Slotted branch type terahertz wave polarization beam splitter

Abstract

The invention discloses a slotted branch type terahertz wave polarization beam splitter. The beam splitter comprises a signal input end, a first signal output end, a second signal output end, a substrate, an inverse z-shaped slotted silicon waveguide and a z-shaped branch silicon waveguide, wherein the inverse z-shaped slotted silicon waveguide and the z-shaped branch silicon waveguide, which are not adjacent to each other, are arranged on the substrate; the inverse z-shaped slotted silicon waveguide is formed by connecting a rectangular slotted silicon waveguide, a first straight corner connecting silicon waveguide and a first output silicon waveguide in order; a first rectangular coupling slot is arranged on the rectangular slotted silicon waveguide; the z-shaped branch silicon waveguide is formed by connecting an octangular slotted waveguide, a rectangular waveguide, a second straight corner connecting silicon waveguide and a second output silicon waveguide in order; a second rectangular coupling slot is arranged on the octangular slotted waveguide; and signals are subjected to vertical incidence from the signal input end, pass through the inverse z-shaped slotted silicon waveguide and the z-shaped branch silicon waveguide and are output from the signal output ends. The beam splitter has the advantages of simple structure, high beam splitting rate, small dimension, low cost, convenience in preparation and the like.

Description

Technical field [0001] The present invention involves a beam device, especially the tutra bias polarizer with a groove branch. Background technique [0002] The Taihez wave refers to the electromagnetic wave with the frequency between 0.1THz ~ 10THz (wavelength in 30 μm ~ 3mm), which is located between microwave and infrared on the electromagnetic spectrum.Prior to the mid -1980s, due to the lack of effective methods and detection methods, scientists had a limited understanding of the electromagnetic radiation nature of the band. It was the only last spectrum in the electromagnetic spectrum that did not obtain more comprehensive research and used well.The interval is the "gap" area that human beings have not yet fully developed.Taehzbo is in the field of electronics transition from photonology, integrating the advantages of microwave communication and optical communication: First of all, Taehzbo's communication can obtain much width larger than microwave communication, which can ...

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Problems solved by technology

[0004] In order to overcome the disadvantages of relatively low beam splitting rate, complicated structure, difficult actual manufacturing process and high cost in the prior art, the present invention provides a slotted branch type terahertz wave polarization beam splitter with high beam splitting rate

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