Ion implantation waveguide
Web1 feb. 1997 · The results show that the mega-electron-volt He implantation results in a decrease in refractive index in barriers for both n(o) and n(e), but for n(e) there is an obvious increase in the waveguide region. From an experiment in photorefractive two-wave mixing, it is found that the erasure time for two-wave mixing is prolonged by ion implantation. Web6 nov. 2006 · The authors report on the fabrication of one dimensional channel waveguide array in photorefractive Ce-doped potassium sodium strontium barium niobate crystal by photographic masking and following direct multiple energy He + ion implantation. The dark mode spectroscopy is investigated for determining the refractive index modulation …
Ion implantation waveguide
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WebFollowing the first systematic studies of damage-induced refractive index variation at a fixed wavelength [10] and the demonstration of waveguide fabrication in diamond with ion implantation [4], the dependence of refractive index variation upon structural damage needs to be systematically explored in a wide wavelength range for a broader spectrum … Websuch GaN/ZnO-based devices, ion implantation is usually employed [6,7], especially for doping or for electrical isolation. Ion implantation can offer possibility of introducing any given impurity with accurate control of both the depth and lateral concentrations of the ions. Implantation of light ions, such as O +or H , into ZnO devices is
WebIon implantation is a batch process and has a treatment time of about 2 to 10 hours. The process is much more reproducible and controllable than most other conventional surface treatments. After ion implantation, the component … WebIn KNbO3 single crystals planar optical waveguides were fabricated by He ion implantation with doses from 2·5 · 1014 cm−2 to 2 · 1016 cm−2. The waveguides were analyzed by dark line spectroscopy at...
Web30 mei 2012 · Optical channel waveguides in Nd3+:MgO:LiNbO3 crystals are produced by using implantation of 500 keV protons at dose of 6×1016 ions/cm2 with a stripe … Webwaveguides coupled to laser written nitrogen - vacany centers. Fabricated and characterized waveguides in the bulk of diamond for Mid-IR …
WebA two-dimensional waveguide is the building block in integrated photonic circuits. In this work, the 5.0 MeV oxygen ion implantation at a dose of 5. 0 × 1 0 1 4 ions/cm 2 was carried out on the fused silica glass for the formation of the planar waveguide. Then, a femtosecond laser was employed to ablate the ion-implanted surface at a speed of 200 …
Web26 jun. 2024 · Ion implantation was performed on the three chips under the same conditions, and the shapes of the resulting vertically curved Si waveguide were observed by a scanning electron microscope (SEM). Figures 1 (c) and 1 (d) show typical SEM images of the Si-VCW before and after the removal of the W mask. bullhead jeans womenWebHighly effective problem solver and collaborator in real-world situations. Have over 15 years of experience in applying advanced instrumentation … bullhead jeans size 5WebThe availability of high quality manufacturing for optical micro/nano patterned cavities paves the way to the development of scalable circuits and devices based on optomechanical (OM) interaction of sound and light in extremely small volumes. In this contribution, we propose a new study on OM cavities that can lead to precise control of their coupling with closely … bullhead joggers pacsunWebCostas has more than 25 years of experience in technology and innovation management, SME and start-up formation, research and product development in the photonics and telecom industries as well as in IP creation and commercialisation. He has worked for academia and world-class multinational corporations, such as Alcatel-Lucent, and for a … hair styles idWeb12 jan. 2013 · Abstract As a well-known technique for material modification, ion implantation has become an effective method to fabricate waveguide in optical glasses. The guiding structures can be accurately controlled by the adjustment of the species, energies and fluences of the implanted ions. bullhead jeans women\u0027sWebImplantation of MeV erbium ions into micron-thick silica and phosphosilicate glass films and 1200-A-thick S&N4 films is studied with the, aim of incorporating the rare-earth … hairstyles ideasWeb5 nov. 2024 · Titanium-indiffused waveguides are fabricated through the diffusion of titanium ribs at a high temperature (~1000°C). The typical width of the Ti ribs is 6–7 μm and the thickness ranges from 80 to 100 nm for operations at 1550 nm wavelength. Extensive description of the process is given by Burns et al. [ 17 ]. bullhead joggers back