Results 191 to 200 of about 5,291 (264)

Exploiting a centrally powered coherent microcomb for lightweight optical transmission. [PDF]

Nat Commun
Han J, Yan G, Li K, Shen B, Shu H, Wang Y, Zhang Y, Xiao J, Wu Y, Chang H, Cai C, Zhang X, Wang X, Wang J.   +13 more
europepmc   +1 more source

Unlocking the THz Emission Potential of Sputtered Germanium Thin Films Through Structural and Optoelectronic Properties Optimization

Advanced Optical Materials, Volume 14, Issue 10, 13 March 2026.
An optimized RF‐sputtering process is developed for the deposition of n‐doped germanium thin films exhibiting strongly enhanced THz emission under fs‐laser excitation. By tuning deposition temperature and thickness, highly (111)‐oriented films with an effective bandgap of ∼0.77 eV and improved optoelectronic properties are achieved, leading to a ∼35 ...
Sanjit Varma, Loick Pichon, Ahmed Mohamed, Driss Mouloua, Xavier Ropagnol, Jinyang Liang, Tsuneyuki Ozaki, My Ali El Khakani   +7 more
wiley   +1 more source

Contactless Terahertz “Fiber Squeezer” for Tunable Dispersion Engineering in Unclad Silicon Dielectric Waveguides

Advanced Photonics Research, Volume 7, Issue 3, March 2026.
Terahertz microscale silicon waveguides can be wholly unclad, making it possible to interact with guided waves contactlessly via evanescent fields. We exploit this with conductive walls that enforce a movable field‐null upon modal fields, enabling tunable dispersion and cutoff similar to a fiber squeezer, albeit without physical contact.
Daniel Headland, Yuma Kawamoto, Jordan Nedosyko, Tadao Nagatsuma, Masayuki Fujita, Guillermo Carpintero   +5 more
wiley   +1 more source

Highly Fluorescent and Stable Lead Halide Perovskite Nanocrystals Protected by an In Situ Formed Lead Halide–Amino Acid Matrix

Advanced Photonics Research, Volume 7, Issue 3, March 2026.
This work presents highly fluorescent and stable MAPbBr3 and FAPbBr3 perovskite nanocrystals prepared via a facile single‐step precipitation method. An in situ formed PbBr2­amino acid matrix encapsulates the nanocrystals, enabling near‐unity photoluminescence quantum yields and exceptional long‐term stability under ambient conditions.
Felix Mayr, Elisabeth Leeb, Katharina Matura, Munise Cobet, Thomas Rath, Marco Sigl, Yolanda Salinas, Dorian Ziss, Tena Markulin, Jakob Hofinger, Katarina Gugujonović, Bekele Hailegnaw, Oliver Brüggemann, Thomas A. Klar, Niyazi S. Sariciftci, Markus C. Scharber   +15 more
wiley   +1 more source

Oxygen vacancy-driven bandgap tuning and ultrafast laser performance in Bi₂O₂Se. [PDF]

Nanophotonics
Tang Q, Pan Z, Ji Z, Chu H, Pan H, Li D.
europepmc   +1 more source

Bioinspired Twisted Artificial Muscles with Enhanced Performance for Underwater Applications

Advanced Science, Volume 13, Issue 15, 13 March 2026.
A climbing plant‐inspired twisted artificial muscle (TAM) with a braided configuration and seal‐inspired thermal insulation enables high‐performance underwater actuation. Enhanced deformation, reduced heat dissipation, and rapid motion are validated through a bionic ray that exhibits straight and turning motions.
Jin Sun, Yuan Fu, Shijng Zhang, Jing Li, Dehong Wang, Junkao Liu, Yingxiang Liu   +6 more
wiley   +1 more source

High-Power Single-Frequency Continuous-Wave Tunable 1064/532 nm Dual-Wavelength Laser. [PDF]

Micromachines (Basel)
Peng W, Jin P, Su J, Wei J, Lu H.
europepmc   +1 more source

Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review

Advanced Science, Volume 13, Issue 15, 13 March 2026.
This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren, Fuyao Liu, Yanan Zhong, Shengbo Ge, Zhipeng Shi, Siling Lin, Hongli Song, Yingying Zhang, Wei Fan   +8 more
wiley   +1 more source

Magic cancellation point for vibration resilient ultrastable microwave signal synthesis. [PDF]

Nat Commun
Loh W, Gray D, Maxson R, Kharas D, Plant J, Juodawlkis PW, Sorace-Agaskar C, Yegnanarayanan S.   +7 more
europepmc   +1 more source

4D Printing of Magnetically Responsive Shape Memory Polymers: Toward Sustainable Solutions in Soft Robotics, Wearables, and Biomedical Devices

Advanced Science, Volume 13, Issue 15, 13 March 2026.
Merging 4D printing with magneto‐responsive shape memory polymers opens new avenues for intelligent, reconfigurable systems. This review navigates cutting‐edge fabrication techniques, magnetic fillers, and smart polymer matrices, unveiling their potential in soft robotics, biomedical devices, and wearable tech.
Kiandokht Mirasadi, Mohammad Amin Yousefi, Liuchao Jin, Davood Rahmatabadi, Majid Baniassadi, Wei‐Hsin Liao, Mahdi Bodaghi, Mostafa Baghani   +7 more
wiley   +1 more source