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Barcoded End Facet Printed Photonic Chip And Barcode-Guided Direct Laser Writing

Patent Number: 11,501,097

Abstract

A barcoded end facet printed photonic chip includes: an optically transparent direct laser writing substrate including a transverse waveguide writing surface to receive a direct write laser light for off-axis direct write laser printing and a facet surface to receive the direct write laser light for on-axis direct write laser printing of a barcode-guided direct laser written optical coupling on the facet surface; a waveguide disposed in the optically transparent direct laser writing substrate and in optical communication with the facet surface; and an optically visible bulk impregnated barcode disposed in the optically transparent direct laser writing substrate arranged proximate to the waveguide and in optical communication with the facet surface.

patent description

(1) Disclosed is a barcoded end facet printed photonic chip comprising: an optically transparent direct laser writing substrate comprising a transverse waveguide writing surface to receive a direct write laser light for off-axis direct write laser printing and a facet surface to receive the direct write laser light for on-axis direct write laser printing of a barcode-guided direct laser written optical coupling on the facet surface; a waveguide disposed in the optically transparent direct laser writing substrate and in optical communication with the facet surface; and an optically visible bulk impregnated barcode disposed in the optically transparent direct laser writing substrate arranged proximate to the waveguide and in optical communication with the facet surface.

(2) Disclosed is a barcode-guided direct laser writer for barcode-guided direct laser writing of an optically transparent direct laser writing substrate, the barcode-guided direct laser writer comprising: a translation stage that receives an optically transparent direct laser writing substrate in an off-axis printing orientation or an on-axis printing orientation with respect to a direct write laser; a direct write laser in optical communication with the optically transparent direct laser writing substrate and that produces direct write laser light; an optical objective in optical communication with the optically transparent direct laser writing substrate and that receives an image of the optically transparent direct laser writing substrate; a light sensor in optical communication with the optically transparent direct laser writing substrate via the optical objective and that receives the image from the optical objective and produces image data from the image; an analyzer in electrical communication with the direct write laser, the light sensor, and the translation stage and that: controls the direct write laser so that the direct write laser produces the direct write laser light under the control of the analyzer; receives the image data from the light sensor and controls the direct write laser and the translation stage based on the image data; determines a position of a waveguide in the optically transparent direct laser writing substrate relative to an optically visible bulk impregnated barcode disposed in the optically transparent direct laser writing substrate; and controls the translation stage so that the translation stage positions the optically transparent direct laser writing substrate relative to the direct write laser under control of the analyzer to make a barcode-guided direct laser written optical coupling on a facet surface of the optically transparent direct laser writing substrate to form a barcoded end facet printed photonic chip from the optically transparent direct laser writing substrate via barcode-guided direct laser writing, wherein the optically transparent direct laser writing substrate forms a barcode-guided direct laser written optical coupling in response to receipt of the direct write laser light from the direct write laser at the facet surface, and the optically transparent direct laser writing substrate comprises: a transverse waveguide writing surface that receives the direct write laser light when disposed on the translation stage for off-axis direct write laser printing and the facet surface that receives the direct write laser light when disposed on the translation stage for on-axis direct write laser printing of the barcode-guided direct laser written optical coupling on the facet surface; a waveguide disposed in the optically transparent direct laser writing substrate and in optical communication with the facet surface; and the optically visible bulk impregnated barcode disposed in the optically transparent direct laser writing substrate arranged proximate to the waveguide and in optical communication with the facet surface.

(3) Disclosed is a process for barcode-guided direct laser writing of an optically transparent direct laser writing substrate, the process comprising: receiving an optically transparent direct laser writing substrate on a translation stage so that a facet surface of the optically transparent direct laser writing substrate is in optical communication with a direct write laser, the optically transparent direct laser writing substrate comprises: a transverse waveguide writing surface that receives direct write laser light when disposed on the translation stage for off-axis direct write laser printing and the facet surface that receives the direct write laser light when disposed on the translation stage for on-axis direct write laser printing of the barcode-guided direct laser written optical coupling on the facet surface; a waveguide disposed in the optically transparent direct laser writing substrate and in optical communication with the facet surface; and an optically visible bulk impregnated barcode disposed in the optically transparent direct laser writing substrate and arranged proximate to the waveguide and in optical communication with the facet surface. producing direct write laser light by the direct write laser; acquiring an image of the facet surface with the optically visible bulk impregnated barcode and the waveguide observable in the image; analyzing the image to determine the position of the waveguide relative to the optically visible bulk impregnated barcode; positioning the optically transparent direct laser writing substrate relative to the direct write laser light from the direct write laser so that the direct write laser light is received at the facet surface on-axis at a position corresponding to the waveguide in the optically transparent direct laser writing substrate; and forming, in response to receiving the direct write laser at the facet surface, a barcode-guided direct laser written optical coupling on the facet surface on-axis at the position corresponding to the waveguide in the optically transparent direct laser writing substrate to form a barcoded end facet printed photonic chip from the optically transparent direct laser writing substrate.

 

Created September 21, 2022, Updated December 15, 2023