Results 21 to 30 of about 82,242 (274)

FROG characterisation of SOA-based wavelength conversion using XPM in conjunction with shifted filtering up to line rates of 80 GHz [PDF]

open access: yes, 2006
The work we present here builds on recent work where we obtained 80 Gb/s error free performance using cross phase modulation (XPM) in an SOA in conjunction with a blue shifted bandpass filter.
Anandarajah, Prince M.   +7 more
core   +2 more sources

Reconfigurable High-Resolution Microwave Photonic Filter Based on Dual-Ring-Assisted MZIs on the Si3N4 Platform

open access: yesIEEE Photonics Journal, 2018
We report a reconfigurable optical filter chip based on the Si3N4 waveguide platform. Microwave filtering is realized using a device with optical-to-electrical mapping.
Qiankun Sun   +4 more
doaj   +1 more source

Flat-Top Eight-Channel Wavelength Division Demultiplexer for L-Band Optical Communication With Low Crosstalk

open access: yesIEEE Photonics Journal
We have demonstrated an eight-channel wavelength demultiplexer in the L-band based on a cascaded Mach-Zehnder interferometer (MZI) lattice filter fabricated on an 8-inch silicon nitride (SiN) photonics platform.
Yilin Zhong   +5 more
doaj   +1 more source

Silicon Add-Drop Filter Based on Multimode Grating Assisted Couplers

open access: yesIEEE Photonics Journal, 2016
We demonstrate the design, fabrication, and characterization of a two-mode silicon add-drop filter, which is based on multimode grating-assisted contra-directional couplers.
Huiye Qiu   +7 more
doaj   +1 more source

Angle-sensitive dynamic optical modulation based on Huygens metasurfaces

open access: yesResults in Physics, 2020
Recently, dynamic metasurfaces have attracted significant attention due to their ability to actively control electromagnetic waves upon external tunings. The realization of high performance dynamic metasurfaces-based devices remains a great challenge due
Jingjun Wu   +10 more
doaj   +1 more source

Multiband processing of multimode light: combining 3D photonic lanterns with waveguide Bragg gratings

open access: yes, 2013
The first demonstration of narrowband spectral filtering of multimode light on a 3D integrated photonic chip using photonic lanterns and waveguide Bragg gratings is reported. The photonic lanterns with multi-notch waveguide Bragg gratings were fabricated
Gross, Simon   +6 more
core   +1 more source

Free-standing plasmonic metal-dielectric-metal bandpass filter with high transmission efficiency

open access: yesScientific Reports, 2017
Plasmonic spectrum filtering devices based on metallic nanostructures have attracted wide attention due to their good reliability, ease of fabrication, and wideband tunability. However, the presence of thick substrate significantly limits the structure’s
Yuzhang Liang   +4 more
doaj   +1 more source

Characteristic Test Analysis of Graphene Plus Optical Microfiber Coupler Combined Device and Its Application in Fiber Lasers

open access: yesSensors, 2020
In this study, a graphene and optical microfiber coupler (OMC) integrated device (GOMC) was proposed and fabricated. After its characteristic analysis and testing, it was applied to the development of adjustable multi-wavelength fiber lasers.
Yang Yu   +7 more
doaj   +1 more source

Photonic ring resonator filters for astronomical OH suppression

open access: yes, 2017
Ring resonators provide a means of filtering specific wavelengths from a waveguide, and optionally dropping the filtered wavelengths into a second waveguide. Both of these features are potentially useful for astronomical instruments.
Bland-Hawthorn, J.   +11 more
core   +1 more source

Compact and integrated 2-D photonic crystal super-prism filter-device for wavelength demultiplexing applications

open access: yesOptics Express, 2006
A two-dimensional photonic crystal (PhC) super-prism integrated with one-dimensional photonic crystal microcavity filters has been designed using the plane wave expansion (PWE) and 2-D Finite Difference Time Domain (FDTD) methods based on Silicon-on-Insulator (SOI) technology. The super-prism operates as a coarse spatial filter with an average response
A, Jugessur   +5 more
openaire   +2 more sources

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