Waveguide Shuffle Block for Optical Fiber Management
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Solution Overview
Problem
Current optical fiber shuffle systems for datacenter connectivity face challenges in efficiently managing and reconfiguring multiple optical fibers, leading to complex cabling and increased costs due to the need for manual intervention and individual ferrule connections.
Innovation Solution
The introduction of waveguide shuffle assemblies with cascaded or monolithic waveguide blocks and inter-block interfaces, which use embedded waveguides and V-groove fiber terminations to align and route optical fibers, reducing the need for individual ferrules and simplifying the connection process through mechanical and optical alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual ferrule connections are used for optical fiber shuffling, then individual fiber connections can be established, but the system complexity and cabling cost increase significantly
Solution Approach 1:
The patent merges multiple individual ferrule connections into a single integrated waveguide block. The waveguide block contains multiple embedded waveguides that simultaneously establish multiple optical fiber connections, replacing what would otherwise require multiple separate ferrule assemblies and manual connections. This consolidation reduces cabling complexity while maintaining connection reliability.
Solution Approach 2:
The waveguide block serves as an intermediary component between optical fiber cables and the optical switching system. Instead of directly connecting individual ferrules to fibers, the waveguide block with its embedded waveguides acts as a mediator that routes optical signals through integrated paths, simplifying the connection architecture and reducing manual intervention requirements.
2Manufacturing precision
If individual ferrule connections are used for each optical fiber, then precise alignment can be achieved, but the installation and maintenance time increases
Solution Approach 1:
The waveguides are pre-embedded within the waveguide block during manufacturing with precise alignment already established. This preliminary action of creating pre-aligned waveguide paths eliminates the need for time-consuming field alignment of individual ferrules during installation. The pre-configured waveguide block is simply installed as a unit, dramatically reducing installation time while maintaining alignment precision.
3Adaptability or versatility
If multiple individual ferrules are used for in-rack connectivity, then fiber shuffling can be implemented, but the space requirements and cost increase
Solution Approach 1:
The waveguide block consolidates multiple ferrule functions into a single compact component. Instead of requiring a large shuffle box to house multiple individual ferrule assemblies, the integrated waveguide block provides the same fiber shuffling capability in a much smaller footprint, reducing the space required for in-rack connectivity while maintaining full shuffling functionality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the management of optical fibers by reducing the complexity and cost of fiber shuffling, enabling scalable and efficient datacenter connectivity with reduced space requirements and easier installation and maintenance.
Implementation Method 1
a waveguide block having a plurality of embedded waveguides that connect each optical fiber within the plurality of optical fiber cables in a desired shuffle arrangement with a plurality of output interfaces
Implementation Method 2
V-groove fiber terminations to align and route optical fibers
Data Source
AI summary
A shuffle assembly for a computing device comprises at least one chassis waveguide shuffle block having a plurality of chassis inputs and a plurality of chassis outputs, and having a plurality of optical waveguides formed therein connecting the chassis inputs to the chassis outputs in a desired chassis shuffle arrangement. The shuffle assembly may further comprise at least one line card waveguide shuffle block having a plurality of line card inputs, at least one of the plurality of line card inputs, a plurality of line card outputs, and a plurality of waveguides formed therein connecting the plurality of line card inputs to the plurality of line card outputs in a line card shuffle arrangement. At least one optical ribbon cable may couple the at least one chassis waveguide shuffle block to the at least one waveguide shuffle block.