Reflectivity control via second-order interaction process in one-dimensional photonic band-gap structures

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https://www.sciencedirect.com/science/article/abs/pii/S0030401800009275

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https://doi.org/10.1016/S0030-4018(00)00927-5
 http://hdl.handle.net/11603/18791

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UMBC Computer Science and Electrical Engineering Department

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2000-10-06

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journal articles
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M.Centini et al., Reflectivity control via second-order interaction process in one-dimensional photonic band-gap structures, Optics Communications Volume 184, Issues 1–4 (2000), Pages 283-288, https://doi.org/10.1016/S0030-4018(00)00927-5

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Abstract

We exploit the nonlinear reflectivity of a pulse at the fundamental frequency induced by a second harmonic signal in one-dimensional photonic band gap structures for applications to fast control of light-by-light and all optical signal processing. We find that the enhancement of nonlinear gain near the band edge, coupled with a suitable choice of the relative phases between the input pulses, leads to significant reflectivity and transmittivity changes of the input pump pulse for structures only a few microns in length.