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US 11,994,712 B2Granted
Low loss and low dispersion optical fiber for data center optical communication
AssigneeCorning Incorporated
InventorsJohn David Downie, Ming-Jun Li, Xiaojun Liang, Hui Su
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Abstract
In some embodiments, a data center optical communications system includes: a transmitter comprising a light source, wherein the light source is configured to provide light; an optical fiber operably connected to said transmitter and configured to receive light from the light source, wherein the optical fiber has a length L of 50 km or greater; a receiver configured to receive light from the optical fiber, wherein the receiver includes a detector for detecting the light, wherein the system has a power consumption of 15 W or less.
Claims23
A data center optical communications system comprising a single-span transmission link, comprising:
- a wavelength-division multiplexing transmitter comprising a plurality of light sources, wherein each light source is configured to provide light;
- an optical fiber operably connected to said wavelength-division multiplexing transmitter and configured to receive light from the plurality of light sources, wherein the optical fiber has a length L of 50 km or greater, wherein the optical fiber has an absolute dispersion rate of less than 10 ps/nm/km and an attenuation rate of less than 0.17 dB/km and provides power consumption of 0.5 W to 4.5 W, wherein the optical fiber comprises a core and a cladding surrounding the core, wherein the core of the optical fiber comprises a relative refractive index Δ1 and wherein the cladding of the optical fiber comprises a relative refractive index Δ2, and wherein Δ2<Δ1;
- and
- a receiver configured to receive light from the optical fiber, wherein the receiver includes a detector for detecting the light;
- wherein the wavelength-division multiplexing transmitter, the optical fiber, and the receiver are configured to transmit light unidirectionally from the wavelength-division multiplexing transmitter to the receiver via the optical fiber;
- wherein the system comprises a single-span transmission link.
3 more elements
A data center optical communications system comprising a single-span transmission link, comprising:
- a wavelength-division multiplexing transmitter comprising a plurality of light sources, wherein each light source is configured to provide light;
- an optical fiber operably connected to said wavelength-division multiplexing transmitter and configured to receive light from the plurality of light sources, wherein the optical fiber has a length L of 50 km or greater, wherein the optical fiber has an absolute dispersion rate of less than 10 ps/nm/km and an attenuation rate of less than 0.17 dB/km and provides power consumption of 0.5 W to 4.5 W, wherein the optical fiber comprises a core and a cladding surrounding the core, wherein the cladding comprises a first cladding portion, a second cladding portion, and a cladding ring disposed between the first cladding portion and the second cladding portion, wherein the core of the optical fiber comprises a relative refractive index Δ1, wherein the first cladding portion of the optical fiber comprises a relative refractive index Δ2, wherein the cladding ring of the optical fiber comprises a relative refractive index Δ3, wherein the second cladding portion of the optical fiber comprises a relative refractive index Δ4, and wherein Δ1>Δ3>Δ4>Δ2;
- and
- a receiver configured to receive light from the optical fiber, wherein the receiver includes a detector for detecting the light;
- wherein the wavelength-division multiplexing transmitter, the optical fiber, and the receiver are configured to transmit light unidirectionally from the wavelength-division multiplexing transmitter to the receiver via the optical fiber.
2 more elements
An optical communications system comprising a single-span transmission link, comprising:
- a wavelength-division multiplexing transmitter comprising a plurality of light sources, wherein each light source is configured to provide light;
- an optical fiber operably connected to said wavelength-division multiplexing transmitter and configured to receive light from the plurality of light sources, wherein the optical fiber has a length L of 50 km or greater, wherein the optical fiber has an absolute dispersion rate of less than 10 ps/nm/km and an attenuation rate of less than 0.17 dB/km and provides power consumption of 0.5 W to 4.5 W;
- and
- a receiver configured to receive light from the optical fiber, wherein the receiver includes a detector for detecting the light;
- wherein the wavelength-division multiplexing transmitter, the optical fiber, and the receiver are configured to transmit light unidirectionally from the wavelength-division multiplexing transmitter to the receiver via the optical fiber.
2 more elements
Dependencies are inferred from the claim text.