Acronym · Photonics, MEMS & Sensors
DFB laser (Distributed Feedback laser)
An edge-emitting laser with a Bragg grating written along the active waveguide so that only one longitudinal mode receives feedback. The result is narrow linewidth single-wavelength output suited to wavelength-multiplexed and long-reach links.
- Also known as
- DFB
- Type
- Acronym
- Domain
- Photonics, MEMS & Sensors, Optical components
Notes
The workhorse source for 1310 and 1550 nm telecom and for the continuous-wave light fed into silicon photonic modulators.
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