2024
2024
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Record 481 of
Title:Design, Simulation, and Characterization of a Partial Negative Curvature Antiresonant Hollow-Core Fiber for Low Loss Terahertz Wave Transmission
Author Full Names:Mu, Qiyuan(1,2); Zhu, Yuanfeng(3); Kong, Depeng(1); He, Zhengquan(1); Liu, Hongjun(1); Wang, Lili(1)Source Title:IEEE Transactions on Terahertz Science and TechnologyLanguage:EnglishDocument Type:Journal article (JA)Abstract:This article demonstrates a novel partial negative curvature hollow-core fiber for low-loss terahertz transmission. In the optimized fiber structure, the tubes in the vertical direction are replaced by plate-like dielectric sheets, thereby achieving low loss and low blocked risk of 3D printing, while retaining a small fiber hollow core and fiber diameter. The 3D printed fiber is characterized by a terahertz time-domain spectroscopy system. The obtained transmission spectrum demonstrates the mode beating phenomenon and its peak position varies periodically with fiber length at short distances. The thin antiresonant walls endow the fiber with two broad low-loss windows of 0.2-0.4 THz and 0.55-0.85 THz. Besides, the x-polarization and y-polarization waves achieve minimum losses of 16.2 dB/m@0.28 THz and 16.0 dB/m@0.29 THz, respectively. Furthermore, our fiber has low experimental dispersions, namely -0.18±1.1 ps/THz/cm (x-pol) and 0.67 ± 0.77 ps/THz/cm (y-pol). The experimental losses and dispersions match well with the simulation results. Additionally, the simulation results reveal that the fiber has the potential to attain a high birefringence of 10-3 ? 2011-2012 IEEE.Affiliations:(1) Chinese Academy of Sciences, State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Xi'an; 710119, China; (2) University of Chinese Academy of Sciences, Center of Materials Science and Optoelectronics Engineering, Beijing; 101408, China; (3) Jiangxi Normal University, School of Physics and Communication Electronics, Nanchang; 330022, ChinaPublication Year:2024Volume:14Issue:4Start Page:510-518DOI Link:10.1109/TTHZ.2024.3393609數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20241816022823 -
Record 482 of
Title:Broadband Mid-infrared Kerr Comb Generation in Suspended AlGaAs Microresonators
Author Full Names:Zhang, Yuqian(1); Sun, Qibing(2,3); Xiong, Bing(1); Wang, Jian(1); Hao, Zhibiao(1); Wang, Lai(1); Han, Yanjun(1); Li, Hongtao(1); Gan, Lin(1); Luo, Yi(1); Wang, Leiran(2,3); Zhang, Wenfu(2,3); Sun, Changzheng(1)Source Title:Conference on Lasers and Electro-Optics/Pacific Rim, CLEO-PR 2024 in Proceedings 2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)Language:EnglishDocument Type:Conference article (CA)Conference Title:2024 Conference on Lasers and Electro-Optics/Pacific Rim, CLEO-PR 2024Conference Date:August 4, 2024 - August 8, 2024Conference Location:Incheon, Korea, Republic ofAbstract:Suspended AlGaAs microring resonator is formed by optimized plasma dry-etching and surface treatment. Mid-infrared Kerr comb generation covering from 1250 nm to 5450 nm is demonstrated with a pump at 2.7 μm. ? 2024 The Author(s)Affiliations:(1) Beijing National Research Centre for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University, Beijing; 100084, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (3) University of Chinese Academy of Sciences, Beijing; 100049, ChinaPublication Year:2024數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20250517777318 -
Record 483 of
Title:O-band reconfigurable silicon polarization rotator
