liangfu ;
Soljacic, Marin ;
Zhen, Bo ;
Peng, Chao .
NATURE, 2019, 574 (7779) :501-+
[13]   Lasing action from photonic bound states in continuum [J].
Kodigala, Ashok ;
Lepetit, Thomas ;
Gu, Qing ;
Bahari, Babak ;
Fainman, Yeshaiahu ;
Kante, Boubacar .
NATURE, 2017, 541 (7636) :196-199
[14]   Asymmetric Metasurfaces with High-Q Resonances Governed by Bound States in the Continuum [J].
Koshelev, Kirill ;
Lepeshov, Sergey ;
Liu, Mingkai ;
Bogdanov, Andrey ;
Kivshar, Yuri .
PHYSICAL REVIEW LETTERS, 2018, 121 (19)
[15]   Multispectral perfect absorbers using plasmonically induced interference [J].
Li, Hong-Ju ;
Ren, Yong-Ze ;
Qin, Meng ;
Wang, Ling-Ling .
JOURNAL OF APPLIED PHYSICS, 2018, 123 (20)
[16]   Investigation of multiband plasmonic metamaterial perfect absorbers based on graphene ribbons by the phase-coupled method [J].
Li, Hongju ;
Ji, Chuansheng ;
Ren, Yongze ;
Hu, Jigang ;
Qin, Meng ;
Wang, Lingling .
CARBON, 2019, 141 :481-487
[17]   Shaping High-Q Planar Fano Resonant Metamaterials toward Futuristic Technologies [J].
Lim, Wen Xiang ;
Manjappa, Manukumara ;
Pitchappa, Prakash ;
Singh, Ranjan .
ADVANCED OPTICAL MATERIALS, 2018, 6 (19)
[18]  
Limonov MF, 2017, NAT PHOTONICS, V11, P543, DOI [10.1038/NPHOTON.2017.142, 10.1038/nphoton.2017.142]
[19]   Polarization-Independent Multiple Fano Resonances in Plasmonic Nonamers for Multimode-Matching Enhanced Multiband Second-Harmonic Generation [J].
Liu, Shao-Ding ;
Leong, Eunice Sok Ping ;
Li, Guang-Can ;
Hou, Yidong ;
Deng, Jie ;
Teng, Jing Hua ;
Ong, Hock Chun ;
Lei, Dang Yuan .
ACS NANO, 2016, 10 (01) :1442-1453
[20]  
Luk'yanchuk B, 2010, NAT MATER, V9, P707, DOI [10.1038/NMAT2810, 10.1038/nmat2810]
1234