Optical interferometer generating a mode-locked laser...

Details Optical interferometer generating a mode-locked laser... Optical interferometer generating a mode-locked laser...

2005-02-15

2005-02-15

Lee, Diane I. (Department: 2876)

Optical waveguides

With optical coupler

C385S039000, C356S477000, C356S480000

Reexamination Certificate

active

06856716

ABSTRACT:
An all-optical switch, an all-optical signal waveform reshaping element and an all-optical asymmetric demultiplexer are formed of an optical interferometer having a compact and simple structure. Nonlinear gain media are provided at positions different from each other in two arms of a Mach-Zehnder optical interferometer. Then, an optical cavity is formed by mounting a mirror on an optical input-output port in each of a first and a second multi-mode optical interferometers connected with the two arms. Furthermore, when a saturable absorption medium is placed on the mirror of one of the multi-mode optical interferometers, a mode-locked laser oscillation is induced.

REFERENCES:
patent: 5377284 (1994-12-01), Bulow
patent: 5825519 (1998-10-01), Prucnal
patent: 6034770 (2000-03-01), Kim et al.
patent: 6226090 (2001-05-01), Yoneyama
patent: 6697548 (2004-02-01), LoCascio et al.

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