Technology · Photonics, MEMS & Sensors
Carrier depletion modulator
A silicon modulator that sweeps free carriers out of a reverse-biased pn junction inside the waveguide, changing refractive index through the plasma dispersion effect to impress data on light.
- Also known as
- Depletion-mode modulator, PN junction modulator
- Type
- Technology
- Domain
- Photonics, MEMS & Sensors, Silicon photonics
Notes
The dominant high-speed modulation mechanism in silicon because silicon has no linear electro-optic effect.
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