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Related Experiment Video

Updated: Jul 2, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Optical implementation of orthogonal frequency-division multiplexing using time lenses.

Shiva Kumar¹, Dong Yang

¹Electrical and Computer Engineering, McMaster University, Hamilton, Ontario, Canada. kumars@mail.ece.mcmaster.ca

|September 2, 2008

Summary

Orthogonal frequency-division multiplexing (OFDM) is achieved in the optical domain using time lenses. This novel method effectively suppresses higher-order dispersions in optical fibers.

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Last Updated: Jul 2, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Area of Science:

Optoelectronics
Optical Communications
Signal Processing

Background:

Orthogonal frequency-division multiplexing (OFDM) is a key modulation technique in modern communication systems.
Fiber optic transmission is susceptible to chromatic dispersion, limiting data rates and transmission distances.
Higher-order dispersion effects further degrade signal quality in long-haul optical networks.

Purpose of the Study:

To implement optical orthogonal frequency-division multiplexing (OFDM) using time lenses.
To investigate the suppression of third- and higher-order dispersions in optical fibers using this technique.

Main Methods:

Utilizing the Fourier transforming properties of optical time lenses to implement OFDM.
Analyzing the impact of the proposed scheme on chromatic dispersion in transmission fibers.

Main Results:

Successful implementation of OFDM in the optical domain.
Significant suppression of third- and higher-order dispersions was demonstrated.
The proposed scheme offers a viable solution for mitigating dispersion impairments.

Conclusions:

Optical time lenses provide an effective method for implementing OFDM.
The technique shows promise for enhancing the performance of optical communication systems by reducing dispersion.
This approach could enable higher data rates and longer transmission distances in fiber optic networks.