Results 21 to 30 of about 19,948 (281)

High Speed Visible Light Communication Using Digital Power Domain Multiplexing of Orthogonal Frequency Division Multiplexed (OFDM) Signals

open access: yesPhotonics, 2021
In order to increase transmission capacity, multiplexing schemes in different physical dimensions, including time, frequency, modulation quadrature, polarization, and space, can be employed.
Wahyu-Hendra Gunawan   +4 more
doaj   +1 more source

Efficient fiber Bragg grating and fiber Fabry-Pe'rot sensor multiplexing scheme using a broadband pulsed mode-locked laser [PDF]

open access: yes, 2005
A pulsed broadband mode-locked laser (MLL) combined with interferometric interrogation is shown to yield an efficient means of multiplexing a large number of fiber Bragg grating (FBG) or fiber Fabry-Perot (FFP) strain sensors with high performance ...
Cranch, G A   +2 more
core   +1 more source

Joint distribution of polarization-multiplexed UWB and WiMAX radio in PON [PDF]

open access: yes, 2009
In this paper, the feasibility of the joint distribution of ultra-wideband (UWB) and WIMAX wireless using polarization multiplexing as a coexistence technique is proposed and experimentally demonstrated within the framework of passive optical networks ...
Llorente, Roberto   +3 more
core   +3 more sources

Automatic optical polarization demultiplexing for polarization division multiplexed signals

open access: yesOptics Express, 2009
We propose a new automatic optical polarization demultiplexing scheme for polarization division multiplexed (PDM) signals, which uses the radio frequency (RF) power from a low frequency RF power detector as a control signal. This scheme is based on the intrinsic characteristics of PDM signals and does not need to add a special signal at a PDM ...
Zinan, Wang, Chongjin, Xie
openaire   +2 more sources

A Hybrid Internet/CATV/5G Fiber-FSO Integrated System With a Triple-Wavelength Polarization Multiplexing Scenario

open access: yesIEEE Access, 2019
A hybrid Internet/cable television (CATV)/5G fiber-free-space optical (FSO) integrated system with a triple-wavelength polarization multiplexing scenario is attainably demonstrated for the first time.
Chung-Yi Li   +5 more
doaj   +1 more source

Silicon-Based Polarization and Wavelength Synchronous Demultiplexing Arrayed Waveguide Grating

open access: yesIEEE Photonics Journal, 2023
In this work, we propose an 8-channel arrayed waveguide grating (AWG) designed for synchronized de-multiplexing of both polarization and wavelength.
Yawen Bai   +3 more
doaj   +1 more source

Simulation of 1 x 2 OTDM router employing symmetric Mach-Zehnder switches [PDF]

open access: yes, 2005
In high-speed all-optical time division multiplexed (OTDM) routers it is desirable to carry out data routing, switching, clock recovery and synchronisation in the optical domain in order to avoid the bottleneck due to optoelectronics conversion.
Ghassemlooy, Zabih, Ngah, Razali
core   +2 more sources

Non-Uniform Constellations for Polarization Division Multiplexed CO-OFDM Systems [PDF]

open access: yesRadioengineering, 2021
In this paper we propose a~transmission scheme for Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) systems with Multiple Input - Multiple Output (MIMO) processing.
D. Perez-Calderon   +3 more
doaj  

Phase-coherent lightwave communications with frequency combs [PDF]

open access: yes, 2019
Fiber-optical networks are a crucial telecommunication infrastructure in society. Wavelength division multiplexing allows for transmitting parallel data streams over the fiber bandwidth, and coherent detection enables the use of sophisticated modulation ...
Andrekson, Peter A.   +7 more
core   +2 more sources

Silicon-based on-chip multiplexing technologies and devices for Peta-bit optical interconnects

open access: yesNanophotonics, 2014
An effective solution to enhance the capacity of an optical-interconnect link is utilizing advanced multiplexing technologies, like wavelength-division-multiplexing (WDM), polarization-division multiplexing (PDM), spatial-division multiplexing (SDM), bi ...
Dai Daoxin, Bowers John E.
doaj   +1 more source

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