Abstract
We analyze the small- and large-signal response of a photonic crystal Fano laser. Conventional current modulation, as well as modulation of the laser via the mirror, is investigated using a numerical approach as well as linear small-signal analysis. The results show that the amplitude modulation bandwidth of one of the laser ports (the through-port) and the frequency modulation bandwidth of another port (the cross-port) extend to the THz region. Large-signal simulations of the laser response to a 500 Gb/s pseudo-random bit sequence modulation of the nanocavity are in good agreement with the predictions of the small-signal analysis. Finally, it is investigated how the design of the Fano mirror, in particular, the quality-factor (Q) of the nanocavity, affects the modulation properties.
| Original language | English |
|---|---|
| Article number | 8506446 |
| Pages (from-to) | 5611-5616 |
| Number of pages | 6 |
| Journal | Journal of Lightwave Technology |
| Volume | 36 |
| Issue number | 23 |
| DOIs | |
| Publication status | Published - 1 Dec 2018 |
| Externally published | Yes |
Keywords
- Fano Laser
- fano resonance
- large-signal
- laser dynamics
- laser modulation
- photonic crystal laser
- small-signal