Author Full Names:Bai, Yawen(1,2); Wang, Pengfei(1,2); Peng, Bo(1,2); Chu, Tao(3)Source Title:Chinese Optics LettersLanguage:EnglishDocument Type:Journal article (JA)Abstract:Silicon waveguides typically exhibit optical anisotropy, which leads to polarization correlation and single-polarization operations. This consequently creates a demand for polarization-control devices. This paper introduces a CMOS-compatible O-band reconfigurable TE/TM polarization rotator comprising two symmetrical polarization rotator-splitters and phase shifters. This configuration enables dynamic conversion of any linear polarization to its quadratic equivalent. Experimental results indicate that the reconfigurable polarization rotator exhibits an insertion loss of less than 1.5 dB. Furthermore, the bandwidth for a polarization extinction ratio beyond 15 dB exceeds 60 nm. ? 2024 Chinese Optics Letters.Affiliations:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Xi'an; 710119, China; (2) Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing; 100049, China; (3) College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou; 310027, ChinaPublication Year:2024Volume:22Issue:1Article Number:011303DOI Link:10.3788/COL202422.011303數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20241715949098 -
Record 484 of
Title:Numerical simulation of dynamics behavior of pre-ionized pulsed-DC helium plasma jets at atmospheric pressure
Author Full Names:Liu, Yinghua(1,2); Yin, Peiqi(1,2); Xu, Boping(1,2); Liu, Dawei(3); Pi, Liangwen(2,4); Fu, Yuxi(2,4); Wang, Yishan(1,2); Zhao, Wei(1,2); Tang, Jie(1,2)Source Title:Physics of PlasmasLanguage:EnglishDocument Type:Journal article (JA)Abstract:A two-dimensional axisymmetric fluid model was established to investigate the dynamic behavior of pre-ionized pulsed-direct-current helium plasma jets at atmospheric pressure. Our simulation results show that, at a relatively low pre-ionization level, the electron number density is reduced and the streamer propagation is decelerated before the plasma jet is ejected from the tube, which is attributed to the inhibitory effect of a recombination process between the positive ions in the streamer and the seed electrons near the anode. As the pre-ionization reaches a relatively high level, the electron number density is larger than that without pre-ionization before the plasma jet is ejected from the tube, which originates from the promotion effect of decreased breakdown voltage. These two competing mechanisms jointly dominate the dynamic behavior of gas discharge in the presence of pre-ionization. After the plasma jet is ejected from the tube, the enhanced discharge power is responsible for the strengthened electric field in the streamer head, augmented total ionization rate, accelerated streamer propagation, and increased number density of electrons and active species, whatever the pre-ionization density is. With the increase in pre-ionization density, the plasma jet length, streamer propagation speed, discharge power, and discharge energy exhibit the initial increase and subsequent decrease variation trend. The optimal enhancement effect is obtained at the pre-ionization density of 6 × 1012 m?3, with the plasma jet lengthened by 28.4% and the energy deposition efficiency enhanced by 28.1%. ? 2024 Author(s).Affiliations:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics of CAS, Shaanxi, Xi'an; 710119, China; (2) University of Chinese Academy of Sciences, Beijing; 100049, China; (3) State Key Laboratory of Advanced Electromagnetic Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Hubei, Wuhan; 430074, China; (4) Center for Attosecond Science and Technology, Xi'an Institute of Optics and Precision Mechanics of CAS, Shaanxi, Xi'an; 710119, ChinaPublication Year:2024Volume:31Issue:9Article Number:093506DOI Link:10.1063/5.0215614數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20244117184058 -
Record 485 of
Title:Robust HDR reconstruction using 3D patch based on two-scale decomposition
