May 15, 2026
On average, data traffic in the internet grows by 40% each year. This growth, and, in particular, the rapidly increasing interest in videos on demand, in multiplayer online games, and in selling music
Jun 10, 2026
A comprehensive design of a folded-architecture arrayed-waveguide-grating (AWG)-device, targeted at applications as integrated photonic
Apr 06, 2026
4.1 Introduction g and dispersive properties. They image the field in an input waveguide onto an array of output waveguides in such a way that the different wavelength signals present in the input waveguide
Jul 11, 2026
In this review, an overview of the available methods for improving the bandwidth, spectral resolution, and transmission function shape of AWGs is provided. The working principle as well as
Apr 08, 2026
Keywords: arrayed waveguide grating (AWG), bandwidth, cascading, high resolution, flat-top response Abstract: Arrayed waveguide gratings (AWGs) are key optical components of various new
May 04, 2026
In this study, two SiN-based Arrayed Waveguide Gratings (AWGs) were designed and fabricated: one serving as a wavelength multiplexer (MUX) and the other as a demultiplexer
Jan 26, 2026
In this letter, we report a novel high-index-contrast silicon nitride arrayed waveguide grating (AWG) for very near-infrared wavelengths. This device is fabricated through a process
May 10, 2026
We compare the performance of silicon-based arrayed waveguide gratings (AWGs) with star couplers of Rowland and Confocal configurations, respectively, for both TE and TM
Aug 07, 2025
Compact Arrayed Waveguide Gratings Fabricated on 800-nm-Thick Si3N4 Photonic Integration Platform Abstract: Silicon nitride (Si 3 N 4) waveguide with thickness of >600 nm having
Apr 12, 2026
Resonant waveguide gratings (RWGs) have been developed by various interna-tional groups for over 35 years now and have been successfully implemented in many different laser sources (gas, disk, fiber,
May 12, 2026
Arrayed waveguide gratings (AWG) are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) systems. These devices are capable of multiplexing many wavelengths
Nov 20, 2025
In this paper, we propose an easy-to-machine design of a near-eye display based on surface relief grating waveguides, taking into account the experience of previous designs of near-eye displays, the
Mar 21, 2026
By using the 2D polygonal grating we also proposed a design approach of full-color SRG waveguide with hierarchical optimization method. To validate this design, a 2D polygonal grating
Apr 27, 2026
An arrayed waveguide grating (AWG) is a device, typically built as a planar lightwave circuit, that can separate or combine optical signals of different wavelengths.
Aug 27, 2025
1 × 8 and 1 × 16 traditional/saddle arrayed waveguide grating (AWG) devices with different core layer materials applied in fiber Bragg grating (FBG) s
Dec 26, 2025
Abstract Ultracompact silicon-based arrayed waveguide gratings (AWGs) with low loss and low crosstalk are essential for on-chip optical interconnect and miniaturized spectroscopic
Nov 28, 2025
The structures of the AWGs we designed are composed of five main parts, including the input/output waveguides, two slab waveguides, and an array of waveguides, as shown in Fig. 1 (b).
Oct 12, 2025
Current AR waveguide fabrication processes, including Surface Relief Gratings (SRG), holographic and cascaded mirrors, are reviewed. We present DigiLens''s Switchable Bragg Grating
Mar 21, 2026
A fiber or waveguide Bragg grating is a one-dimensional optical device produced by periodic variation of the refractive index in the fiber core or the waveguide, which is able to reflect a
Nov 01, 2025
We designed and fabricated a multi-channel SiO 2-based AWG as a key component of FBG Interrogation. To increase the dynamic range of demodulation, a multimode interference coupler
Jul 08, 2026
Keywords: thin film lithium niobate, arrayed waveguide grating, photonic integrated circuits Abstract: We design an on-chip 8-channel TFLN AWG and fabricate the device using photolithography assisted
Nov 20, 2025
There are several examples of custom AWG designs in the literature aiming for improved system performance. In this review, we will provide an overview of the available methods for
Jun 03, 2026
Typical applications include environmental analysis, astronomical spectroscopy and industrial process monitoring. Our focus is the development of customized
Aug 05, 2025
Grating fabrication refers to the processes used to create gratings on specimen surfaces, which serve as effective deformation carriers and sensors in deformation measurement methods. Various
Dec 20, 2025
This leads to the first implementation of arrayed waveguide gratings on X-cut thin-film lithium niobate with various configurations and high-performances.
Oct 02, 2025
Arrayed waveguide gratings (AWGs) are key optical components of various new applications in telecommunication, astronomy, medical imaging, and spec-troscopy. It is a very powerful integrated
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