Bidirectional optical transceiver assembly

Details Bidirectional optical transceiver assembly Bidirectional optical transceiver assembly

1996-11-25

1998-11-17

Palmer, Phan T. H.

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

385 88, 385 93, G02B 636

Patent

active

058388591

ABSTRACT:
An optical transceiver assembly for use in a bidirectional system includes a beam splitter to direct an incoming signal to a photodiode. An outgoing signal from a laser diode is partially transmitted and partially reflected by the splitter. The reflected signal, which may reach the photodiode, constitutes crosstalk which is reduced by orienting the polarization direction of the splitter essentially parallel to that of the outgoing signal from the laser diode. In another embodiment, which enhances coupling efficiency, a single element asphere lens is positioned between the laser diode and the splitter.

REFERENCES:
patent: 5127075 (1992-06-01), Althaus et al.
patent: 5291571 (1994-03-01), Kunikane et al.
patent: 5347605 (1994-09-01), Isaksson
patent: 5408559 (1995-04-01), Takahashi et al.

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