16 results about "Optical backplane" patented technology

The invention provides an optical fiber connector, an optical fiber adapter, an optical fiber connection assembly, an optical backboard and a system, which are used for improving the detection precision of link information of an optical link by a detection device. By introducing optical elements for transmitting data signals and detection signals with different reflectivity into the optical fiber connector and / or the optical fiber adapter, the optical fiber connection assembly transmits the data signals with lower reflectivity and transmits the detection signals with higher reflectivity, so that the signal quality of the data signals is ensured, and the detection accuracy is improved. And the intensity of the detection signal reflected by the optical fiber connection assembly can be increased, so that the detection precision of the detection device on the optical link can be improved.

Embodiments of the present application provide a line card, an optical backplane, and a network device. The line card is applied to a communication device. The communication device comprises: a chassis, comprising a front panel and a rear panel, wherein the front panel and the rear panel are arranged opposite to each other; and an optical backplane arranged in the chassis. The line card comprises: a package substrate, comprising a first optical engine, and a processing chip connected to the first optical engine; and a first light source module cage, which is optically connected to the first optical engine and is not arranged on the side close to the rear panel relative to the package substrate, wherein the first light source module cage is configured to allow an inserted first light source module to provide light to the first optical engine. The optical backplane is arranged on the side close to the rear panel relative to the package substrate.

A system includes a plurality of wafer-scale modules and a plurality of optical fibers. Each wafer-scale module includes an optical backplane and one or more die stacks on the optical backplane. The optical backplane includes a substrate and at least one optical waveguide layer configured to transport and / or manipulate photonic quantum systems (e.g., photons, qubits, qudits, large entangled states, etc.). Each die stack of the one or more die stacks includes a photonic integrated circuit (PIC) die optically coupled to the at least one optical waveguide layer of the optical backplane. The plurality of optical fibers is coupled to the optical backplanes of the plurality of wafer-scale modules to provide inter-module and / or intra-module interconnects for the photonic quantum systems.

Systems and methods are provided for implementing a free space light backplane structure including a body and a plurality of mirrors. The body includes a chamber, a front plate, and a plurality of apertures disposed in the front plate, the plurality of apertures including a first set of apertures and a second set of apertures. The plurality of mirrors includes first and second mirror arrays mounted at first and second sets of heights, respectively, within the chamber and aligned with first and second sets of holes located in the front plate. The first and second mirror arrays are arranged to guide a laser signal propagating through a free space, the laser signal is transmitted from the first device through the first set of apertures, between the first and second mirror arrays, and through the second set of apertures to the respective second device or from the respective second device through the first set of apertures, between the first and second mirror arrays, and through the second set of apertures to the first device.

The invention provides an optical backboard, communication equipment and a communication system, and belongs to the technical field of optical communication. The optical backplane comprises a support member, an optical fiber plate and two groups of first optical connectors. The optical fiber plate and the two groups of first optical connectors are fixed on the support member, and the two groups of first optical connectors are respectively located at two sides of a plane where the optical fiber plate is located. The optical fiber plate comprises two groups of first tail fibers, and the two groups of first tail fibers are respectively located at two sides of a plane where the optical fiber plate is located and are respectively connected with the two groups of first optical connectors. According to the optical back plate provided by the invention, the first tail fibers are arranged by fully utilizing the spaces on the two sides of the optical fiber plate. Therefore, the technical problem of tail fiber crossing is improved, the possibility of tail fiber breakage is reduced, and the maintenance of the optical backboard is also facilitated.

A backplane connector for mating with a daughter card connector assembly, the backplane connector having a forward orientation and a rearward orientation and comprising: (a) a retainer block configured for attachment to a backplane and defining a plurality of ferrule slots, each slot configured to receive a ferrule; (b) a plurality of ferrules disposed in the ferrule grooves; (c) a plurality of ferrule springs for pushing the plurality of ferrules forward; and (d) a plurality of ferrule spring retainers for retaining the ferrule springs and mounted rearward on the retainer block, wherein each ferrule spring retainer retains a spring for two or more ferrules.

The embodiment of the present application discloses a method for switching an optical backplane and an optical communication device. Each optical signal processing board in the optical communication device is connected to at least two optical backplanes, wherein the first optical backplane is the currently working optical backplane and the second optical backplane is the spare optical backplane. If the first optical link on the first optical backplane fails, the selection switch on the optical signal processing board is controlled to switch to disconnect the connection between the optical signal processing board and the first optical backplane, and connect the optical signal processing board and the second optical backplane. In other words, when an optical backplane fails, the spare optical backplane can be used to switch the faulty optical backplane. The normal transmission of the optical signal is guaranteed, and there is no need to replace the entire optical communication device, and the maintenance method is simpler.

A daughter card connector assembly includes: (a) a housing defining a first plane configured for mounting parallel to a backplane, a second plane for mounting parallel to a daughter card, and a plurality of parallel slots perpendicular to the first plane; and (b) one or more optoelectronic cards, each of the one or more optoelectronic cards disposed in one of the plurality of slots, and comprising at least: (i) a printed circuit board (PCB) defining at least a first edge and a second edge, where the first edge is parallel to a first plane when the optoelectronic cards are installed in the slots, and the second edge is parallel to a second plane when the optoelectronic cards are installed in the slots; the second edge is parallel to the second plane; (ii) a blind mating optical connector along the first edge; (iii) an electrical interface along the second edge; (iv) at least one optical component mounted on the PCB for converting between an electrical signal and an optical signal, the PCB being electrically connected to at least a portion of the electrical interface; and (v) one or more waveguides connecting the optical component and the optical connector.

