1120-channel OAM-MDM-WDM transmission over a 100-km single-span ring-core fiber using low-complexity 4×4 MIMO equalization

Liu, Junyi; Lin, Zhenrui; Zhu, He; Shen, Lei; Mo, Shuqi; Li, Zhenhua; Zhang, Jingxing; Zhang, Junwei; Lan, Xiaobo; Liu, Jie; Yu, Siyuan

doi:10.1364/oe.455696

Cited by 14 publications

(5 citation statements)

References 16 publications

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“…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]. The performance of 64-quadrature amplitude modulation (QAM) OFDM over multicasting links is demonstrated.…”

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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“…A structured light called orbital angular momentum (OAM) mode has been used extensively to enhance the capacity of optical fiber links utilizing the spatial orthogonality of different OAM modes [14], [18], [19]. In recent years, the 1120-channel OAM-MDM-wavelength division multiplexing (WDM) and 224 OAM+WDM transmission through ring core, fiber have been reported using MIMO based receiver and without MIMO-based receiver, respectively [20], [21]. Moreover, OAM MDM transmission through few-mode fiber (FMF) with and without MIMO-DSP receivers also has been reported [22], [23].…”

Section: Introductionmentioning

confidence: 99%

Joint WDM and OAM Mode Group Multiplexed Transmission Over Conventional Multimode Fiber

Shukla

Gupta

2023

IEEE Photonics J.

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“…Thus, to further enhance the transmission capacity as well as low‐energy consumption at low cost, a few mode fiber or multimode fiber (MMF)‐based mode division multiplexing (MDM) has been expensively studied. The MDM‐based systems utilize the fiber mode space to adapt independent multiple mode channels and also increase the fiber transmission capacity 21 . Therefore, a future NGPON requires high capacity besides the architecture flexibility and reach, with feasible low‐cost and efficient power saving.…”

Section: Introductionmentioning

confidence: 99%

“…The MDM-based systems utilize the fiber mode space to adapt independent multiple mode channels and also increase the fiber transmission capacity. 21 Therefore, a future NGPON requires high capacity besides the architecture flexibility and reach, with feasible low-cost and efficient power saving. Wheel-based hybrid TWDM/OFDM PON over MMF-FSO links using MDM scheme enhances the coherent transceivers systems' flexibility and enables a system with low-power consumption and high performance.…”

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confidence: 99%

Wheel‐based 5G fronthaul/backhaul hybrid MDM‐NGPON/FSO system under Gamma‐Gamma turbulence and weather effects

Kumari,

Arya

2023

Int J Communication

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SummaryThis work presents the bidirectional and symmetric 40 Gbps wheel architecture comprising 16 channels‐based bidirectional hybrid next generation passive optical network with free space optics (NGPON/FSO) system using mode division multiplexing (MDM) scheme. The system incorporates a low‐cost high bandwidth and integrated time and wavelength division multiplexing with orthogonal frequency division multiplexing (TWDM‐OFDM) for data transmission over mixed fiber‐FSO links to various end users at donut modes 0 and 1. This system enhances the fifth generation (5G)‐based networks reliability, survivability, and flexibility, especially in rural places where the core fiber link may be damaged/destroyed under diverse turbulent and weather conditions. The obtained results depict the faithful multimode fiber range of 100 km with fixed FSO range of 100 m at −17 dBm receiver sensitivity and low power penalty of 0.2 dB at 10−9 bit error rate. Maximum FSO range of 2800 m under weak‐to‐strong Gamma‐Gamma turbulence and the effect of fog, rain, snow, and snow with rain can be obtained successfully with fixed 50 km fiber length. Also, the proposed wheel architecture provides superior performance over hybrid ring‐mesh architecture with high split ratio of 1:64. Moreover, the system can sustain up to 70 remote nodes at symmetric 10 Gbps throughput providing high gain, high optical signal‐to‐noise ratio, and low noise figure. The comparative literature work also reveals that the proposed architecture offers high bandwidth, security, long‐reach, and cost‐effectiveness in 5G fronthaul/backhaul networks.

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1120-channel OAM-MDM-WDM transmission over a 100-km single-span ring-core fiber using low-complexity 4×4 MIMO equalization

Cited by 14 publications

References 16 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

Joint WDM and OAM Mode Group Multiplexed Transmission Over Conventional Multimode Fiber

Wheel‐based 5G fronthaul/backhaul hybrid MDM‐NGPON/FSO system under Gamma‐Gamma turbulence and weather effects

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