Results 71 to 80 of about 3,171 (252)

Design of Photonic Crystal Membrane-Reflector-Based VCSELs

IEEE Photonics Journal, 2012
We present here the cavity design of distributed-Bragg-reflector-free ultracompact Fano-resonance photonic crystal membrane-reflector vertical-cavity surface-emitting lasers on silicon, which consists of a III-V quantum-well active region sandwiched in ...
D. Zhao, H. Yang, S. Chuwongin, J. H. Seo, Z. Ma, W. Zhou   +5 more
doaj   +1 more source

Lasing properties and carrier dynamics of CsPbBr₃ perovskite nanocrystal vertical-cavity surface-emitting laser. [PDF]

Nanophotonics, 2023
He Y, Su Z, Cao F, Cao Z, Liu Y, Zhao C, Weng G, Hu X, Tao J, Chu J, Akiyama H, Chen S.   +11 more
europepmc   +1 more source

A Periosteum‐Inspired Janus Piezoelectric Scaffold Using Bioenergetic‐Driven H‐Type Vascularization for Diabetic Bone Regeneration

Advanced Science, EarlyView.
A periosteum‐inspired Janus piezoelectric scaffold converts micromechanical forces into electrical signals and synergizes with controlled resveratrol release. This dual action reprograms endothelial metabolism, drives H‑type vessel formation, and restores bone–vessel coupling in diabetic bone defects.
Kai Wang, Kai Jiang
wiley   +1 more source

Mechanical Activation of Piezo1 Drives Osteoarthritis Through Kdm5c‐Mediated Epigenetic Silencing

Advanced Science, EarlyView.
Excessive mechanical stress activates Piezo1, triggering Ca2+‐dependent cytoskeletal forces that deform the nucleus and reduce H3K4me3. Kdm5c demethylates H3K4me3 at Col2a1 and Runx3 promoters. Kdm5c knockout rescues degradation. Repurposed telmisartan directly inhibits Kdm5c, blocking this axis and showing disease‐modifying efficacy in mouse OA models
Tianyou Kan, Xuran Li, Han Wang, Lin Sun, Yao Wang, Jiangdong Wu, Junqi Cui, Yiqi Yang, Kai Yuan, Linyang Chu, Liao Wang, Hanjun Li, Mengning Yan, Zhifeng Yu   +13 more
wiley   +1 more source

Stochastically sustained population oscillations in high-β nanolasers

New Journal of Physics, 2013
Nonlinear dynamical systems involving small populations of individuals may sustain oscillations in the population densities arising from discrete changes in population numbers due to random events.
A Lebreton, I Abram, N Takemura, M Kuwata-Gonokami, I Robert-Philip, A Beveratos   +5 more
doaj   +1 more source

Vertical Cavity Surface Emitting Laser Performance Maturing through Machine Learning for High-Yield Optical Wireless Network. [PDF]

Micromachines (Basel), 2022
Armghan A, Aliqab K, Ali F, Alenezi F, Alsharari M.   +4 more
europepmc   +1 more source

Graphene (0002)/Diamond (111) Heterojunction with High Piezoresistive Response

Advanced Science, EarlyView.
Graphene/diamond heterostructures show promise as silicon alternatives for semiconductors, but high‐quality integration is challenging. Thermal electron irradiation enables covalent bonding; lonsdaleite acts as an intermediate. The heterostructure exhibits a high piezoresistive response (gauge factor −1149) associated with electron‐rich layers and ...
Xueyu Zhang, Kun Guo, Zhigang Gai, Tianxiao Guo, Yuan Gao, Jiancai Leng, Mei Zhang, Tonggang Jiu, Yibao Wang, Shousheng Liu, Xin Jiang   +10 more
wiley   +1 more source

Artificial optoelectronic spiking neuron based on a resonant tunnelling diode coupled to a vertical cavity surface emitting laser. [PDF]

Nanophotonics, 2023
Hejda M, Malysheva E, Owen-Newns D, Ali Al-Taai QR, Zhang W, Ortega-Piwonka I, Javaloyes J, Wasige E, Dolores-Calzadilla V, Figueiredo JML, Romeira B, Hurtado A.   +11 more
europepmc   +1 more source

Optimizing Stratification in Binary Colloidal Supraparticles

Advanced Science, EarlyView.
Supraparticles from binary particle populations show stratification when dried at high Péclet numbers. In spray‐dried systems at high initial particle concentration and fast drying conditions optimal combinations of particle size ratios and volume fractions that produce maximal stratification are found both in experiment and simulation, contrasting the
Frederic Rudlof, Silas Wolf, Sonja Schaller, Jonathan Martín González, Carsten Schilde, Nicolas Vogel   +5 more
wiley   +1 more source

Wavelength Locking of Vertical-Cavity Surface-Emitting Laser in Optically Pumped Magnetometer

Shanghai Jiaotong Daxue xuebao
Aimed at the requirements of optically pumped magnetometer (OPM) for miniaturization, low power consumption and laser frequency stability, a wavelength locking control scheme for vertical-cavity surface-emitting laser is proposed.
LUO Manruo, LI Shaoliang, HUANG Yiming, ZHANG Chi, WU Zhaocai, LIU Hua
doaj   +1 more source