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US 6,898,359 B2Granted
High index-contrast fiber waveguides and applications
AssigneeOmniGuide Communications
InventorsMarin Soljacic, Mihai Ibanescu, Torkel Engeness, Maksim Skorobogatiy, Steven G. Johnson, Ori Weisberg, Yoel Fink, Rokan U. Ahmad, Lori Pressman, Wesley A. King, Emilia Anderson, John D. Joannopoulos
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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.
Claims49
A fiber waveguide having a waveguide axis, comprising:
- 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 and the fiber waveguide has an axial optical modulation extending along the waveguide axis.
1 more element
An optical fiber having a waveguide axis, comprising:
- a core extending along the waveguide axis having a refractive index, n1;
- and
- a cladding extending along the waveguide axis and surrounding the core, the cladding having a refractive index n2<n1;
- and
- an axial optical modulation extending along the waveguide axis forming an optical cavity having a resonant wavelength λ, and a modal volume of less than or equal to 100 λ3.
2 more elements
A fiber waveguide device, comprising:
- 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|≧0.35, an axial optical modulation forming an optical cavity in the fiber waveguide;
- wherein during operation an input signal propagating in the fiber waveguide having a power between a first power value, P1, and a second power value, P2, causes the fiber waveguide to produce an output signal whose output signal power varies nonlinearly with respect to the input signal power.
A photonic crystal fiber having a waveguide axis, comprising:
- a core region extending along the waveguide axis;
- a confinement region extending along the waveguide axis and surrounding the core and comprising a chalcogenide glass;
- and
- an axial optical modulation extending along the waveguide axis forming an optical cavity in the photonic crystal fiber.
1 more element
Dependencies are inferred from the claim text.