Results 81 to 90 of about 92,341 (305)

Topological Photonic States in Waveguide Arrays

open access: yesAdvanced Physics Research, 2023
Topological photonics, accompanied by the ability to manipulate light, has emerged as a rapidly growing field of research. More platforms for displaying novel topological photonic states are being explored, thus offering efficient strategies for the ...
Juan Kang   +3 more
doaj   +1 more source

Localized Temperature Monitoring in Mouse Brain during Light Delivery via a Non‐Planar Tapered Fiber‐Integrated µRTD Sensor

open access: yesAdvanced Materials, EarlyView.
We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena   +6 more
wiley   +1 more source

Maneuvering Propagation of Surface Plasmon Polaritons Using Complementary Medium Inserts

open access: yesIEEE Photonics Journal, 2012
We propose a generic method for efficient maneuvering of surface plasmon polariton (SPP) modes along irregularly shaped metal-dielectric interfaces using strategically placed complementary medium inserts.
Weiren Zhu   +2 more
doaj   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

Advances in Electro-Optical Devices Enabled by Waveguide-Based Thin-Film Lithium Niobate

open access: yesCrystals
Lithium niobate (LN) materials have become a key platform for constructing core optoelectronic devices such as electro-optic (EO) modulators, optical frequency combs, and integrated optical waveguides, owing to their broad transparent window, mature ...
Jingsong Wang   +3 more
doaj   +1 more source

Unidirectional emission of GaN-on-Si microring laser and its on-chip integration

open access: yesNanophotonics, 2023
GaN-based microring lasers grown on Si are promising candidates for compact and efficient light sources in Si-based optoelectronic integration and optical interconnect due to their small footprints, low mode volume, low power consumption, and high ...
Zhao Hanru   +6 more
doaj   +1 more source

400%/W second harmonic conversion efficiency in $\mathrm{14 \mu m}$-diameter gallium phosphide-on-oxide resonators

open access: yes, 2018
Second harmonic conversion from 1550~nm to 775~nm with an efficiency of 400% W$^{-1}$ is demonstrated in a gallium phosphide (GaP) on oxide integrated photonic platform. The platform consists of doubly-resonant, phase-matched ring resonators with quality
Fu, Kai-Mei C.   +9 more
core   +1 more source

Investigation of ultrafast laser photonic material interactions: challenges for directly written glass photonics [PDF]

open access: yes, 2008
Currently, direct-write waveguide fabrication is probably the most widely studied application of femtosecond laser micromachining in transparent dielectrics.
Ams, M.   +6 more
core   +2 more sources

Stoichiometry‐Programmed MXenes via Precursor Engineering for High‐Performance EMI Shielding and Energy Storage

open access: yesAdvanced Materials, EarlyView.
Precursor carbon stoichiometry programs internal strain and oxygen substitution in Ti3AlCxO2‐x, deterministically switching Ti3CxO2‐xTz MXenes between highly aligned 2D nanosheets and spontaneous 1D nanoscrolls. This synthesis‐stage architecture control enables ultrathin X/W‐band EMI shielding with outstanding mass‐normalized performance and bending ...
Jaeeun Park   +12 more
wiley   +1 more source

Mid‐Infrared Optoelectronic Waveguide Devices with 2D Materials

open access: yesAdvanced Physics Research
Mid‐infrared (Mid‐IR) integrated optics has tremendous applications in spectroscopic sensing, imaging, and ranging. Compared with visible light and near‐IR wavelengths, the study of mid‐IR photonic integrated devices is limited due to the need for more ...
Liqiang Qi   +6 more
doaj   +1 more source

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