Ring or linear cavity of all-fiber-based ultra short pulse...

Details Ring or linear cavity of all-fiber-based ultra short pulse... Ring or linear cavity of all-fiber-based ultra short pulse...

2010-03-16

2011-10-18

Nguyen, Dung (Department: 2828)

Coherent light generators

Optical fiber laser

C372S011000, C372S069000, C372S094000, C372S108000

Reexamination Certificate

active

08040927

ABSTRACT:
A ring-cavity or linear-cavity all-fiber-based ultra short pulse laser system and method of operating the same are provided. The all-fiber-based ultra short pulse laser system includes a pulse pump light source, a gain fiber, a first fiber signal pump combining unit, a broadband optical isolator, a fiber saturable absorber, an assistant light source, a second fiber signal pump combining unit, and a light coupling output. The first fiber signal pump combining unit is respectively connected to the pulse pump light source and the gain fiber to emit broadband amplified spontaneous emission, then the broadband amplified spontaneous emission passes through the broadband optical isolator. The second fiber signal pump combining unit is respectively connected to the assistant light source and the fiber saturable absorber. An ASE signal actively provides passive mode locking of the cavity, and the light coupling output partially outputs the laser. A dispersion fiber controls the temporal width.

REFERENCES:
patent: 6097741 (2000-08-01), Lin et al.
patent: 7317740 (2008-01-01), Peng et al.
patent: 7477664 (2009-01-01), Liu
patent: 2010/0296527 (2010-11-01), Nicholson
patent: 2011/0075686 (2011-03-01), Liu

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