The application discloses a kind of computing power node optical switching equipment and optical switching system, belong to optical switching field, considering that optical communication is naturally with the characteristics of larger bandwidth, and by first optical splitter, the optical signal multiplexing of computing power node can be multiple to optical switch, optical switch can flexibly realize the signal routing between each optical port, therefore, first optical splitter in the application includes at least one first end and multiple second ends, the first end is connected with a corresponding computing power node in server, and the second end is connected with optical switch through optical backplane;And optical switch can route the received optical signal to the corresponding target optical port under the control of control module;By controlling optical switch, the optical communication between different computing power node combinations performing the same computing task can be flexibly realized, and has larger bandwidth, and complex fiber layout can be avoided through optical backplane.

Embodiments of this disclosure disclose an optical backplane switchover method and an optical communication device. Each optical signal processing board in the optical communication device is connected to at least two optical backplanes, where a first optical backplane is a currently working optical backplane, and a second optical backplane is a spare optical backplane. If a first optical link on the first optical backplane is faulty, a selector switch on the optical signal processing board is controlled to perform switching, to disconnect the optical signal processing board from the first optical backplane and connect the optical signal processing board to the second optical backplane. In other words, when the optical backplane is faulty, switchover may be performed from the faulty optical backplane to the spare optical backplane. In this way, normal transmission of an optical signal is ensured without replacing the entire optical communication device, thereby simplifying maintenance.

The present application provides an optical fiber connector, an optical fiber adapter, an optical fiber connection assembly, an optical backplane, and a system, for use in improving the detection precision of a detection device with respect to link information of an optical link. An optical element for transmitting a data signal and a detection signal at different reflectivity is introduced into an optical fiber connector and / or an optical fiber adapter, such that an optical fiber connection assembly transmits the data signal at low reflectivity, and transmits the detection signal at high reflectivity. In this way, the signal quality of the data signal is guaranteed, and the intensity of the detection signal reflected by the optical fiber assembly is increased, thereby improving the detection precision of a detection device with respect to an optical link.

This application provides an optical backplane and its manufacturing method, an optical backplane assembly, and a communication device. The optical backplane includes a substrate and a first optical fiber. The first optical fiber includes a connecting segment and a bent tail segment. The connecting segment is disposed on one side of the substrate along the thickness direction. The substrate is connected to the connecting segment. The bent tail segment is folded relative to the connecting segment along the thickness direction. At least one end of the bent tail segment is disposed on one side of the substrate along the thickness direction. The optical backplane of this application can solve the problem of large space occupation of optical backplanes in the prior art.

A low loss ion exchange (IOX) waveguide disclosed herein includes a glass substrate having a top surface and including an alkali-aluminosilicate glass having Na2O between 3 and 15 mole percent and a Fe concentration of 20 parts per million (ppm) or less. The glass substrate includes a buried Ag-Na IOX region, wherein this region and a surrounding portion of the glass substrate define the IOX waveguide. The IOX waveguide has the optical loss (OL) less than or equal to 0.05 dB / cm and the birefringence value B less than or equal to 0.001. The glass substrate with multiple IOX waveguides can be used as an optical backplane for systems with optical functionality and can find use in data centers and high performance data transmission applications.

Systems and methods are provided for implementing a free space optical backplane structure including a body and a plurality of mirrors. The body includes a chamber, a front panel, and a plurality of apertures disposed in the front panel, the plurality of apertures including a first set of apertures and a second set of apertures. The plurality of mirrors includes first and second arrays of mirrors mounted at first and second sets of heights, respectively, within the chamber, and is aligned with the first and second sets of apertures located in the front panel. The first and second arrays of mirrors are arranged to direct laser signals travelling through free space that are transmitted from or to a first device through the first set of apertures, between the first and second arrays of mirrors, and to or from a corresponding second device through the second set of apertures.

The present disclosure relates to the technical field of optical communications, and provides an optical backplane, a communication device and a communication system. The optical backplane (200) comprises a support member (1), an optical fiber plate (2), and two groups of first optical connectors (3). The optical fiber plate (2) and the two groups of first optical connectors (3) are fixed on the support member (1), and the two groups of first optical connectors (3) are respectively located on two sides of a plane (20) where the optical fiber plate (2) is located. The optical fiber plate (2) comprises two groups of first tail fibers (211), and the two groups of first tail fibers (211) are respectively located on the two sides of the plane (20) where the optical fiber plate (2) is located and are respectively connected to the two groups of first optical connectors (3).

Systems and methods are provided for implementing a free space optical backplane structure including a body and a plurality of mirrors. The body includes a chamber, a front panel, and a plurality of apertures disposed in the front panel, the plurality of apertures including a first set of apertures and a second set of apertures. The plurality of mirrors includes first and second arrays of mirrors mounted at first and second sets of heights, respectively, within the chamber, and is aligned with the first and second sets of apertures located in the front panel. The first and second arrays of mirrors are arranged to direct laser signals travelling through free space that are transmitted from or to a first device through the first set of apertures, between the first and second arrays of mirrors, and to or from a corresponding second device through the second set of apertures.