Optical waveguides
Spectral Behaviour of Planar Optical Waveguides and Microchannels in Cascade: Theoretical Evaluation
... dielectric waveguides, waveguide gratings and waveguide photonic crystals are widely studied in order to design, improve and optimize the flow of light as well as its applications in the design of microwave and ...
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Characterisation of acoustic waves in optical waveguides
... and optical waves. Implicitly, the acoustic properties of optical waveguides allow interactions with the propagation of light through the related phenomena of Brillouin Scattering (BS), Stimulated ...
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Second harmonic generation in novel optical waveguides
... Phase matching is generally defined as a means for maintaining the phase relationship between the waves involved in nonlinear interactions which is a key contributor to the efficiency of the frequency conversion process. ...
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Vector Mode Analysis of Optical Waveguides by Quadratic Spline Collocation Method
... for optical waveguides with high index contrast at interfaces or corners, unless the whole domain is divided into sub-domains, each of which will be approximated by its own whole-domain basis functions and ...
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Few-mode optical waveguides and their study by the four-photon mixing process
... As an example of dispersive effects in optical waveguides, we examine the case of a singly-clad step-index fiber designed for single mode operation at a wavelength of 1.3um that is then used in the ...
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Optical Modulator Using Channel Optical Waveguides and Planar Patch-Antennas with Gaps
... Optical modulator using channel optical waveguides and planar patch-antennas with gaps on ferroelectric optical crystals were proposed. Basic operations for receiving a wireless microwave ...
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Rigorous analysis of the transverse acoustic modes in optical waveguides by exploiting their structural symmetry
... Symmetry conditions of optical waveguides have been extensively exploited [14], whenever they exist, for the modal solutions of optical waveguides. This not only can avoid mode degeneration by ...
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An approach to UV written integrated optical waveguides using novel acrylate based polymers
... as optical waveguides are : (1) low transmission losses ...well-known optical properties and good film forming properties, but have not focused much on the material ...
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Spectral Characteristics of Segmented Optical Waveguides Immersed in a Fluid Medium
... the optical waveguide substrate; Δ n refers to the maximum refractive index increment in the core region; f represents the refraction index function along y direction; h is the diffusion depth; and n c refers to ...
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Optical Waveguides Obtained Via Proton Exchange Technology in LiNbO3 and LiTaO3 - A Short Review
... Proton exchange is one of the main contemporary technologies for obtaining of optical waveguides in LN and LT. It is an induced - at favorable conditions - diffusion of protons into the surface layer of a ...
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Bioabsorbable polymer optical waveguides for deep tissue photomedicine
... conventional optical fibres, which must be removed from the body soon after use, the biodegradable and biocompatible waveguides may be used for long-term light delivery and need not be removed as they are ...
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Modification of glasses and optical waveguides using high electric fields
... In Chapter 5 a refined version of the standard thermal poling technique is introduced, which consists of increasing the voltage during the cooling phase, when the dielectric breakdown point of the material progressively ...
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Radiation losses in dielectric optical waveguides
... We see from Appendix B, equation (B.25), that the modes of a fibre with a continuous dielectric profile obey the same relationship between the TE^ and TM^ components as the hybrid modes of fibres with discontinuous ...
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Frequency conversion in nonlinear optical waveguides : from classical to quantum applications
... In t his Chapter it is shown t hat classical light in 2D linear waveguide arrays can be used to simulate nonlinearity and quantum statistics of photon-pair generation and quantum walks i[r] ...
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1 Liquid-Phase Epitaxial Growth and Characterization 2 of Nd:YAl 3(BO34 Optical Waveguides 3
... substrate, which suggests a step-like refractive index profile. The film shown in Figure 3b) was obtained after epitaxial growth for 12 hours at the 129. conditions specified above. The[r] ...
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Anisotropic lattice changes in femtosecond laser inscribed Nd3+:MgO:LiNbO3 optical waveguides
... obtained waveguides, but also because of the possibility of using the fluorescent ions as optical probes through the analysis of their luminescence properties, which can be used in order to gain further ...
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Coupled-resonator optical waveguides and multiplexed solitons
... Historical outline: In January 2001, Yi Li, with whom I shared an office at the time, told me of his conversations with Prof. Yariv on the frozen-light experiments performed by the Harvard groups (Hau and Lukin), which ...
196
Theoretical studies of nonlinear planar optical waveguides
... 5.2. WAVEGUIDES WITH A SELF-DEFOCUSING CORE 115 by the self-defocusing core is th a t d P / d B co is negative from th e linear lim it to the bifurcation ...
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Propagation effects in optical waveguides, fibres and devices
... In Chapter 3, the application of segmented reflection gratings in planar devices that can function as either a single- or two-wavelength add/drop filter is investigated and a numerical technique developed in Chapter 2 is ...
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