Mode converter

Details Mode converter Mode converter

2005-08-04

2010-11-16

Rahll, Jerry T (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

Reexamination Certificate

active

07835603

ABSTRACT:
An in-fiber mode converter comprises fiber portions (10) constituting an input microlens, a fiber portion (20) constituting a phase shifting region adapted to convert a propagation mode of an optical signal into another propagation mode, and fiber portions (30) constituting an output microlens. The fiber portions are spliced, the converter is compact and losses are minimized relative to mode conversion in free space.

REFERENCES:
patent: 4740974 (1988-04-01), Byron
patent: 2003/0165289 (2003-09-01), De Barros et al.
patent: 2003/0202761 (2003-10-01), Ruilier et al.
patent: 2004/0037505 (2004-02-01), Morin
patent: WO 99/49342 (1999-09-01), None
P. Chanclou et al, “Deesign and performance of expanded mode fiber using microoptics” Journal of Lightwave Technology, IEEE USA, vol. 20, No. 5, May 5, 200, pp. 836-842, XP002321915.
Nguyen Hogn Ky et al, “Efficient broadband intracor grating LP01-LP02mode converters for chromatic-dispersion compensation”, Mar. 15, 1998, vol. 23, No. 6, Optics Letters, pp. 445,447, XP000753367.

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