Patent

Registered SILICON PHOTONICS-BASED OPTICAL MODULATOR

Inventors
Sanghwa Yoo, Lee Jyung Chan, Lee Jun Ki, Park Heuk, Kim Sooyeon
Application No.
17545063 (2021.12.08)
Publication No.
20230068004 (2023.03.02)
Registration No.
11899334 (2024.02.13)
Country
UNITED STATES
Project Code
21HH5900, Development of On-Time·On-Rate Wireless Access and Optical Edge Cloud Networking Technologies for High-Precision Services, Lee Jun Ki
Abstract
A silicon photonics-based optical modulator is disclosed. The optical modulator includes first radio frequency (RF) metal electrodes that operate as a ground, phase shifters disposed between the first RF metal electrodes for optically modulating an optical signal transmitted along an optical waveguide, second RF metal electrodes disposed between the phase shifters for providing an RF electrical signal received from a driving driver located outside of the optical modulator through one end, resistor-inductors (RL) connected to another end of the second RF metal electrodes, an inductive line disposed between the RLs and a power supply for applying a bias voltage to the optical modulator and the driving driver, and a silicon capacitor disposed between the RLs and the power supply for preventing a degradation of an RF response characteristic of the silicon photonics-based optical modulator caused by the inductive line.
KSP Keywords
Bias voltage, Electrical signal, Optical modulator, Optical signal, Phase Shifter, Radio frequency (rf), Radio-frequency, Silicon capacitor, Silicon photonics, metal electrode, optical waveguides, power supply, response characteristics
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