Author Full Names:Qiao, Zhangchi(1,2); Yi, Hongwei(1); Wen, Desheng(1); Han, Yong(1,2,3)Source Title:Signal ProcessingLanguage:EnglishDocument Type:Journal article (JA)Abstract:In this paper, we propose an effective 3D patch-based match and fusion method by taking account of dynamic or multi-view scenes in a multi-exposure image sequence using two-scale decomposition. As opposed to most multi-exposure image fusion methods, the proposed method does not require a pre-alignment step to reduce ghosting artifacts. Considering that pixel values are affected by multi-view or multi-exposure scenes, we use a uniform matching approach to match and find similar patches in different exposure images and then fuse them at each scale. By searching all similar patches (instead of the optimal patch) in the searching window to form the 3D patch when facing limited image information, we can fully use the complementary information of the multi-exposure images to preserve information about moving objects and scene details. The experimental results show that the proposed method not only performs well on dynamic scenes but also consistently generates high-quality fused images in multi-view scenes. ? 2024 Elsevier B.V.Affiliations:(1) Space Optical Technology Laboratory, Xi'an Institute of Optical Precision Machinery Chinese Academy of Sciences, NO.17 Xinxi Road, Xi'an Hi-Tech Industrial Development Zone, ShaanXi, Xi'an; 710119, China; (2) University of Chinese Academy of Sciences, No. 1 Yanqihu East Rd, Huairou District, Beijing; 101408, China; (3) Xi'an Jiaotong University, No. 28 Xianning West Road, ShaanXi, Xi'an; 710049, ChinaPublication Year:2024Volume:219Article Number:109384DOI Link:10.1016/j.sigpro.2024.109384數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20240515470150 -
Record 486 of
Title:Power-Guided Asymmetrical Vector Dissipative Soliton Molecules in a Compact Fiber Resonator
Author Full Names:Huang, Xiangzhen(1); Li, Xiaohui(1); Chen, Enci(2); Pan, Zhiwen(1); Guo, Penglai(3); Sun, Liaoxin(4); Wang, Yishan(5); Zhao, Wei(5)Source Title:IEEE Journal of Selected Topics in Quantum ElectronicsLanguage:EnglishDocument Type:Journal article (JA)Abstract:Vector dissipative soliton molecules (VDSMs) can be promising for polarization multiplexing transmission applications. We report a nonlinear polarization rotation (NPR) vector dissipative soliton molecule laser. The laser realizes three-type vector dissipative soliton molecules of directly generated '1+2' type, '2+2 type, and outer-cavity projected super-position '2+'2+2'' type just by changing the pump power. It's proved that the different generated methods of vector soliton molecules in Hamiltonian systems can also be realized in dissipative systems. This is also the first time that multiple different generated methods of vector dissipative soliton molecules are realized in a fiber resonator based on NPR. The results proved the VDSMs' structures can be controlled, which can be potentially applied in optical frequency comb, optical communication systems, optical logic processing, optical detection, etc. ? 1995-2012 IEEE.Affiliations:(1) Shaanxi Normal University, School of Physics and Information Technology, Xi'an; 710000, China; (2) Guangxi University of Science and Technology, School of Electronic Engineering, Liuzhou; 545006, China; (3) Macau University of Science and Technology, School of Computer Science and Engineering, 999078, China; (4) Shanghai Institute of Technical Physics, State Key Laboratory of Infrared Physics, Shanghai; 200083, China; (5) Chinese Academy of Sciences, State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Xi'an; 710119, ChinaPublication Year:2024Volume:30Issue:5Start Page:1-6Article Number:2100106DOI Link:10.1109/JSTQE.2023.3319342數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20234114860851 -
Record 487 of
Title:Heterostructure nanocluster MOF-derived Ag-CuO: An emerging material for harmonic soliton pulses generation
Author Full Names:Luo, Wenfeng(1); Sun, Penghuan(2); Wu, Ziyan(1); Ban, Xiaoqiang(3,4); Zhang, Tingting(1); Zhao, Yang(2); Li, Xiaohui(2); Yu, Xuechao(5); Shan, Guangcun(6); Zhao, Xiaoxia(7)Source Title:Infrared Physics and TechnologyLanguage:EnglishDocument Type:Journal article (JA)Abstract:In recent years, metal-organic framework (MOF) and their derivatives have attracted many researchers due to excellent characteristics, such as good stability, high capacity, and a modest third order nonlinear optical response. Compared with conventional optical materials, MOF-oxide are easier to benefit photonic research. However, for nonlinear optics and ultrafast photonics, research on MOFs-Transition metal oxide is still in its infancy. In this work, MOF-derived Ag-CuO was prepared by hydrothermal method and applied in passively mode-locked fiber laser. Experimental results show that MOF-derived Ag-CuO possesses excellent optical absorption, functioning as a saturable absorber (SA). The laser based on MOF-derived Ag-CuO SA realizes three different mode-locking states, including traditional soliton with the pulse width of 1.04 ps, 32nd order harmonic soliton molecule, and soliton rain pulse, with the signal-to-noise ratio (SNR) of 73 dB. This work lays the foundation of its application in ultrashort photonics and optical communication, broadening the future of MOF-derived Ag-CuO. ? 2023 Elsevier B.V.Affiliations:(1) School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Shaanxi, Xi'an; 710121, China; (2) School of Physics & Information Technology, Shaanxi Normal University, Xi'an; 710119, China; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (4) University of Chinese Academy of Sciences, Beijing; 100049, China; (5) Suzhou Institute Nanotechnology & Nanobionic, Chinese Academy of Sciences, Suzhou; 215123, China; (6) School of Instrumentation Science and Optoelectronics Engineering, Beihang University, Beijing; 100191, China; (7) School of Mechanical and Material Engineering, Xi 'an University, Shaanxi, Xi 'an; 710065, ChinaPublication Year:2024Volume:136Article Number:105052DOI Link:10.1016/j.infrared.2023.105052數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20240115315279 -
Record 488 of
Title:On chip broadband and high extinction ratios Mach-Zehnder interferometer for DPSK signal demodulation
Author Full Names:Shao, Wen(1,2,3); Jia, Shuaiwei(1,2,3); Gao, Duorui(1,2,3); Huang, Long(1,2,3); Xie, Zhuang(1,2,3); Wang, Yang(1,2,3); Yao, Bin(1,3); Xie, Ningbo(1,3); Wang, Wei(1,3); Wang, Weiqiang(4); Xie, Xiaoping(1,2,3)Source Title:Optics CommunicationsLanguage:EnglishDocument Type:Journal article (JA)Abstract:Differential phase shift keying (DPSK) signals are widely employed in optical communication systems due to the high sensitivity and simple self-delay interference demodulation scheme. In this paper, we demonstrate a broadband on-chip Mach-Zehnder interferometer (MZI) for multiple channel DPSK signal demodulation. The chip is constructed using a single-mode high-index doped silica glass waveguide with fiber-to-fiber insert loss less than 3 dB and small second-order dispersion. The MZI interference fringe extinction ratio is over 25 dB in the range of C- and L-bands. The MZI is employed to demodulate four parallel DPSK signals simultaneously with similar performance, indicating that the broad bandwidth MZI is suitable for a receiver of massive parallel optical communications. ? 2024Affiliations:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (2) School of Future Technology, University of Chinese Academy of Sciences, Beijing; 100049, China; (3) University of Chinese Academy of Sciences, Beijing; 100049, China; (4) School of Electronic Information and Artificial Intelligence, Shaanxi University of Science and Technology, Xi' an; 710021, ChinaPublication Year:2024Volume:569Article Number:130813DOI Link:10.1016/j.optcom.2024.130813數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20242616422171 -
Record 489 of
Title:A 90Sr/90Y-radioisotope battery based on betavoltaic and beta-photovoltaic dual effects
