Observation of two-dimensional time-reversal broken non-Abelian topological states by Yuze Hu, Mingyu Tong, Tian Jiang, Jian-Hua Jiang, Hongsheng Chen, Yihao Yang

“…Alongside this process, the multigap antichiral edge states can be tuned versatilely, giving rise to topological edge waveguiding with frequency-dependent directionality. …”
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Ultra-Wideband Fractal Ring Antenna for Biomedical Applications by Ilyas Saleem, Umair Rafique, Shobit Agarwal, Hüseyin Şerif SAVCI, Syed Muzahir Abbas, Subhas Mukhopadhyay

“…In this paper, an efficient, coplanar waveguide (CPW)-fed printed circular ring fractal ultra-wideband (UWB) antenna is presented for biomedical applications. …”
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Design of a CPW-Fed Band-Notched UWB Antenna Using a Feeder-Embedded Slotline Resonator by Amin M. Abbosh

“…A slotline resonator is incorporated in the coplanar waveguide feeder of the antenna to act as a bandstop filter, hence enabling the rejection of any undesired band within the passband of the antenna. …”
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Low-loss on-chip superconducting microwave circulator assisted by shunting capacitors by N. Pradeep Kumar, Dat Thanh Le, Prasanna Pakkiam, Thomas M. Stace, Arkady Fedorov

“…Specifically, we introduce large direct capacitive couplings between the waveguides, which based on the modeling we describe here, requires less stringent junction fabrication tolerance. …”
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Single soliton microcomb combined with optical phased array for parallel FMCW LiDAR by Jingye Chen, Wenlei Li, Zhe Kang, Zongxing Lin, Shi Zhao, Daixin Lian, Jijun He, Dongmei Huang, Daoxin Dai, Yaocheng Shi

“…For realizing the parallel wavelengths emission consistent with Rayleigh criterion, the wide waveguide beyond single mode region combined with the bound state in the continuum (BIC) effect is harnessed to obtain an ultra-long optical grating antenna array. …”
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Nanostructures for Enhanced Light Absorption in Solar Energy Devices by Gustav Edman Jonsson, Hans Fredriksson, Raja Sellappan, Dinko Chakarov

“…These include enhanced optical absorption of composite photocatalytically active TiO2/graphitic carbon films, systems with enhanced surface plasmon resonance, field-enhanced absorption in nanofabricated carbon structures with geometrical optical resonances and excitation of waveguiding modes in supported nanoparticle assembles. …”
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Design and Analysis of a Carbonyl Iron Powder/Epoxy Composite-Based Ultra-Wideband Multi-Pyramidal Magnetic Absorber Using an Equivalent Circuit Model by Aparna Parameswaran, Nohgyeom Ha, Soo Hyun Kim, Sukjin Kwon, Byeongjin Park, Sangkil Kim

“…The constituent parameters of the CIP/epoxy composite is experimentally extracted using a waveguide measurement setup. This raw data is then quantified using a least-square fit polynomial based curve fitting technique to facilitate its use in the design and the analysis of the pyramidal absorber. …”
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A UWB Band-Pass Antenna with Triple-Notched Band Using Common Direction Rectangular Complementary Split-Ring Resonators by Bo Yan, Di Jiang, Ruimin Xu, Yuehang Xu

“…The antenna is excited by using novel common direction rectangular complementary split-ring resonators (CSRR) fabricated on radiating patch of the dielectric substrate with coplanar waveguide (CPW) feed strip line. The voltage standing wave ratio (VSWR) of the proposed antenna is less than 2.0 in the frequency band from 2.8 to 12 GHz, while showing a very sharp band-rejection performance at 3.9 GHz, 5.2 GHz, and 5.9 GHz. …”
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Applications of Generalized Cascade Scattering Matrix on the Microwave Circuits and Antenna Arrays by Shun-Feng Cao, Yong-Chang Jiao, Zheng Zhang

“…Secondly, two typical linear waveguide slotted arrays are designed. Both the radiation patterns and scattering parameters at the input ports agree well with the desired goals. …”
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Codesigned Wideband High-Efficiency Filtering SIW Slot Antenna with High Selectivity and Flat Gain Response by Peng Kai Li, Chang Jiang You, Hong Fang Yu, Yu Jian Cheng, Yuan Wang Yang, Jian Hua Deng

“…A substrate integrated waveguide (SIW) slot antenna with wideband bandpass filtering performance is proposed in this journal. …”
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Low-Cost Printed Flexible Antenna by Using an Office Printer for Conformal Applications by Kashif Nisar Paracha, Sharul Kamal Abdul Rahim, Hassan Tariq Chattha, Saqer Saleh Aljaafreh, Sabih ur Rehman, Yew Chiong Lo

