1600 Gbps PAM-4 FSO link enabled using OFCL-based WDM and OAM-multiplexing techniques

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

doi:10.1016/j.rio.2022.100287

Cited by 12 publications

(5 citation statements)

References 32 publications

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“…In addition, a wavelength division multiplexing (WDM) system using OAM multiplexing is presented. It is possible to achieve a BER of 10 −9 with 1.4 dB power penalty by using OAM beams at 1.6 Tbps [8]. There is a proposal for an 1120-channel MDM-OAM-WDM system over a 100 km ring-core fiber [9].…”

Section: Literature Reviewmentioning

confidence: 99%

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Realization of 4 × 200 Gbps 4-QAM OFDM-OWC System Using Higher Order OAM Modes for HAP-to-Satellites Scenario

Kumari,

Mishra

2024

Photonics

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Recently, there has been an increase in interest in using optical wireless communication (OWC) links on high-altitude platforms (HAPs) for satellite applications. We implement an orbital angular momentum (OAM) multiplexed orthogonal frequency division multiplexing (OFDM) system using an OWC link. A space-to-air scenario is considered in which transmission pointing errors, geometric loss, turbulence, and additional link losses are taken into account to extend the transmission range, system capacity, and throughput. At 200 Gbps per channel data rate, four different OAM modes are implemented with higher order Laguerre–Gaussian (LG) modes of [0,0], [0,13], [0,40], and [0,80]. An aggregate 800 Gbps data rate can deliver a maximum OWC range of 3300–5000 km for all channels. The maximum received power over the 1000 km range is −19.34 to −32.59 dBm with an additional gain of 0–2.5 dB. It is also possible to obtain a better performance over large distances of 500–3500 km with an error vector magnitude of 2.98–17.5%. Furthermore, a high gain of −40.80 dB, a signal-to-noise ratio (SNR) of 55.21 dB, and an optical SNR of 67.25 dB can be achieved for varied transmitter pointing errors of 0.1 rad. As compared to other literature, this system exhibits a superior performance.

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Section: Literature Reviewmentioning

confidence: 99%

“…Due to its ability to mitigate the capacity crunch of existing deployed OWC links, mode division multiplexing (MDM) has gained a lot of traction as defined in [7][8][9][10], but also possesses design complexity as well as throughput. However, the benefit of MDM is that it allows more transmission links to be accessible within an OWC link.…”

Section: Introductionmentioning

confidence: 99%

Realization of 4 × 200 Gbps 4-QAM OFDM-OWC System Using Higher Order OAM Modes for HAP-to-Satellites Scenario

Kumari,

Mishra

2024

Photonics

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“…In recent years, wavelength division multiplexing (WDM) and OAM have been integrated using multi-mode fibers (MMFs) with a range of 1000 m and a 10 Gbps throughput [4]. In [8], the WDM and OAM techniques were integrated at a 1.6 Tbps data rate. A hybrid OAM, WDM, and orthogonal frequency division multiplexing passive optical network (PON) was designed over 40 km MMF at 40 Gbps throughput in another study [9].…”

Section: Related Workmentioning

confidence: 99%

“…A Laguerre-Gaussian profile is attached to each polarization. In the proposed system, all spatial modes (LG[0,0], LG[0,2], LG[0,4], and LG[0,8]) are attached to both polarizations (X = Y), where 'LG[]' indicates the mode number starting from fundamental mode at [0,0] to the higher-order mode [0, [8]], taking both X and Y polarizations as X = Y in the Laguerre-Gaussian beams. Mathematically, the LG mode is defined as [20,21]:…”

Section: Proposed Designmentioning

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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“…In Ref. [ 34 ], a four-level enabled pulse amplitude modulation technique was used to enhance the performance of FSOC. The BER value achieved in this paper was 10 −9 .…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of multiple-beam WDM free space laser-communication system using homodyne detection approach

Gupta

Goel

2023

Heliyon

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1600 Gbps PAM-4 FSO link enabled using OFCL-based WDM and OAM-multiplexing techniques

Cited by 12 publications

References 32 publications

Realization of 4 × 200 Gbps 4-QAM OFDM-OWC System Using Higher Order OAM Modes for HAP-to-Satellites Scenario

Realization of 4 × 200 Gbps 4-QAM OFDM-OWC System Using Higher Order OAM Modes for HAP-to-Satellites Scenario

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

Performance analysis of multiple-beam WDM free space laser-communication system using homodyne detection approach

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