Author Full Names:Cui, Qiming(1); Lu, Jingbin(1); Li, Xiaoyi(1); Yuan, Xinxu(1); Zhao, Yang(1); Zheng, Renzhou(2); Li, Qingyang(1); Wei, Jie(3); Luo, Baifeng(3); Lin, Li(4)Source Title:Materials Science in Semiconductor ProcessingLanguage:EnglishDocument Type:Journal article (JA)Abstract:Betavoltaic batteries with strontium sources are expected to achieve higher output power because of their high energy density and low self-absorption rate with the development of MEMS. However, the high energy of beta particles emitted from 90Sr/90Y can prone to radiation damage of the semiconductor. In order to exploit the high energy of beta particles emitted from 90Sr/90Y and to avoid radiation damage to the semiconductor, this paper presents a 90Sr/90Y-radioisotope battery based on betavoltaic (BV) and beta-photovoltaic (BPV) dual effects. In the work, the energy deposition of beta particles in LYSO:Ce and GaAs was simulated by Monte Carlo code, and thickness of the scintillator was determined. And the doping concentrations and junction depth of semiconductor were optimized based on the theoretical calculations to obtain the best output performance of device. When the thickness of LYSO:Ce is 0.158 cm, the output power density Pm of the optimized dual-effect battery is 0.61 μW/cm2. And the conversion efficiency of the device is 0.92%. At this time, the doping concentrations are Na=1.58×1017 cm?3 and Nd=3.16×1018 cm?3, and the junction depth xj=0.05 μm. All calculated parameter values are considered as theoretical limit values. In addition, the contribution of BV effect and BPV effect to the output performance of the dual-effect radioisotope battery was investigated. Different scintillator thicknesses lead to different percentages of the two mechanics. In addition, the BV effect and BPV effect output proportion is also affected by the average energy of the radiation source. In the case that the average electron energy on the semiconductor surface is 0.27 MeV, the higher the radioactive source energy, the thicker the scintillator is required, resulting in more BPV effect and less BV effect. ? 2024 Elsevier LtdAffiliations:(1) College of Physics, Jilin University, Changchun; 130012, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (3) Digital Grid Research Institute, China Southern Power Grid (Guangdong Provincial Key Laboratory of Digital Grid Technology), Guangzhou; 510663, China; (4) China Southern Power Grid AI Technology Co., Ltd, Guangzhou; 510663, ChinaPublication Year:2024Volume:179Article Number:108493DOI Link:10.1016/j.mssp.2024.108493數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20241916067573 -
Record 490 of
Title:Enhanced secondary electron emission properties of sputter-deposited MgO–Au composite film via Cr doping
Author Full Names:Liu, Li(1); Li, Jie(1); Xia, Zhangcong(1); Liu, Biye(1); Liu, Hulin(3); Wu, Shengli(1,2); Hu, Wenbo(1,2)Source Title:VacuumLanguage:EnglishDocument Type:Journal article (JA)Abstract:High and stable secondary electron emission yield (SEY) is essential for thin film materials used for electrical signal amplification in electronic devices. To enhance the secondary electron emission (SEE) capability of MgO–Au composite film, Cr-doped MgO–Au film was prepared by magnetron sputtering and the effect of Cr doping on the SEE properties of MgO–Au film was intensively investigated. It was confirmed that the doped Cr element is distributed through the whole composite film in a form of Cr2O3. Compared to the conventional MgO–Au film, the Cr-doped MgO–Au film with a Cr/(Cr + Mg) atomic ratio of 0.71 % achieves a SEY of 7.1 with a 4.4 % rise at the primary electron energy (Ep) of 300 eV and a maximum SEY of 10.9 with a 10.1 % increase at the Ep of 800 eV, and it also has a reduction of 49.2 % in SEE decay rate under continuous electron bombardment. For this novel composite film, the SEY ascension mainly attributes to the MgO grain enlargement and chemical stability enhancement, and the decreased SEE decay rate is associated with the improvements of resistance to electron bombardment and electric conductivity induced by Cr doping. ? 2024 Elsevier LtdAffiliations:(1) Key Laboratory for Physical Electronics and Devices of the Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an; 710049, China; (2) Moe Key Laboratory for Multifunction Materials and Structure, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an; 710049, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, No.17, Xinxi Road, Xi'an; 710119, ChinaPublication Year:2024Volume:229Article Number:113545DOI Link:10.1016/j.vacuum.2024.113545數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20243416901796 -
