Semiconductor saturable absorber device, and laser

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6826219
APP PUB NO 20030174741A1
SERIAL NO

10097500

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to the invention, a semiconductor saturable absorber mirror device for reflecting at least a proportion of electromagnetic radiation of essentially one given optical frequency impinging on said device, comprises a substrate with a Bragg reflector, and on top of this Bragg reflector a layered structure with at least one layer with saturably absorbing semiconductor material. A low index dielectric coating layer is placed on said outermost surface of said structure. The Bragg reflector and said layered structure are designed in a manner that the field intensity of radiation of said given frequency takes up a maximum at or near the interface between said structure and said dielectric material. The thickness of said dielectric coating layer may be varied and may for example be a quarter of a wavelength of said electromagnetic radiation in the dielectric material.

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Patent Owner(s)

Patent OwnerAddress
LUMENTUM SWITZERLAND AGRUTLISTRASSE 12 SCHLIEREN 8952

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Keller, Ursula Zurich, CH 21 276
Spuehler, Gabriel J Zurich, CH 5 96
Thomas, David Stephen Dietikon, CH 5 12
Weingarten, Kurt Zurich, CH 8 122

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