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In integrated circuits, optical interconnects refers to any system of transmitting signals from one part of an integrated circuit to another using light. Optical interconnects have been the topic of study due to the high latency and power consumption incurred by conventional metal interconnects in transmitting electrical signals over long distances, such as in interconnects classed as global ...
The 'multi-wavelength optical signal' is amplified by an EDFA, which usually consists of several amplifier stages. An intermediate optical terminal, or optical add-drop multiplexer (OADM). This is a remote amplification site that amplifies the multi-wavelength signal that may have traversed up to 140 km or more before reaching the remote site.
A parallel optical interface is a form of fiber-optic technology aimed primarily at communications and networking over relatively short distances (less than 300 meters), and at high bandwidths. Parallel optic interfaces differ from traditional fiber-optic communication in that data is simultaneously transmitted and received over multiple fibers.
Synchronous Optical Networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously over optical fiber using lasers or highly coherent light from light-emitting diodes (LEDs). At low transmission rates data can also be transferred via an electrical interface.
Connecting two optical fibers is done by fusion splicing or mechanical splicing and requires special skills and interconnection technology due to the microscopic precision required to align the fiber cores. [33] Two main types of optical fiber used in optic communications include multi-mode optical fibers and single-mode optical fibers.
This phenomenon, known as an "interconnect bottleneck", is becoming a major problem in high-performance computer systems. [2] This interconnect bottleneck can be solved by utilizing optical interconnects to replace the long metallic interconnects. [3] Such hybrid optical/electronic interconnects promise better performance even with larger designs.
This multi-generational agreement encompasses a broad range of Marvell's data center semiconductors, including custom AI products, optical DSPs, active electrical cable DSPs, PCIe retimers, data ...
Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually or by using electronic devices . The earliest basic forms of optical communication date back several millennia, while the earliest electrical device created to do so was the photophone ...