Latest Updates Planar optical waveguides for sensing applications
Planar optical waveguides formed by ion-exchange in glass are sensitive to changes in parameters such as: refractive index, absorption, and light-emitting processes such as
Latest Updates Temperature insensitive long period waveguide gratings in rib
In this paper, we propose achieving temperature insensitive characteristics by using a rib LPWG, in which the LPG couples light from the fundamental mode to the higher order modes (slab
Latest Updates (PDF) Reducing of thermal resistance of edge-emitting
We present a study on minimization of thermal resistance of edge-emitting diode lasers by placing the active region closer to the laser surface. We demonstrate that using coupled large optical
Latest Updates An exact analysis of the temperature control of optical waveguides
In this paper we present an exact analysis of the variation with temperature of the effective index of an arbitrary optical waveguide. Our results allow the design of temperature
Latest Updates (PDF) Optical properties of polymer planar waveguides
In this paper, we present the properties of flexible planar optical waveguides made of siloxane-based polymer deposited on Xerox transparent
Latest Updates Low-loss low thermo-optic coefficient Ta2O5 on crystal quartz planar
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.
Latest Updates 5. Planar Waveguides
Some advantages in the production of polymer waveguides, compared to other materials, are the low process temperatures and the possibility of casting which particularly makes sense in mass
Latest Updates COMPARISON AND OPTIMIZATION OF DISPERSION, AND LOSSES OF PLANAR
An extension about a few tens of microns of the waveguide dimensions can alleviate this restraint. Thus, direct comparisons of dispersion and losses between different planar waveguides in
Latest Updates Planar Lightwave Circuits (PLCs)
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
Latest Updates Low-loss graded-index polymer crossed optical waveguide with high
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
Latest Updates Semicnd1811028Zhukov.fm
Abstract—The results of studying edge-emitting quantum-well lasers with a layered design having coupled planar waveguides, capable of suppressing the generation of excited transverse modes, are
Latest Updates Chapter-2 Modes in Planar Waveguides | PDF | Waves
The document provides a detailed analysis of modes in planar optical waveguides, focusing on TE (Transverse Electric) and TM (Transverse Magnetic) modes and
Latest Updates Low-loss planar optical waveguides fabricated from polycarbonate.
Free Online Library: Low-loss planar optical waveguides fabricated from polycarbonate. (Technical report) by "Polymer Engineering and Science"; Engineering and manufacturing Science
Latest Updates Photorefractive damage resistance in Ti:PPLN waveguides with ridge
A theoretical analysis of the photorefractive sensitivity of Ti:PPLN ridge waveguides in comparison with conventional Ti:PPLN channel waveguides is presented. In particular, intensity
Latest Updates Low-loss low thermo-optic coefficient Ta2O5 on crystal quartz planar
Optical resonator-based frequency stabilization plays a critical role in ultra-low linewidth laser emission and precision sensing, atom clocks, and quantum applications. However, there has been limited
Latest Updates Glass optical waveguides: A review of fabrication
A brief review is presented of the most widely used processes for the fabrication of passive and active glass waveguides. Brilliant prospects of glass
Latest Updates SiO2 Nanoparticles-Acrylate Formulations for Core and Cladding in
A combination of acrylate formulations and SiO 2 nanoparticles is investigated with the aim to improve the optical properties of low-refractive index polymers that are used for the fabrication
Latest Updates Low-loss optical waveguides for the near ultra-violet and visible
In this work, we report low-loss single-mode integrated optical waveguides in the near ultra-violet and visible spectral regions with aluminum oxide (Al 2 O 3) films using an atomic layer
Latest Updates Planar Waveguides
In the first part of the chapter, we will focus on the mode characteristics and single-mode conditions for the SOI waveguides, including the slab, strip, and rib waveguides, and then continue on the loss and
Latest Updates Reducing thermal resistance of high-power semiconductor diode
Using a simple model we have calculated the thermal resistance of the heterostructure of broad-area lasers and compared the CLOC design with the reference one as well as with some of
Latest Updates Lecture: Transmission Lines and Waveguides
At low frequencies, the fields resemble closely a TEM mode (v = 0/ ) with fields confined in the dielectric, but at high frequency there are more non-negligible longitudinal components of both E or H resulting
Latest Updates Thermal-stress effects on the temperature sensitivity of
In this paper, a general method to study thermal-stress effects on the temperature sensitivity of the effective refractive index is developed. The
Latest Updates 2.7 Waveguides and Integrated Optics
Guiding of light with exceptionally low loss in fiber (0.1dB/km) can be achieved by using total internal reflection. Figure 2.83 shows different optical waveguides with a high index core mate-rial and low
Latest Updates Low-Loss Low Thermo-Optic Coefficient Ta2O5 on
We describe the waveguide structure and key design parameters as well as fabrication considerations for processing tantala on quartz waveguides.
Latest Updates Low-Loss Low Thermo-Optic Coefficient Ta2O5 on
The challenge lies in realizing waveguides that not only deliver low optical loss but also exhibit a low thermo-optic coefficient and frequency noise
Latest Updates Construction of the refractive index profiles for few-mode planar
Integrated optical waveguides formed by ion-exchange in glass have attracted considerable interests, due to the low cost of the materials and simplicity of the process in
Latest Updates Low-loss low thermo-optic coefficient Ta2O5 on crystal quartz planar
This waveguide offers significant advantages over other waveguides in terms of its low thermo-optic coeficient and reduced thermorefractive-related frequency noise.
Latest Updates A review of typical PLD arrangements: Challenges, awareness, and
But these methods are highly inefficient due to the resulting low deposition rate and the non-uniformity of the film thickness (although some research has been made to overcome these
Latest Updates A Comparison of Approaches for Ultra-Low-Loss Waveguides
In this work, we compare three upper cladding approaches that can be used in such waveguides: PECVD SiO2, deposited and reflowed BPSG, and wafer-bonded thermal oxide (Fig. 1).
Latest Updates Precise mode control of laser-written waveguides for broadband, low
This approach provides a route to achieve ultra-broadband and low-dispersion coupling in 3D photonic circuits, with overwhelming advantages over conventional planar waveguide-optic
Latest Updates An exact analysis of the temperature control of optical waveguides
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
Latest Updates (PDF) Photorefractive damage resistance in Ti:PPLN
Results predict a much better damage resistance of Ti:PPLN waveguides with ridge geometry in comparison with conventional indiffused