The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2005
Filed:
May. 21, 2003
Applicants:
Yoshiki Kuhara, Osaka, JP;
Naoyuki Yamabayashi, Yokohama, JP;
Inventors:
Yoshiki Kuhara, Osaka, JP;
Naoyuki Yamabayashi, Yokohama, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/42 ; G02B006/34 ;
U.S. Cl.
CPC ...
Abstract
An optical transmitter comprises an optical transmission unit having a semiconductor optical amplifier, and an optical connector having a plurality of diffraction gratings. The plurality of diffraction gratings are arranged in parallel with each other and partly reflect respective wavelengths of light different from each other. The optical connector is connected to the optical transmission unit such that light from the semiconductor optical amplifier is incident on one of the plurality of diffraction gratings.