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A cost-effective high-capacity OFDM based RoFSO transmission link incorporating hybrid SS-WDM-MDM of Hermite Gaussian modes

AMIT GROVER1,* , ANU SHEETAL1

Affiliation

  1. Department of Electronics and Communication Engineering, Guru Nanak Dev University, Regional Campus, Gurdaspur, India

Abstract

The scarcity of RF spectrum at lower frequencies has recently been addressed by millimeter wave transmission in wireless and radio-over-free-space optics networks for more flexible frequency spectrum allocation. In this paper, we report successful transmission of 2×4×20Gbit/s-40GHz information over an orthogonal frequency division multiplexing (OFDM) based Radio-over-Free space optics (RoFSO) transmission link by incorporating hybrid spectrum-slicing based wavelength division multiplexing (SS-WDM) and mode division multiplexing (MDM) of Hermite Gaussian (HG) modes up to a link reach up to 30 km under clear weather conditions. The proposed link is also investigated under the effect of atmospheric turbulence..

Keywords

SS-WDM, MDM, OFDM, RoFSO, Atmospheric turbulence.

Citation

AMIT GROVER, ANU SHEETAL, A cost-effective high-capacity OFDM based RoFSO transmission link incorporating hybrid SS-WDM-MDM of Hermite Gaussian modes, Optoelectronics and Advanced Materials - Rapid Communications, 14, 3-4, March-April 2020, pp.136-145 (2020).

Submitted at: Oct. 7, 2019

Accepted at: April 9, 2020