A 40-Gbps fiber-FSO convergent transmission system employing OFCL-based WDM and external modulation technique

Atta, Rinki; Sarkar, Nilanjana; Dutta, Bubai; Patra, Ardhendu Sekhar

doi:10.1016/j.rio.2023.100421

Cited by 9 publications

(3 citation statements)

References 25 publications

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“…An MDM system utilizing OAM modes over 1.4 km ring-core fibers at 32 Gbaud is presented in [6]. A 40 Gbps fiber-free space optics (FSOs) system using OAM modes over a 50 km fiber with a 2.5 km FSO range is described in [14].…”

Section: Related Workmentioning

confidence: 99%

High-Efficiency 4 × 4 × 10 Gbps Orbital Angular Momentum Modes Incorporated into Satellite–Ground–Underwater Optical Wireless System under Diverse Turbulences

Kumari,

Mishra

2024

Photonics

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With their unique capability to deal with a considerable geographic area, satellite–ground–underwater optical wireless communication (OWC) systems are an appealing alternative to meet the ever-increasing demand for end-to-end broadband services. Using four different Laguerre–Gaussian (LG) modes, an orbital angular momentum (OAM) multiplexing method was developed to enhance the spectral efficiency and system capacity of the satellite–ground–underwater OWC system. At an aggregate throughput of 160 Gbps, LG[0,0], LG[0,2], LG[0,4], and LG[0,8] were realized. Various atmospheric conditions, water types, and scintillation effects were used to evaluate the performance of two separate OWC links for satellite-to-ground and ground-to-underwater communication. A maximum OWC range of 21,500–30,000 km has been obtained under weak-to-strong turbulence for satellite-to-ground scenarios, and a range of 12–27 m underwater for ground-to-underwater scenarios under various scintillation effects. At LG[0,0], in pure sea, the maximum gain is −75.02 dB, the noise figure is 75.02 dB, the output signal is −78.32 dBm, and the signal-to-noise ratio is 21.67 dB. In comparison with other works in the literature, this system shows a superior performance.

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Section: Related Workmentioning

confidence: 99%

High-Efficiency 4 × 4 × 10 Gbps Orbital Angular Momentum Modes Incorporated into Satellite–Ground–Underwater Optical Wireless System under Diverse Turbulences

Kumari,

Mishra

2024

Photonics

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“…A 1550 nm CW laser and an E/O converter with the average output power of 10 dBm and a linewidth of 0.1 MHz are used in the optical link. The output electric field of the optical signal can be described as: where E 0 is the amplitude and ω 0 is the angular frequency of the electric field [17].…”

Section: Optical Signalmentioning

confidence: 99%

Transmission of 10 Gbps C-band-signal-based Radio Over Fiber for Next Generation Communication Systems

Al Deen,

Abd

2024

JTIT

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Rapid development of 5G networks encourages researchers to improve the radio-over-fiber (RoF) technique in order to reach 10 Gbps data transmission rates, to increase bandwidth and range, while reducing latency and implementation cost. This paper evaluates an analog radio-over-fiber (ARoF) technique that is compatible with long-distance communication systems. We demonstrate a long distance transmission of a 28 GHz 64 QAM signal via a single mode fiber (SMF) after modulating it with the use of two parallel Mach-Zehnder modulators, without any optical amplifiers. The results show that our prototype solution is capable of transferring data over distances of up to 140 km, via SMF, with a 10 Gbps data rate. The error vector magnitude (EVM) was found to be 7.709%. The proposed system offers exceptional capabilities in terms of supporting high bitrates, while ensuring that EVM remains within the 3GPP limits. Compared to other works, the proposed solution proves to be superior in terms of performance, making it an ideal choice for next generation long-haul communication systems.

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“…It overcomes the coverage limitations of 5G signal transmission. FSO links are expected to compensate for the atmospheric loss of 5G signal transmission and considerably reduce the number of 5G base stations 9 – 13 . Integrating fibre optics, FSO, and 5G communications, the FSO-based interface between fibre and 5G communication enables high-speed and long-distance transmission.…”

Section: Introductionmentioning

confidence: 99%

Two-way free-space optics-based interface between fibre and 5G communication employing polarisation-orthogonal modulation

Lu,

Huang,

et al. 2023

Commun Eng

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Fifth-generation (5G) communication provides a substantial increase in data transmission capacity because of more available bandwidth and advanced communication techniques. It opens the door to a range of new applications, such as 4K/8K video streaming, Internet of Things, autonomous vehicles, unmanned aerial vehicles, and more. However, atmospheric attenuation poses a technical challenge for 5G communication, especially at higher frequencies. Free-space optics (FSO)-based interface between fibre and 5G communication integrates fibre optics, FSO and 5G communications, achieving high-speed and long-distance transmission and providing an alternative for 5G signal transport. Here we report a two-way fibre-FSO-5G wireless communication employing polarisation-orthogonal modulation. After 25-km single-mode fibre, 1-km FSO, and 20-m (millimetre-wave)/10-m (sub-6 GHz) radio-frequency wireless transport, satisfactorily low bit error rates and error vector magnitudes are acquired, meeting the demands of 5G emerging applications.

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A 40-Gbps fiber-FSO convergent transmission system employing OFCL-based WDM and external modulation technique

Cited by 9 publications

References 25 publications

High-Efficiency 4 × 4 × 10 Gbps Orbital Angular Momentum Modes Incorporated into Satellite–Ground–Underwater Optical Wireless System under Diverse Turbulences

High-Efficiency 4 × 4 × 10 Gbps Orbital Angular Momentum Modes Incorporated into Satellite–Ground–Underwater Optical Wireless System under Diverse Turbulences

Transmission of 10 Gbps C-band-signal-based Radio Over Fiber for Next Generation Communication Systems

Two-way free-space optics-based interface between fibre and 5G communication employing polarisation-orthogonal modulation

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