Performance of DSP-assisted gray-coded DP-16-QAM Nyquist-DWDM super-channel transceiver for high-speed long-haul optical interconnects

Kakati, Dhiman; Sonkar, Ramesh Kumar

doi:10.1007/s11107-022-00988-6

Photon Netw Commun

2022

DOI: 10.1007/s11107-022-00988-6

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Performance of DSP-assisted gray-coded DP-16-QAM Nyquist-DWDM super-channel transceiver for high-speed long-haul optical interconnects

Dhiman Kakati

Ramesh Kumar Sonkar

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Cited by 4 publications

(1 citation statement)

References 35 publications

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“…Wavelength division multiplexing (WDM) along with cascade fiber Brag grating were used for reduction in spectral width of a transmitter to achieve a maximum system performance [8]. Therefore, passive optical network schemes such as wavelength division multiplexing (WDM) have great futures in optical fiber communication systems for increasing system capacity [9, 10], high bandwidth [11,12], cost-effective configurations, and sufficient level of performance by utilizing optical amplifiers [13,14]. Integrating WDM in PON will be an innovative and scalable broadband access technology RECEIVED…”

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confidence: 99%

Improved passive optical network RoF system based vertical cavity-surface emitting laser (VCSEL) optical source external modulation

Jalal,

Al-Maqdici

2023

Eng. Res. Express

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Passive Optical Network (PON) is a promising 5G optical fiber network technology, that can enhance reliability data rate, and bandwidth saving. This simulation- based study investigates the feasibility of implementing a vertical cavity-surface emitting laser (VCSEL) optical source along with wavelength-division multiplexing (WDM) for designing a PON radio over fiber (RoF) system that can authorize multi-subscribers, users, to simultaneously use the same optical fiber for Front long-haul data transmission. Three scenarios are proposed: First, a VCSEL, and a Mach-Zehnder Modulator with a distinctive frequency are made accessible to every user in the PON system. Whereas, in the second scenario, a continuous wave (CW) laser is used to replace the VCSEL in the same PON. 16 users are multiplexed by a WDM and transmitted over a link length of 200 km. The system performance is, thus measured in terms of Q-factor, and it is revealed that the VCSEL-based system outperforms the system utilized CW laser to a distance of 150 km, with a maximum gain in the Q-factor of about 4.5. Both postulated systems are able to achieve a maximum transmission distance of 180 km with a minimum Q-factor of 6. Moreover, to minimize, the input current of around 1 mA and the system complexity, a third scenario is presented in which one VCSEL with 193.1 THz is shared among multiple users. The Q-factor performance is then simulated for up to 72 users, revealing that the minimum level of acceptable Q-factor has been maintained up to a link length of 180 km.

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confidence: 99%

Improved passive optical network RoF system based vertical cavity-surface emitting laser (VCSEL) optical source external modulation

Jalal,

Al-Maqdici

2023

Eng. Res. Express

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Enhanced passive optical network system-based VCSEL and PSK electrical modulator for 5th generation

Yousif,

Jalal,

Al-Mukhtar

2024

Wireless Netw

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160-Gbps-8-port WDM PON-based RZ coder with vertical cavity surface-emitting laser (VCSEL) and CW laser

Jalal,

Al-Maqdici

2023

J Opt

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Performance of DSP-assisted gray-coded DP-16-QAM Nyquist-DWDM super-channel transceiver for high-speed long-haul optical interconnects

Cited by 4 publications

References 35 publications

Improved passive optical network RoF system based vertical cavity-surface emitting laser (VCSEL) optical source external modulation

Improved passive optical network RoF system based vertical cavity-surface emitting laser (VCSEL) optical source external modulation

Enhanced passive optical network system-based VCSEL and PSK electrical modulator for 5th generation

160-Gbps-8-port WDM PON-based RZ coder with vertical cavity surface-emitting laser (VCSEL) and CW laser

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