Tunable fiber amplifier and laser

Details Tunable fiber amplifier and laser Tunable fiber amplifier and laser

2008-04-29

2008-04-29

Leung, Quyen P (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Reexamination Certificate

active

11223691

ABSTRACT:
The present invention has a core and at least one cladding, where, by changing the temperature of the cladding, the material dispersion characteristic of the cladding is changed and a refractive index is varied to make fundamental-mode cutoff tunable as well; and the difference between dispersion slopes of core and cladding is crucial to the sharpness of the fundamental-mode cutoff.

REFERENCES:
patent: 6240226 (2001-05-01), Presby et al.
patent: 6243517 (2001-06-01), Deacon
patent: 6310999 (2001-10-01), Marcuse et al.
patent: 6324204 (2001-11-01), Deacon
patent: 6643429 (2003-11-01), Robinson et al.
patent: 6934313 (2005-08-01), Deacon
patent: 7079747 (2006-07-01), Gagnon et al.
patent: 2003/0067945 (2003-04-01), Gao et al.

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