OPTICAL WAVEGUIDE AND METHOD FOR MANUFACTURING OPTICAL WAVEGUIDE

Title:

OPTICAL WAVEGUIDE AND METHOD FOR MANUFACTURING OPTICAL WAVEGUIDE

Document Type and Number:

WIPO Patent Application WO/2024/084681

Kind Code:

A1

Abstract:

Provided is an optical waveguide comprising: an optical propagation path that includes an organic electro-optic polymer material; and a layered structure that has a first layer that covers at least a portion of the optical propagation path and prevents oxygen permeation from outside toward the optical propagation path, and a second layer that prevents moisture permeation from outside toward the first layer. The first layer may include Al2O3 and the second layer may include SiO2. The layered structure may have a three-layer structure formed by stacking, in order, the second layer, the first layer, and a third layer that prevents moisture permeation from the optical propagation path toward the first layer.

Inventors:

SEKI ATSUSHI (JP)
OTOMO AKIRA (JP)
TOMINARI YUKIHIRO (JP)

Application Number:

PCT/JP2022/039263

Publication Date:

April 25, 2024

Filing Date:

October 21, 2022

Export Citation:

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Assignee:

ADVANTEST CORP (JP)
NAT INST INF & COMM TECH (JP)

International Classes:

G02F1/065

Foreign References:

JP2021043263A	2021-03-18
US20150034934A1	2015-02-05
JP2021113939A	2021-08-05
JP2021167851A	2021-10-21
JP2017119418A	2017-07-06
JP2016532577A	2016-10-20
JP2017008359A	2017-01-12

Other References:

JINGDONG LUO: "Tailored Organic Electro-optic Materials and Their Hybrid Systems for Device Applications", CHEMISTRY OF MATERIALS, AMERICAN CHEMICAL SOCIETY, US, vol. 23, no. 3, 8 February 2011 (2011-02-08), US , pages 544 - 553, XP093162545, ISSN: 0897-4756, DOI: 10.1021/cm1022344