Inventor

PARK JAEGYU

KR20 patents

⚠️ This page may combine multiple inventors who share the name “PARK JAEGYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARK JAEGYU

ELECTRONICS & TELECOMMUNICATIONS RES INST

Thermo-optic optical switch

Wavelength division multiplexer

Optical coupler

Photodetector

Wavelength combiner unit and arrayed waveguide grating having the same

Optical input/output device, optical electronic system including the same, and method of manufacturing the same

Three-dimensional optical switch

Optical coupling device and method for manufacturing the same

Air screen detector device

Electro-optic modulator

Apparatus for generating optical signal of multi-channel

Opto-electronic system including optical input/output device

Method of manufacturing optical input/output device

Optical switch

Optical coupling device

KOREA ELECTRONICS TELECOMM

Optical coupler and optical device including the same

Flat-top mode generating device and arrayed waveguide grating having the same

Optical coupler having self-focusing region and arryed-waveguide grating structure including the same

Waveguide with reduced phase error and photonics device including the same

Semiconductor laser and method of fabricating the same