Remove Fiber Optic Signal Distortions with Virtual Filters
Removes signal distortions Simplifies electronic filtering Four-fold reduction in filter length
Optical signal transmission Stock trading fiber telecom
To compensate for the distortion, this novel technology first generates a model of the fiber by calculating the propagation of a wave through the fiber and creates a virtual fiber. This model is then used to real-time correct the transmitted signal by propagating the distorted signal backwards through the system in an electronic virtual environment. By reversing the sources of error, this electronic approach is more versatile and adaptable than physical means, as those are limited to material and physical characteristics. This technology is extendable to multi-wavelength schemes and can even be retrofitted to existing transmission systems.
Inventor: Li, Guifang | Goldfarb, Gilad
Priority Number: US8326159B2
IPC Current: H04B001006
US Class: 398208 | 398211
Assignee Applicant: University of Central Florida Research Foundation Inc.lando
Title: Electronic compensation of impairments using wavelet filters for backward propagation
Usefulness: Electronic compensation of impairments using wavelet filters for backward propagation
Summary: Method for compensating a transmission impairment over an optical transmission channel in optical transmission system of a wavelength division multiplexing (WDM) communication system.
Novelty: Compensating method for transmission impairment over optical transmission channel, involves solving nonlinear schrodinger equation using split-step Fourier method using linear operator with wavelet-based finite impulse response filter
Optics
Optical Fiber
USA
