Zobrazeno 1 - 10
of 7 569
pro vyhledávání: '"Tang, Hong"'
Accurate and efficient calculation of optical response properties of solid materials is still challenging. We present a meta-generalized gradient approximation (metaGGA) density functional based time-dependent and dielectric function dependent method
Externí odkaz:
http://arxiv.org/abs/2409.04904
The Galton board is a desktop probability machine traditionally used to visualize the principles of statistical physics with classical particles. Here, we demonstrate a photonic Galton board that enables on-chip observation of single-photon interfere
Externí odkaz:
http://arxiv.org/abs/2408.08452
Second harmonic generation (SHG) extensively employs periodically poled nonlinear crystals through forward quasi-phase-matching to achieve efficient frequency conversion. As poling periods approach sub-micrometers, backward quasi-phase-matching has a
Externí odkaz:
http://arxiv.org/abs/2407.09464
The demand for high-performance electromechanical resonators is ever-growing across diverse applications, ranging from sensing and time-keeping to advanced communication devices. Among the electromechanical materials being explored, thin-film lithium
Externí odkaz:
http://arxiv.org/abs/2407.05468
The layered transition metal dichalcogenide 1T-TiSe$_2$ is of great research interest, having intriguing properties of charge density waves (CDW) and superconductivity under doping or pressurizing. The monolayer form of 1T-TiSe$_2$ also shows a CDW w
Externí odkaz:
http://arxiv.org/abs/2407.04033
Quantum spin Hall (QSH) insulators have attracted intensive experimental and theoretical studies due to their beneficial applications in spintronic devices. Density functional theory (DFT) meets challenges when describing the electronic structure of
Externí odkaz:
http://arxiv.org/abs/2406.12124
Monolayer $\mathrm{MoS_2}$ under strain has many interesting properties and possible applications in technology. A recent experimental study examined the effect of strain on the bandgap of monolayer $\mathrm{MoS_2}$ on a mildly curved graphite surfac
Externí odkaz:
http://arxiv.org/abs/2406.06020
Autor:
Yang, Guangcanlan, Wang, Haochen, Mu, Sai, Xie, Hao, Wang, Tyler, He, Chengxing, Shen, Mohan, Liu, Mengxia, Van de Walle, Chris G., Tang, Hong X.
Nitride ferroelectrics have recently emerged as promising alternatives to oxide ferroelectrics due to their compatibility with mainstream semiconductor processing. ScAlN, in particular, has exhibited remarkable piezoelectric coupling strength ($K^2$)
Externí odkaz:
http://arxiv.org/abs/2405.07978
Sapphire is a promising wideband substrate material for visible photonics. It is a common growth substrate for III-nitride light-emitting diodes and laser structures. Doped sapphires are important gain media foundational to the development of titaniu
Externí odkaz:
http://arxiv.org/abs/2405.03088
We demonstrate optomechanics in the sub-terahertz regime. An optical racetrack resonator, patterned from thin-film lithium niobate, is suspended to support mechanical structures oscillating at these extremely high frequencies, which are read out thro
Externí odkaz:
http://arxiv.org/abs/2405.00284