Passive Optical Coupler Indicators for Active Port Identification
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Solution Overview
Problem
Conventional passive optical networks (PONs) face challenges in determining the status of optical coupler ports, leading to inefficient service technician operations and potential service disruptions due to incorrect fiber connections.
Innovation Solution
Passive optical couplers with integrated passive optical activity indicators that illuminate in response to optical signals, allowing visual detection of active ports and enabling automated mapping of optical connections using image sensors and computing systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If service technicians manually check optical fiber connections using light meters, then connection status can be determined, but the process becomes time-consuming and reduces technician efficiency
Solution Approach 1:
The optical coupler performs self-diagnosis by incorporating an optical activity indicator that automatically indicates its operational status. The indicator illuminates when the coupler is actively transmitting optical signals, allowing the device to convey its own status without requiring external testing equipment or technician intervention.
Solution Approach 2:
The optical activity indicator utilizes light emission (illumination) to visually communicate the coupler's operational state. When the coupler is active, the indicator emits light that can be detected from a distance, providing immediate visual feedback about connection status without requiring manual optical testing.
2Difficulty of detecting and measuring
If service technicians visually inspect ports in fiber distribution hubs, then connection status can be identified, but ports without indicators remain ambiguous and cause confusion
Solution Approach 1:
The optical activity indicator provides visual feedback through light emission that indicates the operational status of the coupler port. This eliminates ambiguity by providing a clear visual signal (light on/off) that directly communicates whether the port is active or inactive, making port status immediately identifiable.
Solution Approach 2:
The optical activity indicator provides real-time feedback about the coupler's operational status to service technicians and system monitoring systems. This feedback mechanism ensures that connection status information is continuously available and can be immediately acted upon, eliminating information loss.
3Adaptability or versatility
If optical fibers are frequently connected and disconnected, then service flexibility is improved, but the complexity of tracking active ports increases and errors occur
Solution Approach 1:
The optical activity indicator provides continuous visual feedback about the current operational status of each port, enabling service technicians to quickly identify which ports are active and which are inactive. This feedback mechanism simplifies the tracking process by providing immediate, unambiguous information about port status, reducing errors during reconfiguration.
Solution Approach 2:
The coupler automatically indicates its own operational status through the optical activity indicator, eliminating the need for manual tracking and record-keeping. The device self-communicates its state, making the system more manageable even as fibers are frequently connected and disconnected.
4Measurement precision
If manual optical testing is performed for each connection, then connection accuracy is ensured, but labor costs increase and productivity decreases
Solution Approach 1:
The optical coupler performs self-verification by incorporating an optical activity indicator that automatically indicates its operational status. This eliminates the need for manual testing with light meters, as the device itself provides the verification information through its indicator.
Solution Approach 2:
The patent replaces manual mechanical testing procedures (disconnecting, plugging in light meters) with an optical-based self-indication system. The optical activity indicator uses optical signals to communicate status, substituting manual mechanical inspection with automated optical feedback.
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
Reduces inadvertent disconnections, conserves resources, and enhances customer satisfaction by accurately identifying active couplers, reducing labor costs and service disruptions.
Implementation Method 1
the passive optical activity indicator is configured to passively illuminate in response to (i) first light propagating in the first optical fiber
Implementation Method 2
passive optical coupler for passively coupling first and second optical fibers
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2D
AI summary
Passive optical couplers having passive optical activity indicators and methods of operating the same are disclosed. An example passive optical coupler for passively coupling first and second optical fibers includes a housing including: a first port configured to receive an end of a first optical fiber, and a second port configured to receive an end of a second optical fiber; and a passive optical activity indicator positioned at least partially within the housing, wherein a first portion of the passive optical activity indicator is exposed through the housing, and wherein the passive optical activity indicator is configured to passively illuminate in response to (i) first light propagating in the first optical fiber when the end of the first optical fiber is received in the first port, and (ii) second light propagating in the second optical fiber when the end of the second optical fiber is received in the second port.