JP2023123752A5

JP2023123752A5 -

Info

Publication number: JP2023123752A5
Application number: JP2023107546A
Authority: JP
Filing date: 2023-06-29
Publication date: 2024-03-15

Description

本開示の光導波路モジュールは、上面と、該上面に接続する側面と、を有する基板と、電子部品を搭載するための凹部を有し、前記基板の上面に位置するとともに、クラッド層と、および前記クラッド層内に位置するコア層と、を備え、を有し、前記コア層は、前記凹部に露出する第１入射端面と、前記凹部と対向する位置においての出射端面が前記クラッド層からの外方に露出する出射端面と、有し光導波路と、前記側面は、前記出射端面側に位置する第１面を有しており、前記第１面は、前記出射端面よりも突出している。An optical waveguide module of the present disclosure includes a substrate having an upper surface and a side surface connected to the upper surface, a recess for mounting an electronic component, located on the upper surface of the substrate, and a cladding layer; a core layer located within the cladding layer, the core layer having a first incident end face exposed in the recess and an exit end face at a position facing the recess from the cladding layer. The optical waveguide has an output end surface exposed to the outside, and the side surface has a first surface located on the output end surface side, and the first surface projects beyond the output end surface.

Claims

a substrate having a top surface and a side surface connected to the top surface ;
a cladding layer located on the upper surface of the substrate and having a recess for mounting electronic components ;
a core layer located within the cladding layer ,
The core layer has a first incident end face exposed in the recess, and an output end face exposed from the cladding layer at a position facing the recess,
The side surface has a first surface located on the output end surface side,
In the optical waveguide module, the first surface protrudes beyond the output end surface .

The optical waveguide module according to claim 1, wherein the first surface has a surface roughness rougher than that of the output end surface .

The cladding has an output side surface on which the output end surface is located,
The optical waveguide module according to claim 1 or 2 , wherein the first surface has a surface roughness rougher than that of the output side surface .

The optical waveguide module according to claim 1 , wherein the first surface is roughened .

The core layer has a plurality of incident end surfaces, a dividing path having the incident end surfaces, a combining section where the dividing paths merge, and one output end surface connected to the combining section. , the optical waveguide module according to any one of claims 1 to 4.

The optical waveguide module according to claim 1 , wherein the cladding layer is made of quartz .

Further comprising a light emitting element,
The cladding layer has a recess,
The light emitting element is located within the recess,
The optical waveguide module according to claim 1 , wherein the core layer is exposed in the recess .

The optical waveguide module according to claim 7 , wherein the light emitting element is a laser diode .

The optical waveguide module according to claim 7 or 8 , further comprising an optical element located beyond the output end face .