Optical bidirectional module

Details Optical bidirectional module Optical bidirectional module

2006-06-06

2006-06-06

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S033000, C385S037000

Reexamination Certificate

active

07056037

ABSTRACT:
An optical bidirectional module10having therein light emitting element11which transmits optical signal to the end facet of the optical fiber, light receiving element12which receives optical signal from the end facet of the optical fiber and stair-shaped multi-level grating15, wherein the stair-shaped multi-level grating separates the first light path between the end facet of optical fiber and the light emitting element and the second light path between the end facet of optical fiber and the light receiving element by a different wavelength of each optical signal, when the module mixes and separates optical signal with different wavelengths traveling in opposite directions related to the end facet of the optical fiber1,used for bidirectional optical fiber communication by means of a wavelength multiplex system.

REFERENCES:
patent: 5555334 (1996-09-01), Ohnishi et al.
patent: 6504975 (2003-01-01), Yamagata et al.
patent: 08015582 (1996-01-01), None

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