Results 121 to 130 of about 8,903 (251)

Slow-Light Mid-IR Silicon Photonic Chips for NO₂ and CH₄ Gas Detection. [PDF]

ACS Omega
Fan KC, Midkiff J, Hlaing M, Jain S, Chen RT.   +4 more
europepmc   +1 more source

High‐Efficiency Graphene‐Silicon Slot‐Waveguide Microring Modulator at 1.5 and 2 µm Wavelength Bands

Laser &Photonics Reviews, EarlyView.
E/O modulators typically face a trade‐off between bandwidth and modulation efficiency. An integrated E/O modulator is presented that simultaneously achieves wideband, large bandwidth, and high modulation efficiency operation by embedding a partially overlapped double‐layer graphene on a compact silicon slot‐waveguide microring resonator.
Chao Luan, Deming Kong, Yong Liu, Yunhong Ding, Hao Hu   +4 more
wiley   +1 more source

Digital Holography Using Harmonic Generation from Solids for Reconstruction of Subwavelength Nanostructures. [PDF]

ACS Photonics
Guery L, Bijloo F, Kraus PM.
europepmc   +1 more source

Subwavelength nanophotonic structures for integration and sensing

, 2017
Conferencia invitada. -- 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, Montreal, Canada, 19th to 26th of August 2017.
Cheben, Pavel, Velasco, Aitor V.
openaire   +1 more source

Efficient and Tunable Narrowband Second‐Harmonic Generation by a Large‐Area Etchless Lithium Niobate Metasurface

Laser &Photonics Reviews, EarlyView.
An etchless lithium niobate (LN) metasurface with a slanted periodic TiO2 grating enables efficient and narrowband second‐harmonic generation (SHG) thanks to the light confinement in the LN film granted by quasi‐bound‐state‐in‐the‐continuum (q‐BIC) modes.
Yaping Hou, Yigong Luan, Yu Fan, Alfonso Nardi, Attilio Zilli, Bobo Du, Jinyou Shao, Marco Finazzi, Chunhui Wang, Lei Zhang, Michele Celebrano   +10 more
wiley   +1 more source

Visible-wavelength vectorial holography based on an MIM metasurface. [PDF]

Discov Nano
Zhou Y, Miao R, Geng Z, Chen MK.
europepmc   +1 more source

High‐Efficiency Generation of Vectorial Terahertz Beams via Surface‐Wave‐Excited Dielectric Metasurfaces

Small, EarlyView.
ABSTRACT Generating pre‐designed vectorial beams via on‐chip devices can yield many fascinating applications, but traditional diffraction‐based devices are bulky and inefficient. While plasmonic metasurfaces exhibit ultra‐compact sizes and deep‐subwavelength resolutions, their working efficiencies are limited by metallic losses.
Yu He, Yuanxi Liu, Yao Yao, Qingnan Cai, Dumeng Zhang, Xiangyu Jin, Shulin Sun, Zhuo Wang, Lei Zhou   +8 more
wiley   +1 more source

Enhanced Lateral Resolution in Acoustic Imaging: From High- to Super-Resolution. [PDF]

Sensors (Basel)
Xia Z, He H, Zhou Z, Pan S, Zhang S.
europepmc   +1 more source

Polarization-control components and narrow-band filters based on subwavelength grating structures

, 2017
Thesis (Ph. D.)--University of Rochester. Institute of Optics, 1996.Theoretical methods for modeling diffraction from grating structures are presented.
Morris, G. Michael (1952 - ), Peng, Song (1966 - )   +1 more
core  

Stretch Tunable Active Frequency Selective Fabric for Dynamically Switchable Bandstop and Transparency

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 4, July 2026.
This stretchable active frequency selective fabric achieves reversible switching between bandstop and transparent states through strain‐induced reconfiguration of its conductive network. Its zero‐power and mechanically tunable characteristics offer potential for wearable electromagnetic functional materials.
Hao Feng, Zhenjia Zhou, Hongling Liu, Yong Wang, Fuwang Guan, Ni Wang, Weidong Yu   +6 more
wiley   +1 more source