Title:
OPTICAL MODULATOR
Document Type and Number:
WIPO Patent Application WO/2023/238399
Kind Code:
A1
Abstract:
The prevent invention provides an optical modulator which enables adjustment of an optimum bias condition even in a dual electrode-type structure. Provided is an optical modulator which includes a semiconductor layer that has a p-n junction in an optical waveguide core and a high-frequency (RF) electrode and a ground electrode that are for applying an RF signal to the semiconductor layer and which modulates an optical signal by applying the RF signal and a bias voltage to the semiconductor layer, said optical modulator comprising a bias electrode that is disposed so as to face the ground electrode in a substrate, wherein the RF electrode and the bias electrode are connected to the semiconductor layer.
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Inventors:
TSUZUKI KEN (JP)
JIZODO MAKOTO (JP)
JIZODO MAKOTO (JP)
Application Number:
PCT/JP2022/023512
Publication Date:
December 14, 2023
Filing Date:
June 10, 2022
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G02F1/015
Domestic Patent References:
| WO2017159782A1 | 2017-09-21 |
Foreign References:
| JP2018128506A | 2018-08-16 | |||
| US20170146887A1 | 2017-05-25 |
Attorney, Agent or Firm:
TANI & ABE, P.C. (JP)
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