Vol. 4 Issue 1
Year:2016
Issue:Jan-Mar
Title:Mode-Division Multiplexing over Few-Mode Fiber Using Coherent MIMO Digital Signal Processing
Author Name:Anuja Mishra, Sharad Mohan Shrivastava, Pooja Sharma, Prachi Agrawal and Rahul Parganiha
Synopsis:
As we know that the capacity limits of single mode fiber has almost reached its maxima, Space Division Multiplexing can be helpful for increasing the data rate requirement. This paper, inferred the transmission of 6 spatial and polarisation modes, each carrying the quadrature-phase-shift-keyed channels over few-mode fiber keeping lower differential group delay. The authors present a Multiple-Input Multiple-Output (MIMO) optical link based on coherent optics and its ability to exploit the inherent information capacity of a multimode fiber. A Coherent implementation differs from previous work in optical MIMO by allowing the system to tolerate smaller modal delay spread yet maintains the necessary diversity needed for MIMO operation. Here in this paper, the authors use Optiwave’s Optisystem software for carrying out required simulations. Optisystem provides Visualizer library consisting of spectrum analyzer, time domain visualizer, power meter, WDM analyzer, Oscilloscope visualizer, etc, which will be helpful in verifying whether the signal has been transmitted efficiently via Few-mode fiber from transmitter section to receiver one with significant flexibility.
Year:2016
Issue:Jan-Mar
Title:Mode-Division Multiplexing over Few-Mode Fiber Using Coherent MIMO Digital Signal Processing
Author Name:Anuja Mishra, Sharad Mohan Shrivastava, Pooja Sharma, Prachi Agrawal and Rahul Parganiha
Synopsis:
As we know that the capacity limits of single mode fiber has almost reached its maxima, Space Division Multiplexing can be helpful for increasing the data rate requirement. This paper, inferred the transmission of 6 spatial and polarisation modes, each carrying the quadrature-phase-shift-keyed channels over few-mode fiber keeping lower differential group delay. The authors present a Multiple-Input Multiple-Output (MIMO) optical link based on coherent optics and its ability to exploit the inherent information capacity of a multimode fiber. A Coherent implementation differs from previous work in optical MIMO by allowing the system to tolerate smaller modal delay spread yet maintains the necessary diversity needed for MIMO operation. Here in this paper, the authors use Optiwave’s Optisystem software for carrying out required simulations. Optisystem provides Visualizer library consisting of spectrum analyzer, time domain visualizer, power meter, WDM analyzer, Oscilloscope visualizer, etc, which will be helpful in verifying whether the signal has been transmitted efficiently via Few-mode fiber from transmitter section to receiver one with significant flexibility.
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