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Kenichi Morosawa Patents |
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Inventor: Morosawa; Kenichi
Address: Ibaraki, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6466715 |
Multiplexer/demultiplexer for WDM optical signals |
October 15, 2002 |
| At least one input waveguide, plural output waveguides, an arrayed waveguide diffraction grating composed of plural channel waveguides successively extending in a length by .DELTA.L, an input slab waveguide for connecting the input waveguide with the arrayed waveguide diffraction gra |
| 6222956 |
Optical wavelength multiplexer/demultiplexer |
April 24, 2001 |
| Plurality of channel waveguides of an arrayed waveguide diffraction grating are arranged such that all of intervals thereof are not constant between each two adjacent channel waveguides at a first coupling portion for coupling an input slub waveguide and the arrayed waveguide diffraction |
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