Article Dans Une Revue Laser and Photonics Reviews Année : 2023

Spatial and Polarization Division Multiplexing Harnessing On‐Chip Optical Beam Forming

Résumé

On‐chip spatial and polarization multiplexing has emerged as a powerful strategy to boost the data transmission capacity of integrated optical transceivers. State‐of‐the‐art multiplexers require accurate control of the relative phase or the spatial distribution among different guided optical modes, seriously compromising the optical transmission bandwidth and performance of the devices. To overcome this limitation, a new approach based on the coupling between guided modes in integrated waveguides and optical beams free‐propagating on the chip plane is proposed. The engineering of the evanescent coupling between the guided modes and free‐propagating beams allows spatial and polarization multiplexing with state‐of‐the‐art performance. A two‐polarization multiplexed link and a three‐mode multiplexed link using standard 220‐nm‐thick silicon‐on‐insulator technology have been developed. The two‐polarization link shows a measured −35 dB crosstalk bandwidth of 180 nm, while the three‐mode link exhibits a −20 dB crosstalk bandwidth of 195 nm. These links are used to demonstrate error‐free operation (bit‐error‐rate <10^−9 ) in multiplexing and demultiplexing of two and three non‐return‐to‐zero signals at 40 Gbps each, with power penalties below 0.08 and 1.5 dB for the two‐polarization and three‐mode links, respectively. The approach demonstrated for two polarizations and three modes is transferable to future implementation of more complex multiplexing schemes.

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Cite 10.5281/zenodo.805129 Article Eremicheva D., M. (2017). Aesthetic Principles Of «The Movement» In Philip Larkin’S Poetry Of The 1950S. Zenodo. https://doi.org/10.5281/ZENODO.805129

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hal-04610241 , version 1 (02-06-2025)

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David González-Andrade, Xavier Le Roux, Guy Aubin, Farah Amar, Thi Hao Nhi Nguyen, et al.. Spatial and Polarization Division Multiplexing Harnessing On‐Chip Optical Beam Forming. Laser and Photonics Reviews, 2023, 17 (11), ⟨10.1002/lpor.202300298⟩. ⟨hal-04610241⟩
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