We report a technique for fabricating metallic electrodes on insulating substrates with separations on the 1 nm scale. The fabrication technique, which combines lithographic and electrochemical methods, provides atomic resolution without requiring sophisticated instrumentation. The process is simple, controllable, reversible, and robust, allowing rapid fabrication of electrode pairs with high y...

We present an innovative and efficient technique for post-fabrication trimming of silicon photonic integrated circuits (PICs). Our approach exploits the high photosensitivity of chalcogenide glasses (ChGs) to induce local and permanent modifications of the optical properties and spectral responses of ChG-assisted silicon devices. We experimentally demonstrate the potential of this technique on ...

recently, as the result of the development in modern imaging, computerized three dimensional data processing and advanced engineering techniques, an prosthesis that match the skeletal anatomy can be accurately designed from computer aided design (cad) technique and the physical model of prosthesis or skull replica can be produced through rapid prototyping (rp), rapid tooling (rt), and computer ...

Photonic crystals have demonstrated potential for application in many fields and devices. We demonstrate practical fabrication of three-dimensional photonic crystals using the glancing angle deposition thin film fabrication technique. Optical characterization provides strong evidence for the existence of a complete photonic band gap in three dimensions, centered at 1.6 m. We also investigate th...

In this paper we focus on the fabrication of individual plastic refractive microlenses with Deep Lithography with Protons (DLP). We give a detailed description of the microlens fabrication technique and the calibration procedure that goes along with it. We highlight the geometrical and optical characteristics of these DLP microlenses and we demonstrate the reproducibility of the fabrication pro...

We report on a method to fabricate nanometer scale mechanical structures from bulk, single-crystal Si substrates. A technique developed previously required more complex fabrication methods and an undercut step using wet chemical processing. Our method does not require low pressure chemical vapor deposition of intermediate masking layers, and the final step in the processing uses a dry etch tech...

We report on fabrication of whispering-gallery-mode microlasers in a Nd:glass chip by femtosecond laser three-dimensional micromachining. The main fabrication procedures include the fabrication of freestanding microdisks supported by thin pillars by femtosecond laser ablation of the glass substrate immersed in water, followed by CO2 laser annealing for surface smoothing. The quality (Q) factor ...

In this paper, a novel way for the fabrication of opto-electronic transceiver modules is proposed. These modules are characterized by the use of MT-RJ connectors, low-cost fabrication tools, highly efficient opto-electronic components such as VCSELs and CMOS integrated detectors, and an easy fabrication scheme. The module is based on the direct alignment technique; this means that the fibre and...