Term · Photonics, MEMS & Sensors
Chirp
Unwanted shift of a laser's instantaneous wavelength during modulation, caused by carrier-density changes altering refractive index. Chirp interacts with fibre dispersion to close the eye over distance.
- Also known as
- Frequency chirp
- Type
- Term
- Domain
- Photonics, MEMS & Sensors, Optical modules
Notes
Directly modulated lasers chirp strongly, which is why externally modulated sources dominate longer reaches.
Related terms
Part of the Photonics, MEMS & Sensors glossary, with every term in the topic and the lifecycles, tools and standards that use them.
Where it appears on the Hub
No other page of the Hub uses this term yet.
Suggest an improvement
Suggest an improvement to this entry
A clearer definition, an example, a correction or a source an editor can check. Editors review every suggestion before the entry changes.
Last reviewed: not yet reviewed in depth. Entry last updated . The full glossary