All-Optical MIMO Demultiplexing Using Silicon-Photonic Dual-Polarization Optical Unitary Processor

Dual-polarization (DP) arbitrary optical unitary processor (OUP) is a critical device to realize an energy-efficient multi-input-multi-output (MIMO) process of mode-division multiplexed (MDM) systems in the optical domain. In this paper, a 6-port OUP with polarization-splitter-rotators is realized o...

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Veröffentlicht in:Journal of lightwave technology 2023-06, Vol.41 (12), p.1-6
Hauptverfasser: Tanomura, Ryota, Tang, Rui, Soma, Go, Ishimura, Shota, Tanemura, Takuo, Nakano, Yoshiaki
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container_end_page 6
container_issue 12
container_start_page 1
container_title Journal of lightwave technology
container_volume 41
creator Tanomura, Ryota
Tang, Rui
Soma, Go
Ishimura, Shota
Tanemura, Takuo
Nakano, Yoshiaki
description Dual-polarization (DP) arbitrary optical unitary processor (OUP) is a critical device to realize an energy-efficient multi-input-multi-output (MIMO) process of mode-division multiplexed (MDM) systems in the optical domain. In this paper, a 6-port OUP with polarization-splitter-rotators is realized on a compact silicon photonic chip based on the multi-plane light conversion (MPLC) concept. All-optical MIMO demultiplexing of 300-Gbps 3-mode DP quadrature phase-shift-keying (QPSK) signal is demonstrated at 1540, 1550, and 1560-nm wavelengths with an energy consumption of around 1.5 pJ/bit. Since all-optical MIMO is transparent to the signal format, the energy cost (J/bit) would decrease inversely as we increase the baudrate, making it an attractive approach in reducing the power consumption of the future ultra-high-capacity MDM systems.
doi_str_mv 10.1109/JLT.2023.3276003
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subjects Couplers
Demultiplexing
Dual polarization (waves)
Energy consumption
Energy costs
Measurement by laser beam
Microprocessors
MIMO communication
Mode demultiplexing
Mode-division multiplexing (MDM)
Optical polarization
Phase shift keying
Phase shifters
Photonics
Power consumption
Programmable photonics
Quadrature phase shift keying
Silicon
Silicon photonics
title All-Optical MIMO Demultiplexing Using Silicon-Photonic Dual-Polarization Optical Unitary Processor
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