Article
Chemistry, Multidisciplinary
Shuang Zhu, Changda Wang, Hongwei Shou, Pengjun Zhang, Ping Wan, Xin Guo, Zhen Yu, Wenjie Wang, Shuangming Chen, Wangsheng Chu, Li Song
Summary: The in situ hydrothermal strategy successfully synthesized unique endogenous hetero-MXenes with excellent electrochemical performance, structural stability, and charge transport capabilities, providing new insights into rational design of novel MXenes heterojunctions.
ADVANCED MATERIALS
(2022)
Article
Optics
Naveen Gajendra Kumar, Siddharth Sivankutty, Victor Tsvirkun, Andy Cassez, Damien Labat, Rosa Cossart, Geraud Bouwmans, Esben Ravn Andresen, Herve Rigneault
Summary: We present a modified fiber geometry for a bending-insensitive multi-core fiber (MCF) that allows optimal light coupling in and out of the individual cores, addressing the coupling complexity and potential degradation issues of previously reported twisted MCFs. By introducing a section with straight and parallel cores at the ends of the MCF, we rectify the coupling and output light problems, enabling the development of bend-insensitive lensless endoscopes.
Article
Environmental Studies
Zhi Wu Zhou, Julian Alcala, Victor Yepes
Summary: To reduce pollution emissions from bridges, researchers have conducted in-depth research and optimization designs, resulting in a 25% decrease in carbon emissions.
ENVIRONMENTAL IMPACT ASSESSMENT REVIEW
(2022)
Review
Chemistry, Multidisciplinary
Kenji Hirai, James A. Hutchison, Hiroshi Uji-i
Summary: The exchange of energy between materials and optical fields results in strong light-matter interactions and the formation of polaritonic states with unique properties. Initially studied mostly by physicists using inorganic materials and cryogenic temperatures, recent research has shown that polaritonic states can be achieved at room temperature even in rapidly fabricated metallic optical cavities, making them accessible to chemists, materials scientists, and biochemists. The emergence of exciting phenomena suggests that polaritonic states have genuine relevance in molecular and material energy landscapes.
Article
Optics
Liyong Wang, Yifu Zhu
Summary: We propose a scheme for interaction-free bidirectional multi-channel all-optical switching in a multi-level coupling system. The system consists of four-level atoms confined in a cavity and coupled by a free-space control laser. The scheme utilizes destructive quantum interference induced by a control laser to switch the output signal lights of transmission/reflection channels. It offers high switching efficiency, broad bandwidth, and weak light intensity, making it useful for optical routing, optical communications, and quantum logic elements.
Article
Optics
Haiyan Zheng, Yating Bai, Qiang Zhang, Shaoding Liu
Summary: This study presents a comprehensive theoretical and numerical investigation on the optical responses of Fabry-Perot cavity-WS2 photonic crystal hybrid structures. The results demonstrate strong coupling between excitons, guided-mode resonances, and F-P modes, and even the possibility of triple mode strong coupling by tuning the spectral overlap. The findings suggest that optical microcavities embedded with TMDC photonic crystals can serve as promising platforms for polariton devices based on multi-mode strong coupling.
Article
Chemistry, Physical
Philip A. Thomas, Kishan S. Menghrajani, William L. Barnes
Summary: The study demonstrates that external structures are unnecessary for achieving room-temperature ultrastrong light-matter coupling. This discovery could aid in the design of experiments to probe polaritonic chemistry and suggests that polaritonic states may be easier to realize than previously thought.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Wenbing Li, Chao Ping Chen
Summary: Integration of functional components on a single photonics chip is a promising technology for fluorescence detection. A CMOS compatible bandpass filter was designed for detecting 5-carboxylfluorescein (5-FAM), and an optimized number of cavities in the stacker was determined for desired transmittance and optical density. For a stacker with 10 resonant cavities, the appropriate incident angle was calculated to allow the passage of fluorescence emission while blocking the excitation light. These findings provide insights for the future design and fabrication of highly integrated photonics chips for fluorescence detection.
IEEE PHOTONICS JOURNAL
(2022)
Article
Engineering, Marine
Aobo Zhang, Jin Liao, Zhen Liu, Cuiying Zhou, Lihai Zhang
Summary: This study presents a multi-effect coupling model to optimize the design of a geosynthetic-reinforced pile-supported embankment, which can reduce project costs. By adjusting critical factors such as pile spacing and tensile stiffness, design requirements can be met, and a triangle arrangement of piles can help decrease differential settlement.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2022)
Article
Instruments & Instrumentation
D. Frolov
Summary: Expressions based on S-parameters were derived to describe the intrinsic quality factor of arbitrary coupled multiport microwave cavities and non-ideal test fixtures. The practical accuracy limitations of these expressions for superconducting accelerator cavities were evaluated analytically and with simulation software. These formulas can be used to directly extract the intrinsic quality factor of normal-conducting and superconducting cavities from calibrated S-parameter measurements.
REVIEW OF SCIENTIFIC INSTRUMENTS
(2021)
Article
Thermodynamics
Peitao Yao, Yuling Zhai, Zhouhang Li, Xin Shen, Hua Wang
Summary: The study proposed a new microchannel structure to enhance heat transfer efficiency, and conducted multi-objective optimization to obtain the optimal design, showcasing the dominance of convective heat transfer over conduction and heat loss, with moderate thermal resistance and pumping power leading to the best heat transfer characteristics.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Xun Liu, Lu-cheng Yao, Chu-qi Su, Xin Xiong, Yi-Ping Wang
Summary: In this study, an active-passive Battery Thermal Management System (BTMS) combining Phase Change Material (PCM) and Thermoelectric Cooler (TEC) was proposed to enhance the thermal performance of lithium-ion batteries. The effects of different TEC currents and delayed cooling at different PCM melting rates were analyzed under the 4C discharge condition. The results showed that increasing the TEC current effectively controlled the battery temperature, but resulted in poor temperature difference and PCM utilization. However, applying a delayed current after the PCM melting rate reached 80% reduced energy consumption and provided better temperature uniformity. A continuous pulse current with TEC was used to provide additional cooling power, resulting in 57.8% longer operation time at 40 degrees C with a temperature difference of 2.5 K compared to the PCM model under 4C discharge conditions.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Andreas T. G. Janssonn, Henning G. Hugdal, Arne Brataas, Sol H. Jacobsen
Summary: A recent proof of concept demonstrated the ability of cavity photons to mediate superconducting properties in certain materials. This method allows for long-distance coupling between magnetic moments and superconductors, local control of drives and temperatures, and investigation of their interactions without disrupting their order parameters. The theory proposed an induced anisotropy field as the dominant effect on the magnetic material. Experimental observations are expected to show a measurable tilt of the magnetic spins in low coercivity materials, such as Bi-YIG. The implications and potential applications of this system in the field of superconducting spintronics are discussed.
Article
Physics, Multidisciplinary
Wen-Jin Huang, Mao-Fa Fang, Xiong Xu
Summary: This study investigates the protection of entanglement between two V-atoms in a multi-cavity coupling system. The results demonstrate that this entanglement can be effectively protected under certain conditions, providing an important method for protecting entanglement resources in three-level systems.
Article
Chemistry, Physical
Wonmi Ahn, B. S. Simpkins
Summary: This study explores the Raman scattering response of a PMMA carbonyl band under vibrational strong coupling in a Fabry-Perot cavity, revealing features such as softening and a small dip near the fundamental vibrational frequency. These effects are attributed to upper and lower polaritons dispersing over the collection angle, as confirmed by control measurements and modeling.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
