The coupling of a prescribed number of site-controlled pyramidal quantum dots (QDs) with photonic crystal (PhC) cavities was studied by polarization and power-dependent photoluminescence measurements. The energy of the cavity mode could be readily tuned, making use of the high spectral uniformity of the QDs and designing PhC cavities with different hole radii. Efficient coupling of the PhC cavity modes both to the ground state and to the excited state transitions of the QDs was observed, whereas no evidence for far off-resonant coupling was found. © 2011 IOP Publishing Ltd.
Ordered systems of site-controlled pyramidal quantum dots incorporated in photonic crystal cavities / Surrente, A.; Felici, Marco; Gallo, P.; Dwir, B.; Rudra, A.; Biasiol, G.; Sorba, L.; Kapon, E.. - In: NANOTECHNOLOGY. - ISSN 0957-4484. - 22:46(2011), p. 465203. [10.1088/0957-4484/22/46/465203]
Ordered systems of site-controlled pyramidal quantum dots incorporated in photonic crystal cavities
A. Surrente;FELICI, Marco;
2011
Abstract
The coupling of a prescribed number of site-controlled pyramidal quantum dots (QDs) with photonic crystal (PhC) cavities was studied by polarization and power-dependent photoluminescence measurements. The energy of the cavity mode could be readily tuned, making use of the high spectral uniformity of the QDs and designing PhC cavities with different hole radii. Efficient coupling of the PhC cavity modes both to the ground state and to the excited state transitions of the QDs was observed, whereas no evidence for far off-resonant coupling was found. © 2011 IOP Publishing Ltd.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
