Abstract:
High index-contrast fiber waveguides, materials for forming high index-contrast fiber waveguides, and applications of high index-contrast fiber waveguides are disclosed.
Abstract:
An optical waveguide including: a dielectric core region extending along a waveguide axis; and a dielectric confinement region surrounding the core about the waveguide axis, the confinement region comprising a photonic crystal structure having a photonic band gap, wherein during operation the confinement region guides EM radiation in at least a first range of frequencies to propagate along the waveguide axis, wherein the core has an average refractive index smaller than about 1.3 for a frequency in the first range of frequencies, and wherein the core a diameter in a range between about 4λ and 80λ, wherein λ is a wavelength corresponding to a central frequency in the first frequency range.
Abstract:
An optical waveguide having a workign mode with a tailored dispersion profile, the waveguide indlucing: (i) a dielectric confinement region surrounding a waveguide axis, the confinement region comprising a photonic crystal having at least one photomic bandgap, wherein during operation the confinement region guides EM radiation in a first range of frequencies to propagate along the waveguide axis; (ii) a dielectric core region extending along the waveguide awis and surrounded by the confinement region about the waveguide axis, wherein the core supports at least one guided mode in the first frequency range; and (iii) a dielectric dispersion tailoring region surrounded bz the confinement region about the waveguide axis, wherein the dispersion tailoring region introduces one or more additional modes in the first range of frequencies that interact with the guided mode to produce the working mode.
Abstract:
High index-contrast fiber waveguides, materials for forming high index-contrast fiber waveguides are disclosed. In one of the aspect of the invention, a high index-contrast fiber (701) includes a core (710) with refractive index n1 extending along a waveguide axis and a cladding layer (720) surrounding core (710) having an index of refraction n2. The core (710) incldues a hhigh index material, e.g., a chalcogenide glass and the cladding layer (720) includes a low index material, e.g., an oxide glass and/or halide hglass. The absolute difference between n1 and n2 is at least 0.35.
Abstract:
High index-contrast fiber waveguides (701) having a core (710) and a cladding (720), material for forming high index-contrast fiber waveguides (701), and applications of high index-contrast fiber waveguides (701) are disclosed.
Abstract:
An optical waveguide having a workign mode with a tailored dispersion profile, the waveguide indlucing: (i) a dielectric confinement region surrounding a waveguide axis, the confinement region comprising a photonic crystal having at least one photomic bandgap, wherein during operation the confinement region guides EM radiation in a first range of frequencies to propagate along the waveguide axis; (ii) a dielectric core region extending along the waveguide awis and surrounded by the confinement region about the waveguide axis, wherein the core supports at least one guided mode in the first frequency range; and (iii) a dielectric dispersion tailoring region surrounded bz the confinement region about the waveguide axis, wherein the dispersion tailoring region introduces one or more additional modes in the first range of frequencies that interact with the guided mode to produce the working mode.
Abstract:
High index-contrast fiber waveguides, materials for forming high index-contrast fiber waveguides, and applications of high index-contrast fiber waveguides are disclosed.
Abstract:
An optical waveguide (100) including: a dielectric core region (110) extending along a waveguide axis; and a dielectric confinement region (120) surrounding the core (110) about the waveguide axis, the confinement region (120) comprising a photonic crystal structure (122, 124) having a photonic band gap, wherein during operation the confinement region (120) guides EM radiation in at least a first range of frequencies to propagate along the waveguide axis, wherein the core (110) has an average refractive index smaller than about 1.3 for a frequency in the first range of frequencies, and wherein the core (110) has a diameter in a range between about 4μ and 80μ, wherein μ is a wavelength corresponding to a central frequency in the first frequency range.