Mehmet Bayindir et al 2001 J. Opt. A: Pure Appl. Opt. 3 S184 doi:10.1088/1464-4258/3/6/369
Mehmet Bayindir1, C Kural and E Ozbay
Show affiliationsWe present a detailed theoretical and experimental study of the evanescent coupled optical microcavity modes in one-dimensional photonic bandgap structures. The coupled-cavity samples are fabricated by depositing alternating hydrogenated amorphous silicon nitride and silicon oxide layers. Splitting of the eigenmodes and formation of a defect band due to interaction between the neighbouring localized cavity modes are experimentally observed. Corresponding field patterns and the transmission spectra are obtained by using transfer matrix method (TMM) simulations. A theoretical model based on the classical wave analogue of the tight-binding (TB) picture is developed and applied to these structures. Experimental results are in good agreement with the predictions of the TB approximation and the TMM simulations.
42.70.Qs Photonic bandgap materials
42.82.Cr Fabrication techniques; lithography, pattern transfer
Condensed matter: electrical, magnetic and optical
Issue 6 (November 2001)
Received 7 August 2001, in final form 14 September 2001
Published 26 October 2001
Mehmet Bayindir et al 2001 J. Opt. A: Pure Appl. Opt. 3 S184
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