Design of 16 × 100 Gbps free-space optical system using advanced modulation techniques

In this paper, advanced modulation techniques based on external modulation, such as I-AMI, AMI, and DBRZ, are designed to improve long-haul transmission and lower high power requirements in the FSO communication system. For long-haul 16 × 100 Gbps FSO systems, an alternate mark inversion modulation...

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Published in:Journal of optics (New Delhi) 2023-09, Vol.52 (3), p.1584-1601
Main Authors: Kathpal, Namita, Garg, Amit Kumar, Goyal, Priyanka, Awasthi, Yogendra Kumar
Format: Article
Language:English
Subjects:
Communications systems
Data transmission
Lasers
Modulation
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Research Article
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description In this paper, advanced modulation techniques based on external modulation, such as I-AMI, AMI, and DBRZ, are designed to improve long-haul transmission and lower high power requirements in the FSO communication system. For long-haul 16 × 100 Gbps FSO systems, an alternate mark inversion modulation approach with high-data rate distortion less transmission is possible. The results demonstrate improved performance in terms of performance indicators such as Q-factor (29.62) and BER (3.8e −193 ), as well as improved data transmission capabilities of up to 100 Gbps over a distance of 9 km in clear weather. Because here, AMI technique uses a low input power of 5 dBm instead of a conventional power of 10 dBm, the achieved findings demonstrate a reasonable reduction in signal degradation, especially nonlinear effects.
doi_str_mv 10.1007/s12596-022-01072-y
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subjects Communications systems
Data transmission
Lasers
Modulation
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Research Article
title Design of 16 × 100 Gbps free-space optical system using advanced modulation techniques
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