Bi-directional optical module

Details Bi-directional optical module Bi-directional optical module

2011-03-29

2011-03-29

Sedighian, M. R. (Department: 2613)

Optical communications

Optical transceiver

Including compensation

C398S138000, C398S159000, C398S164000

Reexamination Certificate

active

07917036

ABSTRACT:
An optical transceiver is provided which includes: a bi-directional optical subassembly; a printed circuit board which transmits and receives light for the bi-directional optical subassembly; and an outer casing which covers the bi-directional optical subassembly and the printed circuit board. The bi-directional optical subassembly includes: a laser diode; a photodiode; a stem on which to laser diode and the photo diode are mounted; a cap, which cooperates with the stern to seal the laser diode and the photodiode; and a crosstalk reducing structure for reducing optical and/or electric crosstalk. The crosstalk reducing structure may include a layer which is formed on an inner surface of the cap and is able to absorb an infrared ray.

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