A monolithically integrated low linewidth optical comb is demonstrated by gain switching of a three-section laser device. The device consists slave and master section separated shared slotted mirror section. Wavelength tunability has been varying the electrical bias each number lines shown to almost double with addition injection from into slave. unmodulated full width half max ∼ 500 kHz, while line set were measured be 600 little degradation as result switching. FSR (free spectral range) 4...

Presented in this paper are the design and applications of a power smart in-door optical wireless link suitable for use situations where distance changes. The provides lossless beam propagation between Transmitter (T) Receiver (R) using agile optics. In addition also capability to form large field view (FOV) search that can aid alignment T/R units. A proof concept experiment is presented length varied from 1 m 4 with an loss improvement 53% over unconditioned at maximum m. less than 7%...

We present the design of a smart multiple-mode indoor optical wireless system that combines line-of-sight (LOS) and non-LOS methods to smartly adapt changes in environment application. The proposed is able operate three modes called directed LOS, non-directed diffuse non-LOS. These accommodate for number users their mobility, along with providing optimal light coverage area increased robustness receive blocking. Experiments first time demonstrate use multimode sources links using...

This paper presents a novel optical image scene object boundary mapping sensor using combined space-time processing within the framework of Digital Micromirror Device (DMD). Sensor operation data efficiency is generated by smart spatial scanning plane with single-pixel basis time delay electronic processing. In effect, compressed sensing achieved hybrid optical-electronic means. Experimental results for target detection are demonstrated visible light illuminated rectangular and multi-square...

Presented for the first time, to best of authors’ knowledge, is design a power smart in-door optical wireless link that provides lossless beam propagation between Transmitter (T) and Receiver (R) changing distances. Each T/R unit uses combination fixed variable focal length optics smartly adjust laser parameters minimum waist size its location produce optimal zero loss coupling condition at R distance. An Electronically Controlled Variable Focus Lens (ECVFL) used form wide field-of-view...

Precise knowledge of laser beam parameters is a key requirement in many photonics applications including for lasers and optics used the transportation industry. This paper reports on novel motion-free characterization system using electronically agile digital analog such as Digital Micromirror Device (DMD) an variable focal length lens. The proposed has capability measuring all minimum waist size, location, divergence propagation parameter (M²). Experimental results demonstrate...

To the best of our knowledge, proposed for first time is design an optically broadband variable photonic delay line (VPDL) using electronically controlled focus lens (ECVFL), mirror motion, and beam-conditioned free-space laser beam propagation. This loss-minimized fiber-coupled VPDL micro-optic components has ability to simultaneously provide optical attenuation controls analog-mode high-resolution (subpicoseconds) continuous delays over a moderate (e.g., <5 ns) range delays. An example...

In this paper, is proposed a smart design for two-dimensional (2-D) optical display using 2-D laser scanning and an electronically programmable three-dimensional (3-D) beamforming lens element. Specifically, controlled variable focal length (ECVFL) adjusts its focus power to produce the smallest focused beam spot on screen within designed distance range. Since known, angular scan range mirrors can be computed generate desired number of scanned spots in display. Thus with pixel size formed...

Presented is a novel design of multimode laser beam analyzer using digital micromirror device (DMD) and an electronically controlled variable focus lens (ECVFL) that serve as the analog agile optics, respectively. The proposed broadband characterization instrument uses optics to smartly direct light required point photodetectors enable measurements minimum waist size, location, divergence, propagation parameter M2. Experimental results successfully demonstrate these for 500 mW test with...

The packaging of high speed Photonic Integrated Circuits (PICs) should maintain the electrical signal integrity. standard PICs relies on wire bonds. This is not desirable because bonds degrade quality signal. research presented in this paper proposes to replace with an interposer multilevel transmission lines. By attaching PIC by flip chip onto interposer, use avoided. main concern for designing lines vertical transition, which must be designed avoid return and radiation losses. In paper, a...

Presented is a novel design of multimode laser beam analyzer to enable measurements minimum waist size, location, divergence and the propagation parameter called M². Experimental results demonstrate these for 532 nm test beam.

This paper presents a novel, non-intrusive, non-contact object boundary mapping sensor using Digital Micromirror Device (DMD) and real-time pixel processing. The presented is ideal for use in environments where brightly illuminated or radiating objects are hazardous environment such as with radiation, heat, cold, harmful machine parts, etc. Experimental results demonstrate the rectangular target multi-square by visible wavelengths.

In this paper we present a transmission line design to achieve phase matched lines for high-speed optical modulators. The layout presented is that start off equally spaced. mathematical relation matching between the derived by making path length difference zero. Example layouts using co-planar waveguide are generated based upon specifications of some Mach-Zehnder Modulators (MZM) and in-phase/quadrature (IQ) MZMs have been designed. method then verified comparing in commercial full-wave...

This paper presents a non-intrusive, non-contact object distance mapping sensor using an Electronically Controlled Variable Focus Lens (ECVFL). The proposed is free-space-based optical that uses ECVFL-based agile optics to direct light from requires terrain height mapping. presented compact design makes the ideal for use in environments where laser illuminated objects are hazardous environment such as with radiation, heat, cold, harmful machine parts, etc. few components and smart detection...

To the best of our knowledge, proposed is first liquid lens technology-based 1x2 fiber optic switch using a single Electronically Controlled Variable Focus Lens (ECVFL). By controlling focal length ECVFL, input optical beam spatially adjusted to couple into respective output port. The demonstrates 3-dB bandwidth 175.67 nm, with center frequency 1550 and features low power consumption suitable for mobile applications. can be useful in communication control systems, roadway sensor vehicle...

This paper demonstrates a push-pull traveling-wave Mach-Zehnder modulator on InP which operates up to 50Gb/s in C band optical transmission system. MZM could potentially be integrated form the IQ modulators, Dual modulators and PM-IQ achieve higher operating speed.

To compensate for velocity mismatch in travelling wave opto-electronic devices, the microwave of propagating RF signal is reduced by introducing capacitively loaded elements. For high speed operation, these elements must be electrically isolated from one another, which typically achieved using ion-implantation to render p-doped material non-conducting. We propose and demonstrate through optical electrical simulations that can avoided a quasi-shallow etch isolate capacitive High isolation...

Designing photonic integrated circuits (PICs) with packaging in mind is important since this impacts the performance of final product. In coherent optical communication applications there are a large number DC and RF lines that need routed to connect PIC outer packaging. These should be impedance matched devices, isolated from each other, low loss protected against electromagnetic interference (EMI) over frequency range interest achieve required for application. Multilevel temperature...

The aim of this work is the development a software modules collection capable to acquire, elaborate and archive biomedical signals related information using HL7 version 3 standard format in order achieve full portability adhere international standards for exchange such structured form. resulting system uses graphical user interface (GUI) drive acquiring analysing signals. Structured messages WEB-services are used data signal diffusion.