NDLI: Design of couplers based on cascaded second-order nonlinearity taking into account hybrid propagation

Content Provider	IEEE Xplore Digital Library
Author	Prudenzano, F. D'Orazio, A. Petruzzelli, V. Ciminelli, C.
Copyright Year	1998
Description	Author affiliation: Dipt. di Elettrotecnica ed Elettronica, Politecnico di Bari, Italy (Prudenzano, F.)
Abstract	The optical behaviour of waveguides and couplers which exploit the cascaded second-order nonlinearity can be strongly influenced by the nature of the involved propagation modes. In this paper, the effects of the leaky nature of the generated second harmonic field (SH) are taken into account for a set of different cases. Symmetric and asymmetric coupling structures are investigated and compared. The coupled wave theory and the anisotropic complex mode propagation are the basic formalisms which allow the investigation of devices based on both guided and leaky propagation and suffering losses. The results, calculated by means of a home-made computer code, for those structures in which it is possible to neglect leaky nature of propagation modes, are compared with the literature data and an excellent agreement is found.
Starting Page	1399
Ending Page	1403
File Size	474483
Page Count	5
File Format	PDF
ISBN	0780338790
DOI	10.1109/MELCON.1998.699467
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-05-18
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplers Electromagnetic waveguides Dielectric substrates Optical propagation Optical waveguides Partial differential equations Tensile stress Nonlinear optics Optical refraction Optical variables control
Content Type	Text
Resource Type	Article

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