Inventor

JEONG JONG-SOOL

KR18 patents

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

JEONG JONG-SOOL

KOREA ELECTRONICS TELECOMM

Waveguide grating structure having linear and nonlinear waveguiding film

Nonlinear grating coupler using a tapered or stepped nonlinear thin film

Multi-channel optical receiving module

Spot size converter and method of manufacturing the same

Nonlinear Y-junction waveguide structure

Wavelength-shifted bidirectional wavelength division multiplexing optical network

Wavelength division demultiplexing device, and system using it

Coherent wavelength tunable laser apparatus

Optical line terminal for bidirectional wavelength-division-multiplexing optical network

Optical line terminal for monitoring and controlling upstream/downstream optical signals

Grating-assisted directional coupler formed a nonlinear thin film therein

ELECTRONICS & TELECOMMUNICATIONS RES INST

Reflective optical source device

Method and apparatus for selecting wavelength by wavelength tunable optical receiver

Wavelength/bandwidth tunable optical filter and driving method thereof

Optical signal processing apparatus using planar lightwave circuit with waveguide-array structure

KIM HYUN SOO

Optical waveguide platform with hybrid-integrated optical transmission device and optical active device and method of manufacturing the same

KIM DONG CHURL

Semiconductor optical devices and methods of fabricating the same

PARK MI-RAN

Multi-channel receiver optical sub assembly