Sequentially increasing effective area in higher-order mode...

Details Sequentially increasing effective area in higher-order mode... Sequentially increasing effective area in higher-order mode...

2011-08-16

2011-08-16

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S027000, C385S031000

Reexamination Certificate

active

08000570

ABSTRACT:
Disclosed are multi-stage optical amplifiers that propagate higher-order mode (HOM) signals. One embodiment, among others, comprises a first segment of optical fiber in which a first HOM signal propagates, a second segment of optical fiber in which a second HOM signal propagates, and a mode converter that converts the first HOM signal into the second HOM signal.

REFERENCES:
patent: 6360045 (2002-03-01), Shoval et al.
patent: 6404951 (2002-06-01), Danziger
patent: 6768835 (2004-07-01), Ramachandran
patent: 2003/0202547 (2003-10-01), Fermann et al.
patent: 2004/0213513 (2004-10-01), Barros et al.
patent: 2005/0013572 (2005-01-01), Guan et al.
patent: 2005/0254763 (2005-11-01), Provost et al.
patent: 2010/0034500 (2010-02-01), Digiovanni et al.

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