High index-contrast fiber waveguides and applications
First Claim
Patent Images
1. A fiber waveguide having a waveguide axis, comprising:
- a core extending along the waveguide axis comprising a first dielectric material having a refractive index n1; and
a cladding extending along the waveguide axis and surrounding the core, the cladding comprising a second dielectric material having a refractive index n2<
n1;
wherein the fiber waveguide has a numerical aperture greater than 0.7.
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Abstract
High index-contrast fiber waveguides, materials for forming high index-contrast fiber waveguides, and applications of high index-contrast fiber waveguides are disclosed.
319 Citations
53 Claims
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1. A fiber waveguide having a waveguide axis, comprising:
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a core extending along the waveguide axis comprising a first dielectric material having a refractive index n1; and
a cladding extending along the waveguide axis and surrounding the core, the cladding comprising a second dielectric material having a refractive index n2<
n1;
wherein the fiber waveguide has a numerical aperture greater than 0.7. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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40. A fiber waveguide having a waveguide axis, comprising:
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a first portion extending along the waveguide axis comprising a first material having a refractive index n1 and a melting temperature, Tm; and
a second portion extending along the waveguide axis and surrounding the first portion comprising a second material having a refractive index n2 and a working temperature, Tw;
wherein |n1−
n2|≧
0.3 and Tm>
Tw. - View Dependent Claims (39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. An fiber waveguide having a waveguide axis, comprising:
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a core extending along the waveguide axis comprising a first dielectric material having a refractive index n1; and
a cladding extending along the waveguide axis and surrounding the core, the cladding comprising a second dielectric material having a refractive index n2;
wherein n1−
n2≧
0.5 - View Dependent Claims (52)
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53. A method, comprising:
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providing a fiber waveguide having a waveguide axis, wherein the fiber waveguide includes a first portion extending along the waveguide axis having a refractive index n1, and a second portion extending along the waveguide axis having a refractive index n2, wherein |n1−
n2≧
0.3, anddirecting an input signal into the fiber waveguide with an input signal power sufficient to cause the fiber waveguide to produce an output signal whose output signal power varies nonlinearly with respect to the input signal power.
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Specification