VERTICAL CAVITY SURFACE EMITTING LASER DEVICE
First Claim
Patent Images
1. A vertical cavity surface emitting laser device comprising:
- a first reflective mirror;
a second reflective mirror having a periodic-refractive-index structure in which the refractive index periodically changes in the in-plane direction of a plane opposing the first reflective mirror; and
an active layer disposed between the first reflective mirror and the second reflective mirror,wherein the periodic-refractive-index structure includes a plurality of parts that disorder the periodicity of the periodic-refractive-index structure of the second reflective mirror andwherein the periodic-refractive-index structure is structured such that light incident on the periodic-refractive-index structure in the perpendicular direction to the in-plan direction of the periodic-refractive-index structure causes resonance in the in-plane direction and the light is emitted in the direction perpendicular to the in-plane direction.
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Abstract
A vertical cavity surface emitting laser device includes a first reflective mirror layer, a second reflective mirror layer, and an active layer disposed therebetween, wherein at least one of the first reflective mirror layer and the second reflective mirror layer includes a periodic-refractive-index structure in which the refractive index periodically changes in the in-plane direction and a part of the periodic-refractive-index structure includes a plurality of parts that disorder the periodicity.
33 Citations
22 Claims
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1. A vertical cavity surface emitting laser device comprising:
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a first reflective mirror; a second reflective mirror having a periodic-refractive-index structure in which the refractive index periodically changes in the in-plane direction of a plane opposing the first reflective mirror; and an active layer disposed between the first reflective mirror and the second reflective mirror, wherein the periodic-refractive-index structure includes a plurality of parts that disorder the periodicity of the periodic-refractive-index structure of the second reflective mirror and wherein the periodic-refractive-index structure is structured such that light incident on the periodic-refractive-index structure in the perpendicular direction to the in-plan direction of the periodic-refractive-index structure causes resonance in the in-plane direction and the light is emitted in the direction perpendicular to the in-plane direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 22)
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17-21. -21. (canceled)
Specification