periodically poled
Characterisation of periodically poled materials using nonlinear microscopy
... Periodically poled crystalline materials are extremely attractive due to the very high conversion efficiencies possible [1] and processes such as second harmonic generation (SHG) [2] and optical parametric ...
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Simultaneous stimulated Raman scattering and second harmonic generation in periodically poled lithium niobate
... of periodically poled lithium niobate (PPLN) to perform simultaneous SRS and second harmonic generation (SHG) to extend the wavelength range of a soliton self frequency shifted (SSFS) Nd3+:YLF ...
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High conversion efficiency single pass second harmonic generation in a zinc diffused periodically poled lithium niobate waveguide
... in periodically poled lithium niobate (PPLN) represent a means of achieving efficient compact laser sources at wavelengths not available in the traditional laser ...
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Fabrication and applications of zinc indiffused waveguides in periodically poled lithium niobate
... In contrast to the gel electrode which is patterned on the –z face of sample, the metal electrode is patterned on the +z face. A suggested reason for this difference is that the density of nucleation spots formed on the ...
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Domain Patterned Ferroelectric Surfaces for Selective Deposition Via Photochemical Reaction
... Periodically poled ferroelectric substrates of stoichiometric lithium tantalate (PPSLT) and 1 mol% MgO doped near-stoichiometric lithium tantalate (Mg:PPSLT) were used for this ...
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Nearly Single-Cycle Terahertz Pulse Generation in Aperiodically Poled Lithium Niobate
... It should be noted that MgO-doped LN crystals have the advantages of large nonlinear coefficient (especially among the inorganic crystals), sufficiently wide bandgap (the lowest order effective MPA is four-photon ...
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Sodium line guide star laser using optical parametric oscillator
... doped periodically poled Lithium Niobate (MgO:PPLN), which has the grating period carefully chosen to satisfy phase matching condition at the pump of 532nm and the signal of ...
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Progress in compact room temperature THz radiation sources
... is periodically poled along the optical axis by applying a high electrical field across it, thereby creating opposite ferroelectric domains which typically vary periodically with the half- wavelength ...
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Acousto Resonance Spectroscopy of Nonlinear Optical Crystals in Process of Laser Frequency Conversion
... the periodically poled nonlinear-optical lithium niobate (PPLN) crystal temperature on laser power in the course of laser frequency conversion was measured using piezoelectric ...
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Proton exchanged lithium niobate waveguides for photonic applications
... exchange techniques at the ORC. We shall present the technology and the experimental results obtained so far on slab waveguides in 2D Nonlinear Photonic Crystals and on channel waveguides in Periodically ...
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Plasmonic molecules via glass annealing in hydrogen
... glass, which absorption grows about linearly for longer annealing of the glass in hydrogen (see Figure 2). Re- sults of the modeling performed for unpoled and poled glass illustrate the time gap between formations ...
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Investigation of the depolarisation transition in Bi based relaxor ferroelectrics
... in poled ceramics makes the {111} peak at high d-spacing have a higher intensity than the {111} peak at lower d-spacing, in contrast to diffraction from rhombohedral materials with no preferential orienta- ...
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Thermalization in Periodically-Driven Interacting Quantum Systems
... appropriately such that the nonequilibrium steady state (NESS) of system is controlled. This is the subject of chapters 2 and 3 and Refs. [14, 31, 32, 76].Second, one can still isolate the system but hope to find ...
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Condition Based Maintenance of Periodically Inspected Systems
... inspected periodically, under which the state X(t) of the system is observed at dis- crete times and the time separation between two succes- sive observations of X(t) is τ > 0, where τ is a ...
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Homogenization of periodically varying coefficients in electromagnetic materials
... In this article we study the behaviour of the electromagnetic field in a material presenting hetero- geneous microstructures (composite materials) which are described by spatially periodic param- eters. We will subject ...
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Many-body localization in periodically driven systems
... study periodically driven MBL system weakly coupled to a thermal bath (we note that spectral properties of a static MBL system coupled to a bath were recently considered in ...
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Localized States in Periodically Forced Systems
... We have described the impact of parameter oscillations on spatially localized structures. Our results, obtained using the simplest model of such states, reveal that the parameter oscillation shrinks the existence region ...
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SHIFT OPERATOR FOR PERIODICALLY CORRELATED PROCESSES
... 14. Hurd H.L. and Kallianpur G. Periodically correlated processes and their relationship to L 2 [ 0 , T ) valued stationary sequence. In: Miamee A.G. (Ed.), Nonstationary Stochastic Processes and Their ...
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DOA estimation for periodically modulated sources
... This paper considers the problem of direction-of-arrival estimation for periodically modulated signals using one uniform linear array of sensors. By means of modulating the sources with periodic modulation ...
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Activated escape of periodically driven systems
... In Sec. II we provide a general formulation which allows one to find, for a periodically driven system, the activation energy of escape induced by Gaussian noise with an arbitrary power spectrum. In Sec. III we ...
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