نتایج جستجو برای: integrated optic pockels cell
تعداد نتایج: 1972373 فیلتر نتایج به سال:
Title of thesis: STOCHASTIC PROPERTIES OF WIDE FIELD INTEGRATED OPTIC FLOW MEASUREMENTS Scott Owen, Master of Science, 2009 Thesis directed by: Professor J. Sean Humbert Aerospace Engineering Wide Field Integration (WFI) is a biologically inspired method of spatially decomposing optic flow estimates to extract relevant behavioral cues for navigation. In this thesis, a framework is developed tha...
An integrated electro-optic waveguide modulator is demonstrated in bulk fused silica. A Mach-Zehnder interferometer waveguide structure is fabricated by direct writing with a femtosecond laser followed by thermal poling. A 20 degrees electro-optic phase shift is achieved at an operating wavelength of 1.55 microm with an applied voltage of 400 V and an interaction length of 25.6 mm, which corres...
Optical fiber sensors integrated into sodium-ion batteries could provide a battery management system (BMS) with information to identify early warning signs of plating, preventing catastrophic failure and maintaining safe operation during fast charging. This work shows the possibility directly detecting plating sodium metal in electrochemical cells by means operando optic evanescent wave (FOEW) ...
Here we report a wafer-scale graphene/P(VDF-TrFE)/graphene multilayer for light-weight, flexible and fast-switched broadband modulation applications. The P(VDF-TrFE) film not only significantly reduces the sheet resistance of graphene throughout heavy doping of ∼0.8 × 10(13) cm(-2) by nonvolatile ferroelectric dipoles, but also acts as an efficient electro-optic (EO) layer. Such multilayered st...
Silicon-organic hybrid (SOH) devices combine silicon waveguides with a number of specialized materials, ranging from third-order optically-nonlinear molecules to second-order nonlinear polymers and liquid-crystals. Second-order nonlinear materials allow building high-speed and low-voltage electro-optic modulators, which are key components for future silicon-based photonics transceivers. We repo...
This paper addresses the recent development of real-time visual odometry system based on dual optical-flow systems and its integration to aided inertial navigation aiming for small-scale flying robots. To overcome the unknown depth information in optic-flows, a dual optic-flow system is developed. The flow measurements are then fused with a low-cost inertial sensor using an extended Kalman filt...
A recent experiment, performed at the Massachusetts Institute of Technology, has demonstrated that by locking a microwave oscillator to an optical pulse train from a modelocked laser, exceptional timing stability can be achieved. In the experiment, a 10.225-GHz microwave oscillator was locked to an optical phase detection apparatus consisting of a modelocked laser, a Sagnac interferometer, and ...
Quantum interference is indispensable to derive integrated quantum optic technologies (1-2). For further progress in large scale integration of quantum optic circuit, we have introduced first time two mode interference (TMI) coupler as an ultra compact component. The quantum interference varying with coupling length corresponding to the coupling ratio is studied and the larger HOM dip with peak...
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