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Second-Order coherence properties of parametric emission in Semiconductor 1D Microcavities

By Vincenzo Ardizzone, Marco Abbarchi, Thimotée Lecomte, Aristide Lemaitre, Isabelle Sagnes, Pascale Senellart, Jacqueline Bloch, Claude Delalande, Jérôme Tignon and Philippe Roussignol


PosterInternational audienceSemiconductor microcavities with embedded quantum wells have revealed a rich variety of phenomena based on polariton or exciton interactions [1,2]. Among these effects, parametric scattering and related effects [2,3] are very interesting and promising candidates for the realization of micro-metric and integrable sources for quantum information applications. Optical parametric oscillation (OPO) in microcavity-based systems has been successfully demonstrated in multiple cavities as well as in one-dimensional cavities [2,4]. In these systems the excitation can be done under normal incidence, eventually relaxing the strong coupling constraint [4]. Moreover, exploiting an energy-degenerate configuration, Signal end Idler beams are perfectly balanced in intensity. Here, we address the second-order coherence properties of parametric emission in one dimensional microcavities. We measured the g(2) function at zero time-delay using a HBT interferometer, gathering information about the photon statistics of the emission. Our data shows that across the parametric oscillation threshold a change in the statistics of the emission occurs, going from a thermal-like source towards a partially coherent source. These results allows highlighting substantial differences between a polariton-based micro-OPO and the behavior expected for a standard OPO. [1] P.G. Savvidis et al. Phys. Rev. Lett. 84, 1547 (2000) [2] E. Wertz et al., Nat. Phys. 6, 860 (2010) [3] C. Diederichs et al. Nature 440, 904 (2006) [4] M. Abbarchi et al. Phys. Rev. B, 83, 20130(R) (2011

Topics: [ PHYS.COND.CM-GEN ] Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other]
Publisher: HAL CCSD
Year: 2012
OAI identifier: oai:HAL:hal-00705809v1
Provided by: Hal-Diderot
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