Component · Photonics, MEMS & Sensors
Edge coupler
An inverse-taper waveguide structure at the die edge that expands the optical mode to match a fibre or lens, coupling light in the plane of the chip. It offers low loss and broad bandwidth but demands a polished facet and sub-micron alignment.
- Also known as
- Spot size converter, Inverse taper
- Type
- Component
- Domain
- Photonics, MEMS & Sensors, Silicon photonics
Notes
Chosen for production transceivers where every tenth of a decibel of coupling loss matters to the link budget.
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Part of the Photonics, MEMS & Sensors glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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