Inventor

KWON O-KYUN

KR52 patents

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

KWON O-KYUN

KOREA ELECTRONICS TELECOMM

Folded cavity laser

Photo-induced electro-optic oscillator using a multiple quantum well pin diode

Compact optical logic operator array

Metal/semiconductor junction Schottky diode optical device using a distortion grown layer

Waveguide structure

Hybrid laser diode

Long wavelength surface-emitting semiconductor laser device and method for manufacturing the same

Multi-channel optical receiving module

Semiconductor optical device having current-confined structure

Polymer photodetector having resonant wavelength control function

Method of fabricating long wavelength vertical-cavity surface-emitting lasers

Wavelength-shifted bidirectional wavelength division multiplexing optical network

Reflective colorless optical transmitter

Hybrid laser diode for single mode operation and method of fabricating the same

Coherent wavelength tunable laser apparatus

Avalanche photodiodes and methods of fabricating the same

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

Compact external cavity tunable laser apparatus

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

Vertical cavity surface emitting laser module having monitoring photodiode and method of fabricating the same

Semiconductor device and method for forming the same

Long wavelength vertical cavity surface emitting laser device and method of fabricating the same

Method for fabricating semiconductor optical device

Photodetector for simultaneous recognition of multiple wavelengths, and method therefor

Vertical modulator with dual mode DBR

Wavelength tunable external cavity laser beam generating device

Method of etching for multi-layered structure of semiconductors in group III-V and method for manufacturing vertical cavity surface emitting laser device

Superluminescent diode, method of manufacturing the same, and wavelength-tunable external cavity laser including the same

Method of fabricating semiconductor device

Semiconductor optical device having current-confined structure

Multistage optical packet switching apparatus using self electro-optic-effect devices

Nonbiased bistable optical device having a lower mirror having a plurality of reflective layers repeatedly formed on a substrate

Method for fabricating multi-channel array optical device

ELECTRONICS & TELECOMMUNICATIONS RES INST

Reflective optical source device

High-output power quarter-wavelength shifted distributed feedback laser diode

Optical signal generating apparatus and operating method thereof

Method and apparatus for selecting wavelength by wavelength tunable optical receiver

Tunable semiconductor laser and operation method thereof

PARK MI-RAN

Tunable laser module

Multi-channel receiver optical sub assembly

Avalanche photodiodes having accurate and reproductible amplification layer

KIM HYUN SOO

Reflective semiconductor optical amplifier and optical signal processing method using the same

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

PYO JUNG-HYUNG

Semiconductor integrated circuits including grating coupler for optical communication and methods of forming the same

KIM DONG CHURL

Semiconductor optical devices and methods of fabricating the same

SAMSUNG ELECTRONICS CO LTD

Method and apparatus for reproducing first part of music data having plurality of repeated parts

OH SU HWAN

Superluminescent diode, method of manufacturing the same, and wavelength-tunable external cavity laser including the same

KWON O-KYUN

Semiconductor device and method for forming the same

HYUNDAI MOBIS CO LTD

Check valve for pump of electronically controlled brake system

KWON OH KEE

Distributed feedback-laser diodes