Large mode area fibers using higher order modes

Details Large mode area fibers using higher order modes Large mode area fibers using higher order modes

2007-09-18

2007-09-18

Wood, Kevin S. (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S023000, C385S027000

Reexamination Certificate

active

11606718

ABSTRACT:
The specification describes an optical fiber device wherein a LOM is converted to an HOM prior to entering the gain section. The gain section is a few mode fiber that supports the HOM. The output from the gain section, i.e. the HOM, may be utilized as is, or converted back to the LOM. With suitable design of the few mode fiber in the gain section of the device, the effective area, Aeff, may be greater than 1600 μm2. The large mode separation in the gain section reduces mode coupling, allowing greater design freedom and reducing the bend sensitivity of the optical fiber.

REFERENCES:
patent: 5708669 (1998-01-01), DiGiovanni et al.
patent: 7171074 (2007-01-01), DiGiovanni et al.

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