Ultrafast nonlinear optical tuning of photonic crystal cavities
- 26 February 2007
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 90 (9) , 091118
- https://doi.org/10.1063/1.2710080
Abstract
The authors demonstrate fast (up to ), low-power ( , pulses) modulation of photonic crystal cavities in GaAs containing InAs quantum dots. Rapid modulation through blueshifting of the cavity resonance is achieved via free-carrier injection by an above-band picosecond laser pulse. Slow tuning by several linewidths due to laser-induced heating is also demonstrated.
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