期刊
OPTICS EXPRESS
卷 20, 期 7, 页码 7901-7914出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.007901
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资金
- Spanish MICINN [TEC 2005-05781-C03-01/03, TEC2008-06756-C03-01/03, S-0505-TIC-0191]
- Consolider-Ingenio [CSD2006-0019, S2009ESP-1503]
- Spanish MCI [BES-2006-12300]
The spontaneous emission rate and Purcell factor of self-assembled quantum wires embedded in photonic crystal micro-cavities are measured at 80 K by using micro-photoluminescence, under transient and steady state excitation conditions. The Purcell factors fall in the range 1.1 - 2 despite the theoretical prediction of approximate to 15.5 for the figure of merit. We explain this difference by introducing a polarization dependence on the cavity orientation, parallel or perpendicular with respect to the wire axis, plus spectral and spatial detuning factors for the emitters and the cavity modes, taking in account the finite size of the quantum wires. c 2012 Optical Society of America
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