Applied Physics B

, Volume 99, Issue 1, pp 187–190

Ultra-fast all-optical switching in MEH-PPV photonic crystals with resonantly enhanced nonlinearity

Article

DOI: 10.1007/s00340-009-3795-2

Cite this article as:
Jiang, P., Hu, X., Zhang, J. et al. Appl. Phys. B (2010) 99: 187. doi:10.1007/s00340-009-3795-2

Abstract

Photonic crystal all-optical switching is realized in two-dimensional nonlinear photonic crystals made of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]. Organic polymer films are fabricated by a slow evaporation method. Under resonant excitation, the organic matrix provides very large third-order nonlinear optical susceptibility. An operating pump energy as low as 514 pJ/cm2 and a high switching efficiency of 70% are achieved for the photonic crystal optical switching. A switching time of 45.6 ps is maintained due to fast Forster transfer of excitons.

PACS

42.70.Qs42.65.Hw82.35.Ej

Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.State Key Laboratory for Mesoscopic Physics & Department of PhysicsPeking UniversityBeijingChina