Record 491 of
Title:Direct femtosecond laser writing fiber Bragg gratings in double-D cladding chalcogenide glass infrared fibers
Author Full Names:Liu, Lutao(1,2); Li, Xingyong(3); Xu, Yantao(1,2); Chen, Fengyi(3); Xiao, Xusheng(1,2); He, Wentao(1,2); Wang, Ruohui(3); Zhang, Peiqing(4); Yu, Yongsen(5); Guo, Haitao(1,2)Source Title:Optics and Laser TechnologyLanguage:EnglishDocument Type:Journal article (JA)Abstract:Chalcogenide glass (ChG) fiber Bragg grating (FBG) is one of the key components in monolithic infrared fiber lasers and sensors. However, its effective fabrication using direct femtosecond laser writing is still seldom reported, owing to complications attributable to ChG. In this study, a double-D shaped ChG fiber was used to fabricate FBGs with high reflectivity (a 20.5 dB dip in the transmittance) and narrow 3-dB bandwidth (164 pm) using direct femtosecond laser writing. The high sensitivity to laser powers of the direct writing of the ChG FBG was revealed and understood from the perspective of the low laser-induced damage threshold of ChGs. Lower-order reflectance of the directly written FBGs at the mid-infrared wavelength region were quantitively predicted to have higher reflectivity. These results provide a robust method of writing FBGs with arbitrary periods in ChG fibers, establishing a solid foundation for the development of infrared fiber lasers and fiber sensors. ? 2024 Elsevier LtdAffiliations:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Shaanxi, Xi'an; 710119, China; (2) Centre for Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing; 100049, China; (3) School of Physics, Northwest University, Shaanxi, Xi'an; 710069, China; (4) Laboratory of Infrared Material and Devices, Advanced Technology Research Institute, Ningbo University, Zhejiang, Ningbo; 315211, China; (5) State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, 2699 Qianjin Street, Changchun; 130012, ChinaPublication Year:2024Volume:174Article Number:110586DOI Link:10.1016/j.optlastec.2024.110586數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20240415438975 -
Record 492 of
Title:Ultrahigh sensitivity terahertz refractive index sensor based on four-inscribed hole defect photonic crystal structure
Author Full Names:Wen, Jin(1,2); Sun, Wei(1); Liang, Bozhi(1); He, Chenyao(1); Xiong, Keyu(1); Wu, Zhengwei(1); Zhang, Hui(1); Yu, Huimin(1); Wang, Qian(1)Source Title:Microwave and Optical Technology LettersLanguage:EnglishDocument Type:Journal article (JA)Abstract:We proposed and investigated an ultrahigh sensitivity terahertz (THz) refractive index sensor based on four-inscribed hole defect photonic crystal structure. Due to the formation of resonant modes, the sensing properties can be obtained by shifting the sharp resonance in the transmission spectrum as changing of the analyte refractive index. In addition, the influence of structure parameters on the sensing performance is explored and demonstrated numerically. The numerical results illustrate that the Q-factor and figure of merit reach 323.71 and 167.188 can be obtained under the optimized structural parameters. In particular, an ultrahigh sensitivity of 198.8 μm/RIU can be realized in the frequency range of 0.777–0.779 THz. The proposed sensor may find significant applications in biochemical sensing systems. ? 2023 Wiley Periodicals LLC.Affiliations:(1) School of Science, Xi'an Shiyou University, Xi'an, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, ChinaPublication Year:2024Volume:66Issue:1Article Number:e33892DOI Link:10.1002/mop.33892數(shù)據(jù)庫(kù)ID（收錄號(hào)）:20233814748894