Mode Division Multiplexing over 2km of OM2 fibre using rotationally optimized mode excitation with fibre coupler demultiplexer

2012 ◽  
Author(s):  
Joel Carpenter ◽  
Timothy D. Wilkinson
Keyword(s):  
Mode Division Multiplexing ◽  
Mode Excitation

Cavity-mode excitation in a Josephson tunnel junction

1980 ◽  
Vol 22 (5) ◽  
pp. 2392-2395 ◽  
Author(s):  
Jhy-Jiun Chang ◽  
J. T. Chen
Keyword(s):  
Tunnel Junction ◽  
Cavity Mode ◽  
Mode Excitation ◽  
Josephson Tunnel

scholarly journals Selective normal mode excitation in multilayer thin film bulk acoustic wave resonators

2014 ◽  
Vol 105 (16) ◽  
pp. 162910 ◽  
Author(s):  
Andrey Kozyrev ◽  
Anatoly Mikhailov ◽  
Sergey Ptashnik ◽  
Peter K. Petrov ◽  
Neil Alford
Keyword(s):  
Thin Film ◽  
Acoustic Wave ◽  
Normal Mode ◽  
Bulk Acoustic Wave ◽  
Multilayer Thin Film ◽  
Mode Excitation ◽  
Film Bulk ◽  
Acoustic Wave Resonators ◽  
Bulk Acoustic Wave Resonators

A 2 × 20 Gbps hybrid MDM-OFDM–based high-altitude platform-to-satellite FSO transmission system

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Vel Murugan Gomathy ◽  
T. V. Paramasivam Sundararajan ◽  
C. Sengodan Boopathi ◽  
Pandiyan Venkatesh Kumar ◽  
Krishnamoorthy Vinoth Kumar ◽  
...  
Keyword(s):  
High Altitude ◽  
Orthogonal Frequency Division Multiplexing ◽  
High Speed ◽  
Satellite Communication ◽  
Input Power ◽  
Transmission System ◽  
Communication Link ◽  
Space Optics ◽  
High Altitude Platform ◽  
Mode Division Multiplexing

AbstractIn the present study, the application of free space optics (FSO) transmission system to realize a long-reach high-altitude platform (HAP)-to-satellite communication link has been exploited. High-speed information transmission without interference is accomplished using orthogonal frequency division multiplexing (OFDM). Further, the information capacity of the proposed system is increased by employing mode division multiplexing (MDM). We have investigated the proposed MDM-OFDM-HAP-to-satellite FSO transmission system performance over varying FSO range, diameter of the receiver, pointing errors, and input power. Also, an improved transmission performance of the proposed system using a square root module is reported.

40 Gb/s High-speed mode-division multiplexing transmission employing NRZ modulation format

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Rabiu Imam Sabitu ◽  
Nafizah Goriman Khan ◽  
Amin Malekmohammadi
Keyword(s):  
System Performance ◽  
High Speed ◽  
Direct Detection ◽  
Signal To Noise Ratio ◽  
Optical Signal ◽  
Threshold Power ◽  
Modulation Format ◽  
Transmission Distance ◽  
Mode Division Multiplexing ◽  
Speed Mode

AbstractThis report examines the performance of a high-speed MDM transmission system supporting four nondegenerate spatial modes at 10 Gb/s. The analysis adopts the NRZ modulation format to evaluate the system performance in terms of a minimum power required (PN) and the nonlinear threshold power (PTH) at a BER of 10−9. The receiver sensitivity, optical signal-to-noise ratio, and the maximum transmission distance were investigated using the direct detection by employing a multimode erbium-doped amplifier (MM-EDFA). It was found that by properly optimizing the MM-EDFA, the system performance can significantly be improved.

scholarly journals Towards multichannel terahertz telecommunication based on mode division multiplexing

2020 ◽  
Author(s):  
V. S. Pavelyev ◽  
K. N. Tukmakov ◽  
Yu. Yu. Choporova ◽  
N. D. Osintseva ◽  
B. A. Knyazev
Keyword(s):  
Mode Division Multiplexing
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