Results 111 to 120 of about 90,482 (273)

Long-range coupling of silicon photonic waveguides using lateral leakage and adiabatic passage

, 2013
We present a new approach to long range coupling based on a combination of adiabatic passage and lateral leakage in thin shallow ridge waveguides on a silicon photonic platform.
Greentree, A. D., Hope, A. P., Mitchell, A., Nguyen, T. G.   +3 more
core   +1 more source

Enhanced Self‐Phase Modulation in Silicon Nitride Waveguides Integrated With 2D MoS2 Films

Advanced Materials Technologies, EarlyView.
ABSTRACT On‐chip integration of 2D materials provides a promising route toward next‐generation integrated optical devices with performance beyond existing limits. Here, significantly enhanced spectral broadening induced by self‐phase modulation (SPM) is experimentally demonstrated in silicon nitride (Si3N4) waveguides integrated with 2D monolayer ...
Shahaz S. Hameed, Di Jin, Aihao Zhao, Jiayang Wu, Junkai Hu, Irfan H. Abidi, Sebastien Cueff, Christian Grillet, Yuning Zhang, Houssein El Dirani, Corrado Sciancalepore, Sebastien Kerdiles, Quentin Wilmart, Sumeet Walia, Christelle Monat, David J. Moss   +15 more
wiley   +1 more source

Light-momentum-driven soft optical waveguide micro-actuators

Nature Communications
Radiation pressure of light allows us to exert forces and trap microscopic objects by highly focused laser beams in the form of optical tweezers. In principle, light also exerts mechanical forces in curved optical waveguides as photons alter their ...
Gergely T. Iványi, Cyril Slabý, Jana Kubacková, Alena Strejčková, Zuzana Jurašeková, Zoltán Tomori, Andrej Hovan, Lóránd Kelemen, Gaszton Vizsnyiczai, Gregor Bánó   +9 more
doaj   +1 more source

Recyclable and Binder‐Free EGaIn–Carbon Liquid Metal Composite: A Sustainable Approach for High‐Performance Stretchable Electronics, Thermal‐Interfacing and EMI‐Shielding

Advanced Materials Technologies, EarlyView.
Binder‐free EGaIn–CB composite deliver printable, recyclable liquid‐metal conductors without sintering or polymer binders. Only 1.5 wt% CB yields shear‐thinning, high‐viscosity rheology, ∼60% bulk EGaIn conductivity, robust stretchability, high thermal conductivity, and strong EMI shielding (35 → 70 dB at 100% strain).
Elahe Parvini, Abdollah Hajalilou, Pedro A. Lopes, Tiago A. Morgado, Mahmoud Tavakoli   +4 more
wiley   +1 more source

Responsive Visible‐Wavelength Metasurfaces from Porous Silicon Based on Fano Guided‐Mode Resonance

Advanced Optical Materials, EarlyView.
The article introduces mesoporous silicon metasurfaces (pSi‐MS) supporting Fano guided‐mode resonances in the visible regime. By combining top‐down lithographic patterning of 2D gratings with bottom‐up electrochemical porosification, the approach realizes a new class of responsive metasurfaces, enabling highly sensitive and portable platforms for small
Tomoshree Dash, Saddam Gafsi, Estevao Marques Dos Santos, Ivan Kravchenko, Judson D. Ryckman   +4 more
wiley   +1 more source

Quasi‐Single‐Mode Polaritonic Crystal for Hyperbolic Phonon‐Polaritons

Advanced Optical Materials, EarlyView.
Near‐field study of the polaritonic Fourier crystal with α‐MoO3 reveals that the hyperbolic phonon‐polaritons within the Type‐I Reststrahlen band may form a quasi‐single‐mode Bloch wave where only the fundamental mode propagates in the crystal. Our results demonstrate the realization of a quasi‐single‐mode regime for the inherently multimode hyperbolic
Sergey G. Menabde, Yongjun Lim, Alexey Y. Nikitin, Pablo Alonso‐González, Jacob T. Heiden, Heerin Noh, Seungwoo Lee, Min Seok Jang   +7 more
wiley   +1 more source

Integrated nanoplasmonic waveguides for magnetic, nonlinear, and strong-field devices

Nanophotonics, 2017
As modern complementary-metal-oxide-semiconductor (CMOS) circuitry rapidly approaches fundamental speed and bandwidth limitations, optical platforms have become promising candidates to circumvent these limits and facilitate massive increases in ...
Sederberg Shawn, Firby Curtis J., Greig Shawn R., Elezzabi Abdulhakem Y.   +3 more
doaj   +1 more source

Opto-PCB: Three demonstrators for optical interconnections [PDF]

, 2008
We report on a research project targeting optical waveguide integrated PCBs conducted within the European FP6 Network of Excellence on Micro-Optics NEMO.
Alajoki, T., Debaes, C., Destouches, N., Franc, J., Hendrickx, Nina, Karioja, P., Karppinen, M., Parriaux, O., Suyal, H., Taghizadeh, M., Thienpont, H., Van Daele, Peter, Van Erps, J., Van Steenberge, Geert, Vervaeke, M.   +14 more
core   +1 more source

Do's and Don'ts When Visiting Circularly Polarized Luminescence

Advanced Optical Materials, EarlyView.
This perspective presents our insights into the principles, challenges, and opportunities of circularly polarized luminescence (CPL). Highlighting key concepts such as the dissymmetry factor (glum) and molecular design strategies, we discuss advances in CPL efficiency, emerging NIR emitters, solid‐state applications, and the growing role of theory and ...
Rafael G. Uceda, Sandra Míguez‐Lago, Carlos M. Cruz, Sara P. Morcillo, Luis Álvarez de Cienfuegos, Víctor Blanco, Araceli G. Campaña, Maria Ribagorda, Delia Miguel, Juan M. Cuerva   +9 more
wiley   +1 more source

A Novel Approach to Realize Plasmonic Sensors via Multimode Optical Waveguides: A Review. [PDF]

Sensors (Basel), 2023
Arcadio F, Del Prete D, Zeni L, Cennamo N.   +3 more
europepmc   +1 more source