Results 31 to 40 of about 19,948 (281)

Experimental Demonstration of 1.2-Tb/s Optical PDM SCFDM Superchannel Multicasting by HNLF

open access: yesIEEE Photonics Journal, 2013
Threefold 1.2-Tb/s optical polarization-division-multiplexing (PDM) single-carrier frequency-division-multiplexing (SCFDM) and orthogonal-frequency-division-multiplexing (OFDM) superchannel multicasting, utilizing multiple-pump four-wave mixing (FWM) by ...
Yuanxiang Chen   +5 more
doaj   +1 more source

A survey on OFDM-based elastic core optical networking [PDF]

open access: yes, 2013
Orthogonal frequency-division multiplexing (OFDM) is a modulation technology that has been widely adopted in many new and emerging broadband wireless and wireline communication systems.
De Leenheer, Marc   +3 more
core   +2 more sources

Transmission Transparency and Potential Convergence of Optical Network Solutions at the Physical Layer for Bit Rates from 2.5 Gbps to 256 Gbps

open access: yesAdvances in Electrical and Electronic Engineering, 2017
In this paper, we investigate optical network recommendations GPON and XG-PON with triple-play services in terms of physical reach, number of subscribers, transceiver design, modulation format and implementation cost.
Rajdi Agalliu, Michal Lucki
doaj   +1 more source

Time-Delay Multiplexing of Two Beams in a Terahertz Imaging Radar [PDF]

open access: yes, 2010
We demonstrate a time-delay multiplexing technique that doubles the frame rate of a 660–690-GHz imaging radar with minimal additional instrument complexity.
Bryllert, Tomas   +5 more
core   +1 more source

A Highly Flexible Polarization Demultiplexing Scheme for Short-Reach Transmission

open access: yesIEEE Photonics Journal, 2015
We propose and experimentally demonstrate an effective and highly flexible polarization demultiplexing scheme based on a Stokes analyzer, which could be also applied to the nonorthogonal polarization division multiplexing (NPDM) schemes.
Zhiyu Chen   +9 more
doaj   +1 more source

Fibre segment interferometry using code-division multiplexed optical signal processing for strain sensing applications [PDF]

open access: yes, 2013
A novel optical signal processing scheme for multiplexing fibre segment interferometers is proposed. The continuous-wave, homodyne technique combines code-division multiplexing with single-sideband modulation.
Charrett, Thomas O. H.   +2 more
core   +1 more source

All-Optical Signal Regeneration in Polarization-Division-Multiplexing Systems

open access: yesIEEE Photonics Journal, 2011
Schemes of all-optical regeneration in polarization-division-multiplexing (PDM) systems are proposed and demonstrated with 2 × 10-Gb/s return-to-zero on-off-keying (RZ-OOK) transmission. Regeneration is achieved based on self-phase-modulation (SPM)
A.-L. Yi   +4 more
doaj   +1 more source

Experimental wavelength division multiplexed photon pair distribution

open access: yes, 2012
We have experimentally implemented the distribution of photon pairs produced by spontaneous parametric down conversion through telecom dense wavelength division multiplexing filters.
Agha, Imad   +4 more
core   +1 more source

Empirical analysis of polarization division multiplexing-dense wavelength division multiplexing hybrid multiplexing techniques for channel capacity enhancement

open access: yesInternational Journal of Electrical and Computer Engineering (IJECE), 2023
<span>This paper exemplifies dense wavelength division multiplexing combined with polarization division multiplexing with C-band frequency range-based single-mode fiber. In the proposed link, 32 independent channels with 16 individual wavelengths are multiplexed with two different angles of polarization.
Sabiqun Nahar   +2 more
openaire   +2 more sources

Coherent Optical DFT-Spread OFDM

open access: yes, 2011
We consider application of the discrete Fourier transform-spread orthogonal frequency-division multiplexing (DFT-spread OFDM) technique to high-speed fiber optic communications.
Wang, Fanggang, Wang, Xiaodong
core   +2 more sources

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