Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are
generated, distributed, processed and analyzed using the strength of photonic techniques. It …

This paper discusses design, fabrication, and characterization of a 512× 512 arrayed
waveguide grating router (AWGR) with a channel spacing of 25 GHz. The dimensions of the …

This paper presents a synopsis of some of the advances in silica waveguide planar
lightwave circuits (PLCs). It concentrates on silica PLCs for fiber-optic communications …

A detailed description of the design guidelines for a full encoder/decoder that is able to
generate/process a set of optical codes simultaneously is reported. The device has an array …

With the aim of utilizing arrayed waveguide gratings for multi-object spectroscopy in the field
of astronomy, we outline several ways in which standard telecommunications grade chips …

A two-dimensional optical-phased array is demonstrated by using a multiple-input star
coupler, compatible with FMCW LiDAR. Previous approach using a single-input design …

We discuss the design and demonstration of 4-channel coarse wavelength-division (de-)
multiplexers based on cascaded Mach–Zehnder interferometer (MZI) lattice filters and …

This chapter deals with the wavelength dispersive planar waveguide devices which are
waveguide echelle grating (EG) and arrayed waveguide grating (AWG). It conveys about the …

Mid-infrared spectroscopy in the 2-4 μm wavelength range is of cardinal value for many
sensing applications. Current solutions involve bulky and expensive systems to operate …

Arrayed waveguide gratings (AWGs) are key optical components of various new
applications in telecommunication, astronomy, medical imaging, and spectroscopy. It is a …