Title:
WAVELENGTH-DIVISION MULTIPLEXER FOR INTEGRATED OPTICAL SYSTEM
Document Type and Number:
Japanese Patent JPH0618736
Kind Code:
A
Abstract:
PURPOSE: To increase the number of spectrum channels that a multiplexer of limited size can collect without producing undesirable crosstalk in an integrated photoelectric circuit.
CONSTITUTION: To multiple a wave set arrayed according to the wavelength, two diffraction gratings 20A and 20B are formed at the edge of a common waveguide area 10. One diffraction grating converges waves of odd ranks on a 1st input 16A of an output waveguide 14 and the other diffraction grating converges waves of even ranks on a 2nd input 16B of the same output waveguie.
Inventors:
KUROODO ARUTEIIGU
Application Number:
JP7198793A
Publication Date:
January 28, 1994
Filing Date:
March 30, 1993
Export Citation:
Assignee:
ALCATEL NV
International Classes:
G02B6/124; G02B6/293; G02B6/12; G02B6/34; G02B6/42; (IPC1-7): G02B6/12; G02B6/28
Domestic Patent References:
| JPS61223711A | 1986-10-04 | |||
| JPH04282603A | 1992-10-07 |
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)
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