Results 31 to 40 of about 3,991 (213)

Artificial Immune Network Design of Optical Multiplexers/Demultiplexers

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
An efficient design approach of directional couplers based multiplexers/demultiplexers for optical communication applications, by using an adapted artificial immune network algorithm for optimization (opt-AiNet), is presented and validated by using the ...
Carlos H. Silva-Santos   +2 more
doaj   +1 more source

Optical fibre demultiplexers for systems of the information transfer [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2010
The manufacturing techniques of fused single-mode multiplexer/demultiplexer with high coefficient of optical isolation (up to 60 dB) and low losses (less than 0,4 dB) are presented. Optical characteristics of the made samples are investigated. Results of
Dement’ev S. G.   +3 more
doaj  

Photonic Approach to Phased Array Application [PDF]

open access: yesRadioengineering, 2021
Many applications, including phased array antennas, require a significant and tunable time delay, which pure electrical methods cannot establish. A variable microwave true-time delay line utilizing a photonic approach is presented in this paper.
E. Udvary
doaj  

Time interleaved optical sampling for ultra-high speed A/D conversion [PDF]

open access: yes, 1998
A scheme is proposed for increasing the sampling rate of analogue-to-digital conversion by more than an order of magnitude by combining state-of-the-art A/D converters with photonic technology.
Koumans, R. G. M. P., Yariv, A.
core   +1 more source

Photoelectrochemical Photocurrent Switching Effect: A New Platform for Molecular Logic Devices

open access: yesCHIMIA, 2007
Unusual photoelectrochemical properties of titanium dioxide modified with iron(II) complexes allow application of these materials for the construction of various optoelectronic devices including switches, logic gates and even demultiplexers. All
Konrad Szaciłowski, Wojciech Macyk
doaj   +1 more source

CWDM self-referencing sensor network based on ring resonators in reflective configuration [PDF]

open access: yes, 2006
A new scalable self-referencing sensor network with low insertion losses implemented in Coarse Wavelength Division Multiplexing (CWDM) technology is reported.
Montalvo García, Julio   +2 more
core   +2 more sources

Multi-user distribution of polarization entangled photon pairs

open access: yes, 2015
We experimentally demonstrate multi-user distribution of polarization entanglement using commercial tele- com wavelength division demultiplexers. The entangled photon pairs are generated from a broadband source based on spontaneous parametric down ...
Diamanti, E.   +4 more
core   +3 more sources

Interleavers [PDF]

open access: yes, 2006
The chapter describes principles, analysis, design, properties, and implementations of optical frequency (or wavelength) interleavers. The emphasis is on finite impulse response devices based on cascaded Mach-Zehnder-type filter elements with carefully ...
Ridder, René M. de   +1 more
core   +3 more sources

Inverse design for material anisotropy and its application for a compact X-cut TFLN on-chip wavelength demultiplexer

open access: yesOpto-Electronic Science, 2023
Inverse design focuses on identifying photonic structures to optimize the performance of photonic devices. Conventional scalar-based inverse design approaches are insufficient to design photonic devices of anisotropic materials such as lithium niobate ...
Jiangbo Lyu   +11 more
doaj   +1 more source

Volume diffraction gratings for optical telecommunications applications: design study for a spectral equalizer [PDF]

open access: yes, 2004
The main characteristics required for a diffraction grating used for demultiplexing functions in spectral equalizing systems are investigated, both theoretically and experimentally.
Chevallier, Raymond   +5 more
core   +3 more sources

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