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Conferences > NLGW > 1998 > NSNPS > NSNPS.P14

Quasi-phase-matching by periodic modulation of nonlinear optical coefficients in semiconductor waveguides

D.C. Hutchings, M.W. Street, N. Whitbread, J.S. Aitchison, J.H. Marsh, and J.M. Arnold

Open Access Open Access

Abstract

To obtain quasi-phase-matching it is sufficient merely to achieve a periodic modulation of the nonlinear coefficient, particularly if the nonlinear coefficient itself is large. We address two methods of implementing this in semiconductors using quantum well disordering: modulation of an induced nonlinearity (e.g., asymmetric heterostructure) and modulation of a bulk-like nonlinearity by blue-shift of the band-edge.

© 1998 Optical Society of America

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