Ultrafast nonlinear optical tuning of photonic crystal cavities

Ultrafast nonlinear optical tuning of photonic crystal cavities

The authors demonstrate fast (up to 20 GHz ), low-power ( 60 fJ , 3 ps 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. S...

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Veröffentlicht in:Applied physics letters 2007-02, Vol.90 (9), p.091118-091118-3
Hauptverfasser: Fushman, Ilya, Waks, Edo, Englund, Dirk, Stoltz, Nick, Petroff, Pierre, Vučković, Jelena
Format: Artikel
Sprache:eng
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Zusammenfassung:The authors demonstrate fast (up to 20 GHz ), low-power ( 60 fJ , 3 ps 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.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2710080