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:
Apr. 24, 2007
Filed:
Jun. 05, 2006
Hikaru Hoshi, Yokohama, JP;
Akinari Takagi, Yokosuka, JP;
Kiyokatsu Ikemoto, Yokohama, JP;
Kazuya Nobayashi, Edogawa-ku, JP;
Hikaru Hoshi, Yokohama, JP;
Akinari Takagi, Yokosuka, JP;
Kiyokatsu Ikemoto, Yokohama, JP;
Kazuya Nobayashi, Edogawa-ku, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a resonator using a three-dimensional photonic crystal. In the resonator, a range of choice of a resonance wavelength is wide and a desirable electric field distribution is obtained. The resonator according to the present invention includes a plurality of point defects provided in the three-dimensional photonic crystal. At least one of the plurality of point defects does not include a eigenmode in a photonic band gap of the three-dimensional photonic crystal.