Optical modulation element

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12189220
APP PUB NO 20220244582A1
SERIAL NO

17701201

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Abstract

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An optical modulation element 100 includes a rib type optical waveguide that includes a rib portion 112 that has a P-N junction, a P-type slab area 114 that continuously extends from a P type area of the rib portion 112, and an N-type slab area 116 that continuously extends from an N type area of the rib portion 112. A first thin film 130 is formed on the P-type slab area 114 and is made of a material having an electron affinity that is different from that of the P-type slab area 114.

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Patent Owner(s)

  • FUJITSU OPTICAL COMPONENTS LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogawa, Kensuke Meguro, JP 43 896

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