Ultra-compact waveguide crossing for a mode-division multiplexing optical network

Ultra-compact waveguide crossing for a mode-division multiplexing optical network

We propose and experimentally demonstrate an ultra-compact multimode waveguide crossing that can process two modes simultaneously. The symmetric Y-junction is introduced to split the high-order modes into fundamental ones, easing the subsequent processing. The footprint of the proposed crossing is a...

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Veröffentlicht in:Optics letters 2017-12, Vol.42 (23), p.4913-4916
Hauptverfasser: Sun, Chunlei, Yu, Yu, Zhang, Xinliang
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container_title Optics letters
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creator Sun, Chunlei
Yu, Yu
Zhang, Xinliang
description We propose and experimentally demonstrate an ultra-compact multimode waveguide crossing that can process two modes simultaneously. The symmetric Y-junction is introduced to split the high-order modes into fundamental ones, easing the subsequent processing. The footprint of the proposed crossing is as compact as 21  μm×21  μm. The measured results show an insertion loss of ∼1.82  dB for the TE mode and ∼0.46  dB for the TE mode at 1550 nm, as well as a crosstalk of
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title Ultra-compact waveguide crossing for a mode-division multiplexing optical network
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