US 12,248,181 B2
Optical module
Yuriko Kawamura, Musashino (JP); Takashi Yamada, Musashino (JP); Yusuke Nasu, Musashino (JP); and Yuichiro Ikuma, Musashino (JP)
Assigned to Nippon Telegraph and Telephone Corporation, Tokyo (JP)
Appl. No. 18/005,141
Filed by Nippon Telegraph and Telephone Corporation, Tokyo (JP)
PCT Filed Aug. 5, 2020, PCT No. PCT/JP2020/030090
§ 371(c)(1), (2) Date Jan. 11, 2023,
PCT Pub. No. WO2022/029941, PCT Pub. Date Feb. 10, 2022.
Prior Publication US 2023/0258872 A1, Aug. 17, 2023
Int. Cl. G02B 6/30 (2006.01); G02B 6/36 (2006.01); G02B 6/44 (2006.01)
CPC G02B 6/30 (2013.01) [G02B 6/362 (2013.01); G02B 6/444 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An optical module comprising:
an optical device including an optical waveguide chip;
an optical fiber being optically coupled to the optical waveguide chip; and
a fiber holding carrier being attached to the optical device, having a pickup area, and holding the optical fiber,
wherein the fiber holding carrier is provided with one or more protrusions to prevent the optical fiber from entering the pickup area; and
wherein the one or more protrusions further comprise a wall structure having a cylindrical shape with a hollow portion extending in a protruding direction, and comprise the pickup area at a bottom portion of the cylindrical shape.