“…The thickness of the silver nanoparticle layer was measured to be 300 nm with a sheet resistance of as low as 0.3 Ω/sq and a conductivity around 1.11 × 107 S/m with single layer deposition. A coplanar waveguide- (CPW-) fed Z-shape planar antenna on the PET substrate achieved the measured radiation efficiency of 62% and the IEEE gain of 1.44 dBi at 2.45 GHz. …”
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Balancing the Potential Gauging Process Applied to Wave Propagation for Arbitrary Space-Times by Thomas Reum

“…Special relativity including a practical waveguide example in RF engineering as well as general relativity are involved to cover an extensive class of uses valid for an arbitrary choice of space-time, which assures in addition broad applicability to further physical disciplines.…”
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Miniaturized Filters with a Controllable Number of Passbands by Embedding Serpentine Microstrip Resonators in SIW by Xiaohei Yan, Wenjing Mu, Minjie Guo

“…The filter structure is realized by embedding serpentine microstrip resonators in the upper metal surface of the substrate-integrated waveguide (SIW). These resonators are composed of upper and lower parts, which form a single-passband filter when the lengths are equal and a double-passband filter when the lengths are unequal. …”
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Design and validation of a-SiC/SiN hybrid photonic platform for integrated quantum photonics by Naresh Sharma, Zizheng Li, Bruno Lopez-Rodriguez, Joey Vrugt, Stijn van der Waal, Luozhen Li, Roald van der Kolk, Philip J Poole, Dan Dalacu, Iman Esmaeil Zadeh

“…Our design couples the light from SiN waveguide to a-SiC waveguide with 96% efficiency at 885 nm wavelength. …”
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Vialess heterogeneous skin patch for multimodal monitoring and stimulation by Hyeokjun Lee, Soojeong Song, Junwoo Yea, Jeongdae Ha, Saehyuck Oh, Janghwan Jekal, Myung Seok Hong, Chihyeong Won, Han Hee Jung, Hohyun Keum, Sangyoon Han, Jeong Ho Cho, Taeyoon Lee, Kyung-In Jang

“…Each modality is demonstrated through on-demand drug delivery, flexible waveguide-based PPG monitoring, and ECG and body movement monitoring. …”
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Broadband Polarization-Independent Edge Couplers With High Efficiency Based on SiN-Si Dual-Stage Structure by Yang Jiang, Zhewei Zhang, Peng Liu

“…Silicon nitride (SiN) plays a critical role in silicon photonics because of its lower refractive index, low waveguide loss, broad operating bandwidth and compatibility with complementary metal oxide semiconductor (CMOS) fabrication process. …”
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A Miniaturized High-Gain Flexible Antenna for UAV Applications by Xinhuan Yang, Yanzhu Qi, Bo Yuan, Yazi Cao, Gaofeng Wang

“…And, a flexible cable is loaded on the bottom of dielectric substrate. A coplanar waveguide (CPW) with asymmetric ground feeding structure is employed to provide good impedance matching. …”
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Realization of Low Cross-Polarization Level for GF-3 SAR Antenna by Jian Mi, Hongbing Sun, Guodong Song, Ying Xing, Xuhao Zhao

“…The two polarized RF chains are totally independent to ensure high isolation, and a dual-polarized waveguide slot antenna subarray is designed with a low cross-polarization level. …”
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Propagation Mechanism Modeling in the Near-Region of Arbitrary Cross-Sectional Tunnels by Ke Guan, Zhangdui Zhong, Bo Ai, Ruisi He, Yuanxuan Li, César Briso Rodríguez

“…To begin with, the propagation losses owing to the free space mechanism and the multimode waveguide mechanism are modeled, respectively. Then, by conjunctively employing the propagation theory and the three-dimensional solid geometry, the paper presents a general model for the dividing point between two propagation mechanisms. …”
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Spatial Characteristics of Wideband Channels Using Leaky Coaxial Cables in Tunnel Scenario by Asad Saleem, Min Wang, Guoxin Zheng, Xiaoyu Yin

“…Angular dispersion of the signal significantly affects the channel capacity, and it can be exactly predicted in both the near and far fields for underground environments by means of a multimode waveguide. A ray tracing phenomenon was exploited to visualize the wave propagation for different transmitter and receiver antenna distances by using the time domain approach for both the horizontally and vertically polarized LCXs. …”
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