Local phase measurements of light in a one-dimensional photonic crystal

Flück, E. and Otter, A.M. and Korterik, J.P. and Balistreri, M.L.M. and Kuipers, L. and Hulst van, N.F. (2001) Local phase measurements of light in a one-dimensional photonic crystal. Journal of Microscopy, 202 (1). pp. 104-109. ISSN 0022-2720

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Abstract:	For the first time the local optical phase evolution in and around a small, one-dimensional photonic crystal has been visualized with a heterodyne interferometric photon scanning tunnelling microscope. The measurements show an exponential decay of the optical intensity inside the crystal, which consists of a periodic array of subwavelength air rods fabricated in a conventional ridge waveguide. In addition it is found that the introduction of the air rods has a counter- intuitive effect on the phase development inside the structure. The heterodyne detection scheme allows the detection of low- intensity scattered wanes. In the vicinity of the scattering air rods phase singularities are found with a topological charge of plus or minus one
Item Type:	Article
Copyright:	© 2001 Blackwell
Research Group:	Optical Sciences (OS)
Link to this item:	http://purl.utwente.nl/publications/36492
Official URL:	http://dx.doi.org/10.1046/j.1365-2818.2001.00821.x
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