OPTICAL MODULE

WIPO Patent Application WO/2023/233534

A1

Provided is an end-surface connection type optical module capable of forming highly accurate optical connection while suppressing damage to optical end surfaces due to abutment of the optical end surfaces. The optical module according to the present disclosure is of an end-surface connection type in which an optical waveguide provided in an optical integrated circuit and an optical fiber provided in a fiber block form an optical connection at respective optical end surfaces. The fiber block has a protrusion part protruding from the optical end surface thereof to the upper surface of the optical integrated circuit when the fiber block is connected to the optical integrated circuit. The forming of the optical connection between the optical waveguide and the optical fiber includes abutting the bottom surface of the protrusion part and the upper surface of the optical integrated circuit before the optical end surfaces are connected.

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KAWAMURA YURIKO (JP)
IKUMA YUICHIRO (JP)
NASU YUSUKE (JP)
YAMADA TAKASHI (JP)
KIKUCHI KIYOFUMI (JP)

PCT/JP2022/022172

December 07, 2023

May 31, 2022

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NIPPON TELEGRAPH & TELEPHONE (JP)

G02B6/42

JP2014164270A	2014-09-08
JPH1195062A	1999-04-09
JP2000171668A	2000-06-23
JP2002090578A	2002-03-27
JP2000314819A	2000-11-14
US20200096715A1	2020-03-26
US10209452B1	2019-02-19

TANI & ABE, P.C. (JP)

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