Nonlinear envelope equation for broadband optical pulses in quadratic media

Year: 2010

Authors: Conforti M., Baronio F., De Angelis C.

Autors Affiliation: CNISM and Dipartimento di Ingegneria dell’Informazione, Università di Brescia, Via Branze 38, I-25123 Brescia, Italy

Abstract: We derive a nonlinear envelope equation to describe the propagation of broadband optical pulses in second-order nonlinear materials. The equation is first order in the propagation coordinate and is valid for arbitrarily wide pulse bandwidth. Our approach goes beyond the usual coupled wave description of chi((2)) phenomena and provides an accurate modeling of the evolution of ultra-broadband pulses also when the separation into different coupled frequency components is not possible or not profitable.

Journal/Review: PHYSICAL REVIEW A

Volume: 81 (5)      Pages from: 053841  to: 053841

KeyWords: Nonlinear Optics
DOI: 10.1103/PhysRevA.81.053841

Citations: 72
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