Universal Multi-Core Fiber for Data Center Interconnects
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Modern data center networks require numerous types of optical single-mode and multimode fibers for bi-directional communication, leading to space constraints and complex interconnect schemes, as they typically use separate fibers for different transmission windows like 1310 nm and 850 nm.
Innovation Solution
The implementation of a universal multi-core fiber (UMCF) interconnect that supports both single-mode and multi-mode propagation, coupled with wavelength-division multiplexing (WDM) devices, allowing for simultaneous bi-directional communication using dual-wavelength functionality, thereby replacing the need for multiple fiber types and simplifying interconnects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate optical single-mode and multimode fibers are used for different transmission windows (1310 nm and 850 nm), then reliable bi-directional communication is achieved, but space constraints and interconnect complexity increase
Solution Approach 1:
The patent combines multiple fiber types (single-mode and multimode) and multiple transmission windows (1310 nm and 850 nm) into a single universal multi-core fiber that supports all communication channels simultaneously. This merging eliminates the need for separate fiber infrastructures for different wavelengths and modes, directly reducing interconnect complexity while maintaining communication reliability through the unified fiber design.
Solution Approach 2:
The universal multi-core fiber is designed to perform multiple functions: it supports both single-mode and multi-mode propagation, accommodates different transmission windows (1310 nm and 850 nm), and enables bi-directional communication within a single fiber infrastructure. This multi-functionality allows one fiber to replace what previously required multiple specialized fibers, simplifying the overall interconnect scheme.
2Adaptability or versatility
If multiple fiber types are deployed for different wavelengths, then wavelength-specific communication requirements are met, but space usage increases
Solution Approach 1:
The patent merges multiple wavelength-specific fiber infrastructures into a single universal multi-core fiber that accommodates both 1310 nm and 850 nm transmission windows simultaneously. This consolidation reduces the total volume of fiber infrastructure required while preserving the ability to communicate at different wavelengths through the unified fiber structure.
Solution Approach 2:
The universal multi-core fiber is engineered to support multiple transmission windows and communication modes within a single fiber, eliminating the need for separate fiber deployments for different wavelengths. This universal design maintains wavelength-specific communication capabilities while significantly reducing the space required for fiber infrastructure.
3Reliability
If separate fibers are used for 1310 nm and 850 nm transmission, then transmission performance is optimized, but interconnect maintenance complexity increases
Solution Approach 1:
The patent merges multiple transmission channels into a single universal multi-core fiber, consolidating what previously required separate fiber infrastructures. This unified approach simplifies maintenance operations by reducing the number of separate connections and components that need to be managed, while the fiber's design maintains optimized transmission performance for both 1310 nm and 850 nm wavelengths.
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 increases data-traffic rates between data centers while reducing interconnect complexities and maintenance efforts by enabling dual-wavelength communication over a single UMCF, thus optimizing space usage and simplifying network architectures.
Implementation Method 1
using single-mode propagation for the first optical signals and multi-mode propagation for the second optical signals
Implementation Method 2
using single-mode propagation for the first optical signals and multi-mode propagation for the second optical signals
Implementation Method 3
wavelength-division multiplexing (WDM) devices... configured to couple the first and second optical communication devices of the respective network device to the cores in accordance with a defined channel assignment
Data Source
AI summary
A system includes a pair of network devices, a universal multi-core fiber (UMCF) interconnect, and a pair of wavelength-division multiplexing (WDM) devices. Each network device includes (i) first optical communication devices configured to communicate first optical signals having a first carrier wavelength and (ii) second optical communication devices configured to communicate second optical signals having a second carrier wavelength. The universal multi-core fiber (UMCF) interconnect includes multiple cores that are configured to convey the first optical signals and the second optical signals between the network devices, using single-mode propagation for the first optical signals and multi-mode propagation for the second optical signals. Each WDM device is connected between a respective network device and the UMCF interconnect and configured to couple the first and second optical communication devices of the respective network device to the cores in accordance with a defined channel assignment.