Slow light via a tapered grating: transfer matrix approach

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Valkering, Theo P. (2006) Slow light via a tapered grating: transfer matrix approach. Optical and Quantum Electronics, 38 (1-3). pp. 83-96. ISSN 0306-8919

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Abstract:Reflection properties of a nonuniform apodized Bragg grating connecting a homogeneous medium with a (half-infinite) uniform grating are investigated for system parameters such that the group velocity in the uniform grating is low. In particular a smooth polynomial transition of the index profile to the uniform region is considered. Exact coupled mode equations for local Bloch amplitudes are set up in a transfer matrix formalism. For a linear taper the coupling matrix appears to be singular for parameter values near the edge of the photonic band gap. The polynomial profile removes the singularity in this coupling term.
Item Type:Article
Copyright:© 2006 Springer
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/80012
Official URL:http://dx.doi.org/10.1007/s11082-006-0020-y
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