Inventor

OH KWANG RYONG

KR30 patents

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

OH KWANG RYONG

KOREA ELECTRONICS TELECOMM

Wavelength tunable external resonator laser using optical deflector

Method of manufacturing an integrated photoelectric receiving device

Semiconductor optical devices with differential grating structure and method for manufacturing the same

Reflective semiconductor optical amplifier (R-SOA) and superluminescent diode (SLD)

Reflective semiconductor optical amplifier (R-SOA) with dual buried heterostructure

Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same

Tunable demultiplexer and tunable laser with optical deflector

High speed optical signal processor including saturable absorber and gain-clamped optical amplifier

Logic element employing saturable absorber

Spot size converter and method of manufacturing the same

Method of manufacturing semiconductor optical device

Method of operating wavelength swept source apparatus

Optical Switching device

Method for fabricating an optical integrated circuit

Resonator, variable wavelength optical filter, and variable wavelength laser diode

Integrated semiconductor light source

Tunable external cavity laser diode using variable optical deflector

Filter-free wavelength converter

Frequency-tunable terahertz light source device

Superluminescent diode and method of manufacturing the same

System and method for switching channels using tunable laser diodes

Method of fabricating semiconductor optical device

Wavelength tunable light source integrated with optical amplifier, beam steering unit, and concave diffraction grating

Method for manufacturing an optical device

Long cavity single-mode laser diode

Optical deflector

Optical vision chip (OVC) and image recognition method using the same

Apparatus for modulating signal by using deflector integrated with dynamic single mode laser diode

ELECTRONICS & TELECOMMUNICATIONS RES INST

Optical sensor having external cavity laser outputting sensing and reference light

Resonator and optical sensor using the same for detecting a beating signal caused by interference of two output beams from first and second resonators