Black phosphorus mid-infrared optical router based on fluoride waveguide or chalcogenide glass waveguide

Abstract

The invention belongs to the technical field of integrated optics or optical communication and discloses a black phosphorus mid-infrared optical router based on a fluoride waveguide or a chalcogenide glass waveguide. The optical router comprises at least one micro-ring optical router. Each micro-ring optical router comprises a bus optical waveguide I and a bus optical waveguide II in parallel, wherein a micro-ring is arranged between the bus optical waveguide I and the bus optical waveguide II and connected with an electrode, a black phosphorus layer is arranged on the whole micro-ring or a part of the micro-ring, the micro-ring provided with the black phosphorus layer comprises a fluoride waveguide or chalcogenide glass waveguide layer, a lower partition layer, the black phosphorus layer, an upper partition layer, another fluoride waveguide or chalcogenide glass waveguide layer and a cladding layer in sequence from bottom to top, and one side of the black phosphorus layer stretches to the position below the electrode. The black phosphorus mid-infrared optical router is used as an optical router.

Description

technical field [0001] The invention belongs to the technical field of integrated optics or optical communication, and discloses a black phosphorus mid-infrared optical router based on a fluoride waveguide or a chalcogenide glass waveguide. It is used to realize optical wavelength division multiplexing and optical routing functions. Background technique [0002] With the rapid development of integrated circuits, traditional electrical interconnection technology encounters a series of bottlenecks in terms of speed, bandwidth, power consumption, etc., which seriously restricts the development of integrated circuits. On-chip optical interconnection provides a feasible solution to this technical problem. Silicon photonics technology based on the SOI platform has unique advantages in the realization of on-chip optical interconnection systems due to its low cost, wide range of material sources, and good compatibility with existing microelectronic processing platforms. , has arou...

AI Technical Summary

Problems solved by technology

So far, most of the research on silicon-based optoelectronic devices is in the near-infrared band, mainly at 1550nm. Due to material limitations and other reasons, the research and development of silicon-based mid-infrared wavelength devices is relatively slow.

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