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Chapter
Quadratic Parametric Interactions in Organic Waveguides
This chapter addresses issues related to quadratic parametric interactions in organic waveguides. It attempts to give an overview of the field, especially emphasizing the initial experimental milestones togeth...
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Chapter
Instability of Fast Kerr Solitons in Aigaas Waveguides at 1.55 Microns
We observed experimentally a power-dependent polarization instability of the fast spatial soliton in AIGaAs slab waveguides. The slow soliton remains stable. The instability occurs at power levels below which ...
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Chapter
Experiments on Seeded and Noise Initiated Modulational Instability in LiNbO3 Slab Waveguides
We report the experimental study of seeded and noise initiated modulational instability (MI) during second harmonic generation in a LiNbO3 slab waveguide. In the non-seeded case, two MI initiating mechanisms were...
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Chapter
Materials for Spatial Solitons
The basic properties of materials commonly employed in spatial soliton experiments are outlined and discussed. The requirements for different classes of materials used to observe Kerr-like, photorefractive, or...
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Chapter
Quadratic Solitons
In this chapter we review the state of knowledge from both the theoretical and experimental perspectives of quadratic spatial solitons. This class of spatial solitons offers a wide parameter space to be invest...
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Chapter
Experiments on Quadratic Solitons
Spatial solitons are beams that do not diffract by virtue of a strong nonlinear interaction with the medium in which they propagate.[1] Quadratic solitons are a rather special member of the spatial soliton family...
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Chapter
One-Dimensional Spatial Solitons in Kerr Media
We give an overview of the experimental activity related to spatial solitons in Kerr or Kerr-like media. We review the results obtained in this area, starting from the early experiments up to the most recent a...
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Chapter
A Lithium Niobate Quadratic Device for Wavelength Multiplexing around 1.55µm
A widespread interest in all-optical networks for telecommunications has generated a great deal of activity towards approaches for efficient channel shifting in systems based on wavelength-division-multiplexin...
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Chapter
Recent Progress in Nonlinear Photonic Devices and Phenomena Based on Organic Materials
There has been a great deal of activity in the last few years in the application of nonlinear organic materials to optical phenomena (excluding electro-optics). The goal of this paper is to focus on recent pro...
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Chapter
Introduction to Nonlinear Optics: A Selected Overview
The field of nonlinear optics has continued to expand and become richer in phenomena since its inception in the 1960s. Furthermore, new materials and new ways of using old materials have continuously become av...
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Article
Advantages of Modal Dispersion Phase-Matching and Materials Requirements for Polymeric Devices Using Efficient Second Harmonic Generation at Telecommunication Wavelength
Modal Dispersion Phase Matching appears to be currently much better adapted to parametric mixing in polymeric material waveguides than Quasi Phase Matching. For second harmonic generation at telecommunication ...
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Chapter
Modelling of a Versatile All-Optical Mach-Zehnder Switch
In this paper we describe a new nonlinear Mach-Zehnder interferometer with bimodal branches and asymmetric Y-junctions. Using various modelling techniques we show that this device can be used for an array of a...
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Chapter
Nonlinear phase-shifts by cascading in the Čerenkov regime
We present Beam Propagation Method studies of Second Harmonic Generation and nonlinear phase-changes by cascading in the Čerenkov regime. It is shown that cascading in the Čerenkov regime can produce phase cha...
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Chapter
Complete switching with an improvement in the switching intensity in AlGaAs nonlinear directional couplers using the higher order Orthogonal Modes
In a typical electronic digital signal process, an incoming stream of data is rerouted via the presence of control signals. The process is called demultiplexing. It is an effective way to separate several sets...
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Article
Fabrication of Poled Polymer Dans Waveguides and First Observation of Shg by Counter-Propagating Guided Waves
Plane-parallel poled, low loss, channel waveguides are fabricated with a large poling field (200V/μm) in 4-dimethylamino-4'-nitrostilbene (DANS) side-chain polymers. The parallel poled film leads to efficient ...
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Article
Issues in Organics for Nonlinear Optics
The potential of organic materials for nonlinear optics was recognized early with the identification of charge transfer concepts for second order materials, and π-electron dercalization in conjugated polymers ...
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Chapter
Introduction to Nonlinear Guided Wave Optics
Nonlinear optics is now almost three decades old as a discipline. Although the early days were characterized by experiments which needed high power lasers, in the modern context semiconductor diode lasers with...
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Article
NOnlinear Optical Devices: Relative Status of Polymeric Materials
There has been a great deal of progress in nonlinear organic materials over the last few years. New materials have been synthesized, characterized and in some cases used in prototype devices. For second order ...
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Chapter
Nonlinear Optical Devices: Relative Status of Polymeric Materials
Activity in nonlinear optics of polymer materials has been escalating for the last five years, driven by potential applications the most promising of which are:
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Article
Characterization of the Structure and Interfaces in Metallic Superlattices
Using magnetically enhanced dc-triode sputtering we have grown metallic multilayers of Ag/Pd and Cu/Pd with modulation wavelengths A ranging from 10 Å to 120 Å. The Ag/Pd films were prepared with two different...
