Vertical cavity surface emitting laser device
First Claim
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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,wherein the periodic-refractive-index structure in the second reflective mirror comprises a first layer and a second layer,wherein the refractive index in the first layer periodically changes in the in-plane direction, andwherein the second layer includes parts that disorder the periodicity of the periodic-refractive-index structure.
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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.
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Citations
17 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, wherein the periodic-refractive-index structure in the second reflective mirror comprises a first layer and a second layer, wherein the refractive index in the first layer periodically changes in the in-plane direction, and wherein the second layer includes parts that disorder the periodicity of the periodic-refractive-index structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A vertical cavity surface emitting laser device comprising:
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a substrate; a first reflective mirror; an active layer; and a second reflective mirror, the first reflective mirror, the active layer, and the second reflective mirror being provided on the substrate, wherein the first reflective mirror and the second reflective mirror comprise a two-dimensional periodic-refractive-index structure, and the laser device emits light in a single transverse mode.
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Specification