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HOME / Comparison of Low Temperature Resistance and Delay Performance of Planar Optical Waveguides - PVProjekt Digital Infrastructure
In this paper, we implement dual-mode optical thermometry using dual polarization modes in a silicon nitride waveguide resonator for the first time, to the best of our knowledge.
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Fibre-optic waveguides are used to provide timing delays for different sensing and signal processing applications, but their transfer to on-chip platforms is a challenge. Here low-loss delay
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Abstract Strong thermo-optic effect of polymers is useful for fabricating tunable phase-delay devices with low power consumption and wide tuning range. However, if the temperature
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Here, we propose an overlap-controlled multi-scan (OCMS) method based on laser-direct lithography that allows customizing the refractive index profile of 3D waveguides with high spatial
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Abstract Planar lightwave circuits (PLCs) provide various important devices for optical WDM, TDM systems, subscriber networks and etc. This paper reviews the recent progress and future prospects
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We describe the waveguide structure and key design param-eters as well as fabrication considerations for processing tantala on quartz waveguides.
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This study conducted a comprehensive analysis of the coupling performance between a planar photonic lens and a set of PC waveguides operating in both conventional and slow-light regimes.
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The challenge lies in realizing waveguides that not only deliver low optical loss but also exhibit a low thermo-optic coefficient and frequency noise stability. Given the problematic sources of
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The design of such waveguides and optical circuits requires a balance of numerous tradeoffs between mode-size, bending radius, and footprint, to name a few. Herein, we present the design and
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Abstract—A 4-bit polymer optoelectronic true-time delay (TTD) device is demonstrated. The planar lightwave circuit (PLC) is composed of monolithically integrated low-loss passive polymer waveguide
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In recent years, the rapid development of optical waveguide technology have offered novel perspectives for realizing high-performance true time delay
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Silica-based planar lightwave circuits (PLC) are key components of functional devices designed for use in optical fiber communication systems
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Optical Fiber Optical fiber is a cable, which is also known as a cylindrical dielectric waveguide made of low-loss material. Optical fiber also considers the parameters like the environment in which it is
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In particular, intensity-dependent photorefraction, effective indices, waveguide modes and power-dependent SHG in Ti:PPLN ridge and channel waveguides are modeled for a wide range of
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Over the last couple of years, extensive research has been done on multimode polymer optical waveguides with step-index (SI) cores [7–9]. Meanwhile, we have reported the advantages of graded
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Abstract: We compare ultra-low-loss silica waveguides with PECVD SiO2, borophosphosilicate glass (BPSG), and wafer-bonded thermal oxide upper claddings. We demonstrate fiber-like (0.045 dB/m)
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In this paper, we conducted a comprehensive comparison and optimization into the impact of the number of folded waveguides and the width of heater on the performance of folded
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In this paper we have presented an exact analysis of the temperature dependence of optical waveguides with thermo-optic controlling regions, either as micro channels around a fiber
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In order to fully understand the optical true delay technology, this article first elaborates on the principle of phased array antennas and the reasons for beam squint, and analyzes the impact of
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Introduction Compared to bulk and fiber optic systems, photonic integrated circuits (PICs) can offer improved performance and stability in a smaller footprint and at a lower cost. Many targeted PIC
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With such low-loss and compact waveguide spirals, a 10-bit tunable optical true-time-delay line on silicon is realized with a time delay as long as 5120 ps for the first time.
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Abstract Optical delay lines (ODLs) are one of the key enabling components in photonic integrated circuits and systems. They are widely used in time-division
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In this contribution, we demonstrate low loss SiN waveguides, which are deposited by reactive sputtering at temperatures below 100°C. We investigate the deposition parameters and their impact
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The waveguide delay lines reported are the longest, ultra-low-loss devices demonstrated to date and the ultra-low-loss window is shown to be broadband, spanning the telecommunica-tions window.
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Abstract Thermal resistance of diode lasers with different waveguide designs has been investigated. Coupled large optical cavity (CLOC) design allows reducing internal loss and
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