Planar optical circuit and optical transmission system
US6829407B2 · kind B2 · utility
2Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2002 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Jun 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12159
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided herein are a planar optical circuit and optical transmission system in which signal light power can be adjusted with respect to signal light and light that is different from the wavelength band of the signal light can be maintained satisfactorily. The planar optical circuit 1 is composed of a filter 10 that can cause loss of variable wavelength dependence to signal light of a signal light wavelength band such that signal light input from a signal light input end 111 is caused to have loss at given wavelength dependent loss by filter 10 and is output from signal light output end 112.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.