Results 201 to 210 of about 2,650 (240)

High-capacity phase-sensitively amplified transmission in a field-deployed fiber cable. [PDF]

Commun Eng
Chen Z, Guo X, Chen Y, Xiao Y, Pan J, Liu Z, Lu C, Li Z.   +7 more
europepmc   +1 more source

Dynamic Wavefront Manipulation Enabled with VO₂-Based Reflective Terahertz Metasurfaces. [PDF]

Nanomaterials (Basel)
Huang R, Shi S, Sun M, Yang R, Lin Y, Wu M, Zhang M, Maksimenko S, He X.   +8 more
europepmc   +1 more source

High efficiency focusing vortex generation and multichannel multiplexing based on terahertz metasurfaces. [PDF]

Sci Rep
Li W, Meng T, Dong L, Liu L, Liu J, Zhao G.   +5 more
europepmc   +1 more source

300-GHz Photonics-Aided Wireless 2 × 2 MIMO Transmission over 200 m Using GMM-Enhanced Duobinary Unsupervised Adaptive CNN. [PDF]

Sensors (Basel)
Jiang L, Yu J, Zhang Q, Zhou W, Zhu M.
europepmc   +1 more source

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Polarization-Division-Multiplexed Nonlinear Frequency Division Multiplexing

Conference on Lasers and Electro-Optics, 2018
We experimentally demonstrate dual-polarization nonlinear frequency division multiplexing using the continuous spectrum in 1680 km of normal dispersion fiber at a burst rate of 128Gbit/s. The DGD penalties are shown to be negligible.
Gui, Tao, Gemechu, Wasyhun A., Goossens, Jan-Willem, Song, Mengdi, Wabnitz, Stefan, Yousefi, Mansoor I., Hafermann, Hartmut, Tao Lau, Alan Pak, Jaouen, Yves   +8 more
openaire   +3 more sources

On-chip multiplexing conversion between wavelength division multiplexing–polarization division multiplexing and wavelength division multiplexing–mode division multiplexing

Optics Letters, 2014
A compact silicon-on-insulator device used for conversions between polarization division multiplexing (PDM) and mode division multiplexing (MDM) signals is proposed and experimentally demonstrated by utilizing a structure combining the improved two-dimensional grating coupler and two-mode multiplexer.
Mengyuan, Ye, Yu, Yu, Jinghui, Zou, Weili, Yang, Xinliang, Zhang   +4 more
openaire   +2 more sources

Direct-detection polarization division multiplexed orthogonal frequency-division multiplexing transmission systems without polarization tracking

Optics Letters, 2012
We experimentally demonstrate a direct-detection polarization division multiplexed (PDM) orthogonal frequency-division multiplexing (OFDM) scheme without dynamic polarization tracking. Simply using a polarization-diverse receiver, the proposed multiple-input multiple-output assisted system can achieve bit-error rate of 10(-) over all possible received ...
Chih-Yun, Wang, Chia-Chien, Wei, Chun-Ting, Lin, Sien, Chi   +3 more
openaire   +2 more sources

Dual Polarization Nonlinear Frequency Division Multiplexing Transmission

IEEE Photonics Technology Letters, 2018
We experimentally demonstrate dual-polarization nonlinear frequency division multiplexing (NFDM) using the continuous spectrum in 1680 km of normal dispersion fiber, at the net data rate of 25.6 Gb/s. NFDM exhibits a gain of 0.4 dB in $Q$ -factor and 1 dB in total launch power when compared with burst mode OFDM.
Wasyhun A. Gemechu, Tao Gui, Jan-Willem Goossens, Mengdi Song, Stefan Wabnitz, Hartmut Hafermann, Alan Pak Tao Lau, Mansoor I. Yousefi, Yves Jaouen   +8 more
openaire   +3 more sources

Incompatibility of polarization-division multiplexing with wavelength-division multiplexing in soliton-transmission systems

Optics Letters, 1998
In a recent experiment it was demonstrated that polarization-division multiplexing was incompatible with wavelength-division multiplexing. We discuss a theoretical model that explains this result.
J P, Silmon-Clyde, J N, Elgin
openaire   +2 more sources

Cross-Polarization Modulation in Polarization-Division Multiplex Transmission

IEEE Photonics Technology Letters, 2010
We show theoretically and with the aid of computer simulations that the nonlinear depolarization induced by cross-polarization modulation leads to crosstalk between the polarization-division multiplex (PolDM) subchannels during their demultiplexing. This additive crosstalk can be approximated as additive Gaussian noise, and we derive expressions to ...
Marcus Winter, Dario Setti, Klaus Petermann   +2 more
openaire   +1 more source