Results 71 to 80 of about 2,648 (223)

Correlated photon-pair generation in a periodically poled MgO doped stoichiometric lithium tantalate reverse proton exchanged waveguide [PDF]

open access: yes, 2011
We demonstrate photon-pair generation in a reverse proton exchanged waveguide fabricated on a periodically poled magnesium doped stoichiometric lithium tantalate substrate.
Bonneau, D.   +15 more
core   +2 more sources

In‐situ training in programmable photonic frequency circuits

open access: yesNanophotonics, Volume 14, Issue 16, Page 2779-2786, August 2025.
Abstract Optical artificial neural networks (OANNs) leverage the advantages of photonic technologies including high processing speeds, low energy consumption, and mass production to establish a competitive and scalable platform for machine learning applications.
Philip Rübeling   +5 more
wiley   +1 more source

Generalization of an Optical ASA Switch

open access: yesApplied Sciences, 2019
An arrayed waveguide grating (AWG) is a kind of passive wavelength router, and it is the most promising technology for developing large optical switches.
Bey-Chi Lin
doaj   +1 more source

Photonic Integrated Circuits for Optical Satellite Links: A Review of the Technology Status and Space Effects

open access: yesInternational Journal of Satellite Communications and Networking, Volume 43, Issue 3, Page 210-228, May/June 2025.
ABSTRACT Optical satellite communications provide high‐data rates with compact and power efficient payloads that can solve the bottlenecks of RF technologies. Photonic integrated circuits have the potential to reduce the cost, size, weight, and power consumption of satellite laser communications terminals, by integrating all the required photonic ...
Giulio Terrasanta   +4 more
wiley   +1 more source

Development of a Polymeric Arrayed Waveguide Grating Interrogator for Fast and Precise Lithium-Ion Battery Status Monitoring

open access: yesBatteries, 2019
We present the manufacturing and utilization of an all-polymer arrayed waveguide grating (AWG) interacting with a fiber Bragg grating (FBG) for battery status monitoring on the example of a 40 Ah lithium-ion battery.
Jan Meyer   +4 more
doaj   +1 more source

Silicon Waveguide Integrated with Germanium Photodetector for a Photonic-Integrated FBG Interrogator

open access: yesNanomaterials, 2020
We report a vertically coupled germanium (Ge) waveguide detector integrated on silicon-on-insulator waveguides and an optimized device structure through the analysis of the optical field distribution and absorption efficiency of the device.
Hongqiang Li   +7 more
doaj   +1 more source

Optical Microfiber Biomedical Sensors: Classification, Applications, and Future Perspectives

open access: yesAdvanced Sensor Research, Volume 4, Issue 5, May 2025.
This review delves deeply into the various types of optical microfiber biosensors, grounded firmly in their fundamental principles, and underscores their indispensable roles in pushing forward biomedical advancements. It examines the latest advancements, challenges faced by these biosensors in practical applications, future directions, breakthroughs ...
Lili Liang   +5 more
wiley   +1 more source

Design and fabrication of E-band silica based dense wavelength-division multiplexing (DWDM) AWG

open access: yesResults in Optics
A E-Band,48 channels flat top silica based dense wavelength-division multiplexing (DWDM) arrayed waveguide grating (AWG) was designed and fabricated with 0.75 % relative refractive index difference.
Feng Han   +8 more
doaj   +1 more source

Reservoir Computing with All‐Optical Non‐Fading Memory in a Self‐Pulsing Microresonator Network

open access: yesAdvanced Optical Materials, Volume 13, Issue 11, April 14, 2025.
A photonic reservoir computing architecture based on 64 coupled silicon microring resonators is used to achieve non‐fading memory, demonstrating robust multi‐timescale signal processing capabilities. The passive photonic network exhibits nonlinear dynamics and multistability, facilitating extended information retention exceeding tens of microseconds ...
Alessio Lugnan   +4 more
wiley   +1 more source

Integrated Optic Sensing Spectrometer: Concept and Design

open access: yesSensors, 2019
In this paper the concept and design of an integrated optical device featuring evanescent field sensing and spectrometric analysis is presented. The device, termed integrated optics sensing spectrometer (IOSS), consists of a modified arrayed waveguide ...
Gloria Micó   +3 more
doaj   +1 more source

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