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Optical and Quantum Electronics
Erschienen in: Optical and Quantum Electronics 5/2021

01.05.2021

A spectral-efficient 1 Tbps terrestrial free-space optics link based on super-channel transmission

verfasst von: V. Samuthira Pandi, Mehtab Singh, Jyoteesh Malhotra, Amit Grover

Erschienen in: Optical and Quantum Electronics | Ausgabe 5/2021

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Abstract

We propose a novel 1 Tbps super-channel terrestrial free-space optics (FSO) link using nine distinct Nyquist-wavelength division multiplexed (WDM) sub-carriers with 14 Gbaud symbol rate. Nine independent 112 Gbps polarisation multiplexed-16-quadrature amplitude modulated data streams are transported over each sub-carrier. Further, the sub-carriers are Nyquist-spaced using pre-filter with 15 GHz bandwidth, which is approximately equal to symbol rate. Through numerical simulations, we investigate the transmission range performance for varying attenuation levels due to external climate conditions. Bit-error rate (BER), optical signal to noise ratio (OSNR), and error vector magnitude (EVM %) are used as the evaluation metrics. The proposed Nyquist-WDM FSO transmission link demonstrates 7.46 bits/sec/Hz 1 Tbps information transmission. The proposed link exhibits large-bandwidth capacity to efficiently carry high-speed data for next generation long-haul optical wireless networks.
Vorheriger Artikel A novel hybrid data center architecture employing optically-switched WDM LANs over electrical fat trees
Nächster Artikel Nonlinear interaction of elliptical q-Gaussian laser beams with plasmas with axial density ramp: effect of ponderomotive force

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Metadaten
Titel
A spectral-efficient 1 Tbps terrestrial free-space optics link based on super-channel transmission
verfasst von
V. Samuthira Pandi
Mehtab Singh
Jyoteesh Malhotra
Amit Grover
Publikationsdatum
01.05.2021
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 5/2021
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-021-02931-x

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