Bi-directional Pluggable Transceiver Optical Interface
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Solution Overview
Problem
Current pluggable transceiver modules for fiber-optic networks face limitations in high-speed data transfer due to the need for complex and power-consuming electrical components, which restrict bandwidth and data rate capabilities, especially as available chip real estate for electrical connections diminishes.
Innovation Solution
A pluggable transceiver module with an electro-optic interface that converts electrical signals to optical and vice versa, utilizing a bi-directional E/O converter and transceiver circuit to facilitate high-speed optical data transfer without the need for electrical signal lines, thereby eliminating the requirement for expensive and power-intensive electrical components on the host device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If electrical signal lines and electrical components are used for data transfer between host device and pluggable module, then connectivity and data transfer capability are provided, but bandwidth is restricted, data rate is limited, and power consumption increases
Solution Approach 1:
The patent replaces the electrical signal transmission system with an optical signal transmission system. Specifically, it uses optical waveguides (such as fiber optic cables) to transmit optical signals between the host device and pluggable module, substituting the traditional electrical conductor-based system. This substitution enables higher bandwidth and data transfer rates while reducing the complexity of electrical components on the host device.
Solution Approach 2:
The patent changes the fundamental transmission medium parameter from electrical conductors to optical waveguides. This parameter change allows the system to operate at optical frequencies rather than electrical frequencies, thereby achieving higher bandwidth and data transfer rates. The optical transmission medium supports higher frequency signals and greater data capacity compared to traditional electrical connections.
2Productivity
If more electrical connections are provided on host device for pluggable module, then data transfer capability is improved, but chip real estate is consumed
Solution Approach 1:
The patent substitutes electrical connection infrastructure with optical waveguide infrastructure. By using optical signals transmitted through waveguides, the system achieves high data transfer capability without requiring multiple electrical signal lines, power lines, and associated electrical components on the host device chip, thereby conserving chip real estate.
Solution Approach 2:
The optical waveguide interface serves multiple functions simultaneously: it provides high-speed data transmission, power delivery (through separate power fibers or integrated power-over-fiber solutions), and signal synchronization, all through a unified optical connection framework. This multi-functionality reduces the need for multiple separate electrical connections.
3Reliability
If electrical components are used for high-speed data transfer, then connectivity is maintained, but power consumption increases and signal integrity issues arise
Solution Approach 1:
The patent replaces the electrical signal transmission system with an optical signal transmission system using optical waveguides. Optical signals experience less attenuation and interference over long distances compared to electrical signals, improving signal integrity. Additionally, optical transmission is inherently immune to electromagnetic interference, further enhancing reliability while reducing power consumption at the host device end.
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 enables efficient, high-speed bi-directional optical data transfer, overcoming rate limitations and signal integrity issues associated with electrical connections, while allowing for flexible data rates and reduced chip real estate requirements, supporting increasing data communication demands.
Implementation Method 1
an electro-optic interface configured to provide bi-directional transfer of high speed optical data signals with the host device
Data Source
AI summary
An apparatus for connecting a host device to an optical network, and to provide a bi-directional electro-optic interface to the host device. The apparatus comprises at least one optical network port for connection to the optical network, and a transceiver circuit configured to generate optical transmit signals for transmission via the at least one network port. The transceiver circuit is further configured to process optical receive signals received via the network port. The apparatus further comprises an optical connector configured to provide bi-directional transfer of optical data signals with the host device.