Photonic Device And Method Of Making Same Using Nanowires
First Claim
1. A photonic device comprising:
- a first layer of a microcrystalline material on a substrate surface;
a second layer of a microcrystalline material on the substrate surface, the second layer being horizontally spaced from the first layer by a gap; and
a bramble of nanowires between the first layer and the second layer, the nanowires of the bramble having first ends integral to crystallites in each of the first layer and the second layer, the nanowires of the bramble extending into the gap from each of the first layer aid the second layer.
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Abstract
A photonic device, a method of making the device and a nano-scale antireflector employ a bramble of nanowires. The photonic device and the method include a first layer of a microcrystalline material provided on a substrate surface and a second layer of a microcrystalline material provided on the substrate surface horizontally spaced from the first layer by a gap. The photonic device and the method further include, and the nano-scale antireflector includes, the bramble of nanowires formed between the first layer and the second layer. The nanowires have first ends integral to crystallites in each of the first layer and the second layer. The nanowires of the bramble extend into the gap from each of the first layer and the second layer.
65 Citations
20 Claims
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1. A photonic device comprising:
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a first layer of a microcrystalline material on a substrate surface; a second layer of a microcrystalline material on the substrate surface, the second layer being horizontally spaced from the first layer by a gap; and a bramble of nanowires between the first layer and the second layer, the nanowires of the bramble having first ends integral to crystallites in each of the first layer and the second layer, the nanowires of the bramble extending into the gap from each of the first layer aid the second layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A photonic device comprising:
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a first layer of a microcrystalline material on a substrate surface; a second layer of a microcrystalline material on the substrate surface horizontally spaced from the first layer by a gap; and a nano-scale antireflector in the gap between the first layer and the second layer, the nano-scale antireflector being light absorptive both in a wide band of optical frequencies and over a wide range of incident angles, such that negligible light is reflected from the gap. - View Dependent Claims (13, 14)
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15. A method of making a photonic device comprising:
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providing a first layer of a microcrystalline material on a substrate surface; providing a second layer of a microcrystalline material on a substrate surface horizontally spaced from the first layer by a gap; and forming a bramble of nanowires between the first layer and the second layer, the nanowires of the bramble having first ends integral to crystallites in each of the first layer and the second layer, such that the nanowires of the bramble extend into the gap from opposing directions. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification