2024 Periodically segmented waveguide

Periodically segmented waveguide

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WebAbstract: Modal properties of periodically segmented waveguides (PSWs) are analyzed by using the beam-propagation method and coupled-mode theory. The modal effective … WebBirefringence behavior has been frequently obtained when subwavelength waveguides are used on devices construction. In order to explore this property, we analyze a tilted silicon-on-insulator periodically segmented waveguides (PSW). The propagation characteristics are analyzed for different values of duty cycle and tilt. The degree of the birefringence can be …

Periodically-segmented liquid crystal core waveguides

WebOct 1, 2014 · The technique is based on replacing the wider arm by a periodically segmented waveguide (PSW) to reduce its apparent index difference [3]. These waveguides consist of a periodic modulation in the refractive index, along the direction of propagation. Each period of the PSW is composed of two regions with different refractive indices: a … WebPeriodically segmented waveguides with periods of few tens of micrometers and nonconnected segments are studied experimentally in Ti:LiNbO3. The near-field patterns were found to expand with decreasing duty cycle but to be independent of the segmentation period. The measured segmentation losses vary between 0.5 and 2.5 dB/cm, depending … psychiatrists in the villages fl

Modes of Periodically Segmented Waveguides - ResearchGate

WebPeriodically segmented planar waveguides are modeled by using the rigorous modal method of diffraction gratings. The radiation loss, effective index, and electric-field … WebAug 31, 2024 · We report the fabrication and characterization of electrically-tunable periodically segmented waveguides (PSWs) with different duty cycles of 0.25, 0.33, 0.50 … WebIt is found that the model predicting the index averaging effect of periodically segmented waveguides… Voir plus The realisation and characterisation of periodic segmented waveguides made by Ag+/Na+ ion-exchange on glass is presented. In particular, the averaging effects provided by the segmentation are analysed using the measurement of … psychiatrists in the rochester ny area

Linear and Nonlinear Properties of Segmented Waveguides

Analysis of periodically segmented waveguide mode …

Web1.5 Segmented waveguides. 1.5.1 The segmented waveguide structure 18 1.5.2 Analysis of segmented waveguide properties 18 1.5.3 Linear optical properties of periodically segmented waveguide 20 1.5.4 Quasi phase matching in segmented waveguides applied on KTP crystal.. 21 1.6 Goals and overview of this dissertation 22 WebDec 1, 1993 · Periodically segmented waveguides (PSWs) are used to adapt the size of the guided modes in the planar lightwave circuits (PLC) [3]- [5]. A typical PSW consists of a … psychiatrists in the lehigh valley paWebModal properties of periodically segmented waveguides (PSWs) are analyzed by using the beam-propagation method and coupled-mode theory. The modal effective indices in a PSW are shown to be equal to those of a continuous waveguide with an averaged Delta n. As a result, guided modes spread out, particularly those that are not strongly guided. The … psychiatrists in the villages florida

"WebAug 31, 2024 · Periodically segmented waveguides (PSWs) have attracted considerable attention for linear and nonlinear optical applications in integrated optics [1–9]. In its simplest form, a PSW consists of a linear array of high-index regions, surrounded by lower … " - Periodically segmented waveguide

Periodically segmented waveguide

WebPeriodically segmented waveguides formed by Ti-indiffusion in a LiNbO 3 substrate will have a graded concentration variation along depth and lateral directions. In this work, the propagation constants of periodically segmented Ti:LiNbO 3 waveguides have been computed by applying the WebWeissman, Z., & Hardy, A. (1993). Modes of periodically segmented waveguides. Journal of Lightwave Technology, 11(11), 1831–1838. doi:10.1109/50.251181

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WebPeriodically segmented planar waveguides are modeled by using the rigorous modal method of diffraction gratings. The radiation loss, effective index, and electric-field strength distribution are analyzed for different segment duty cycles. Web1832 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 11, NO. 11, NOVEMBER 1993 no “t waveguide is inherently leaky, the eigenvalues are com- plex, (7) Fig. 1. 1D periodically segmented waveguide (PSW ...

WebNov 1, 1994 · Periodically segmented waveguides with periods of few tens of micrometers and nonconnected segments are studied experimentally in Ti:LiNbO(3). The near-field … WebAug 31, 2024 · We report the fabrication and characterization of electrically-tunable periodically segmented waveguides (PSWs) with different duty cycles of 0.25, 0.33, 0.50 and 0.76, using the nematic liquid crystal 5CB as the guiding layer, and the negative photoresist AZ15nXT as the cladding.

WebNov 1, 1993 · Periodically segmented waveguide (PSW) mode expanders can be realized simply, using a single step lithography. In this paper such devices are studied numerically, … WebSep 1, 1992 · Periodically segmented planar waveguides are modeled by using the rigorous modal method of diffraction gratings. The radiation loss, effective index, and electric-field …

WebMay 1, 2004 · The linear Periodically Segmented Waveguides is designed in such a way that it is almost transparent for the fundamental wavelength and dissipative for its Second Harmonic (SH). Second-order nonlinear effects, related to the periodic poling of the substrate, guarantee an efficient phase Acknowledgements

psychiatrists in thomasville gaWebJan 1, 2024 · Periodically Segmented Waveguide. Coupling Efficiency. Integrated Optical Chips. Single-mode Fibers. Optical Performance + Show 5 more . Create a personalized feed of these topics. Get Started . Download R Discovery App. Lead the way for us. Your insights are needed to transform us into a better research content provider for researchers. hospice of southwest ohio foundationWebPSW behaves like a continuous waveguide, with a similar cross section, but a lower index difference, which is equal to the average of An over a period 141. psychiatrists in the woodlandsWebPeriodically segmented waveguide (PSW) mode expanders can be realized simply, using a single step lithography. In this paper such devices are studied numericall Analysis of … hospice of southwest vaWebPeriodically segmented waveguides (PSW, see Fig. 1) have attracted considerable attention recently. They were first used for second harmonic generation (SHG) in Rb: KT i PO 4 [1, … hospice of southwest michiganWebAbstract: Periodically segmented waveguide (PSW) mode expanders can be realized simply, using a single step lithography. In this paper such devices are studied numerically, with respect to high-/spl Delta/ silica waveguides and InP strip waveguides. hospice of st francis amershamWebNov 1, 1994 · Periodically segmented waveguides with periods of few tens of micrometers and nonconnected segments are studied experimentally in Ti:LiNbO(3). The near-field patterns were found to expand with decreasing duty cycle but to be independent of the segmentation period. The measured segmentation losses vary between 0.5 and 2.5 … hospice of spokane logo