| Patent Number |
Title Of Patent |
Date Issued |
| 7414767 |
Semiconductor optical device and semiconductor optical package using the same |
August 19, 2008 |
| A semiconductor optical device, which includes a semiconductor substrate, an electro-absorption modulator, and at least one optical device is monolithically integrated on the semiconductor substrate. An insulative layer surrounds the electro-absorption modulator and the optical devices |
| 7350990 |
Shutter device for camera lens assembly |
April 1, 2008 |
| In a shutter device for use with a camera lens assembly, the shutter device includes a shutter base, a shutter blade is rotatably mounted on the shutter base, a magnet movably coupled to the shutter base so as to enable rotation of the shutter blade, and a yoke extending lengthwise w |
| 7288422 |
Photonic integrated device using reverse-mesa structure and method for fabricating the same |
October 30, 2007 |
| A photonic integrated device using a reverse-mesa structure and a method for fabricating the same are disclosed. The photonic integrated device includes a first conductive substrate on which a semiconductor laser, an optical modulator, a semiconductor optical amplifier, and a photo d |
| 7245644 |
Semiconductor monolithic integrated optical transmitter |
July 17, 2007 |
| A semiconductor monolithic integrated optical transmitter including a plurality of active layers formed on a semiconductor substrate is disclosed, which comprises: a distributed feedback laser diode including a grating for reflecting light with a predetermined wavelength and a first |
| 7142343 |
Electro-absorptive optical modulator module having monolithic integrated photo detector |
November 28, 2006 |
| An electro-absorptive optical modulator module monolithic-integrated on a semiconductor substrate, which includes a distributed feedback laser having a grating for oscillating light and to output the oscillated light through a first end and a second end of the module. An electro-absorpti |
| 7127134 |
Semiconductor optical device |
October 24, 2006 |
| A monolithic integrated semiconductor optical element is disclosed. The semiconductor optical element including a substrate, a first waveguide, formed on the substrate, including a first active layer for generating light, and a semi-insulating, grown on the substrate so as to surround a |
| 7116488 |
Optical system for zoom-camera |
October 3, 2006 |
| Disclosed is an optical system of a zoom-camera comprises a plurality of lens groups so that the path of a light can be multi-directionally refracted. The optical system comprises a base member, a first lens group mounted on the base member for refracting a light reflected and incident |
| 6624929 |
All-optical logic AND operation in a SOA-based Mach-Zehnder interferometer |
September 23, 2003 |
| The present invention relates to the all-optical logic AND operation in a SOA (semiconductor optical amplifier)-based Mach-Zehnder interferometer. More particularly, it relates to the technology making feasible ultra high-speed logic operations while maintaining a small size and a low in |
| 5821134 |
Method of manufacturing an optoelectronic device |
October 13, 1998 |
| Disclosed is a method of producing an electron-absorption modulator having a reverse mesa structure. In the electron-absorption modulator, a first clad of a first conductivity type, an active layer of the first conductivity type, a second clad layer of a second conductivity type and |