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We discuss effects of dielectric claddings on nanoscale engineered optical nonlinearities for Si nanophotonics applications to modulation and wave mixing of optical fields.
We present here the results of our investigation of a transactional model of parallel programming on cluster computing systems. This model is specifically targeted for graph applications with the goal of harnessing unstructured parallelism inherently present in many such problems. In this model, tasks for vertex-centric computations are executed optimistically in parallel as serializable transactions...
In this paper, a new hybrid multi-stage musical instrument sound signal compression method, based on DWPT and MDCT using efficient psychoacoustic models is proposed. The primary objective is to perform lossy and perceptually transparent compression on the sounds of various Indian musical instruments. Firstly, the original sound signal is decomposed into wavelet packets using an optimal wavelet basis...
This paper presents a new filter structure based on single voltage differencing trans-conductance amplifier (VDTA) which is capable of realizing all five current-mode biquad filtering functions by the use of three current input signals. In addition of using single VDTA, the presented current-mode structure also employs three grounded passive elements in the form of two capacitors and one resistor...
The integration of a photonic information processing system onto a single chip requires great research effort toward engineering metamaterials for miniaturization of the optical devices and circuits. We discuss nanoscale engineered optical nonlinearities for modulation and wave mixing of optical fields, and metal-dielectric-semiconductor nanostructures and compositions to construct nanoemitters for...
In the era of modern computing based environment, the process of design is conceptualized, implemented and tested in a close loop integrating different modules of design, manufacturing and usages. In this regard, this paper presents a computing based design model for the design of a ‘Pneumatic Driven Variable Buoyancy System (PDVBS)’ for ‘Autonomous Underwater Vehicles (AUVs)’. The presented design...
The integration of a photonic information processing system onto a single chip requires great research effort toward engineering metamaterials for miniaturization of the optical devices and circuits. We discuss nanoscale engineered optical nonlinearities for modulation and wave mixing of optical fields, and metal-dielectric-semiconductor nanostructures and compositions to construct nanoemitters for...
In Academia, plagiarism is considered as an academic dishonesty (crime) or violation of copyright law. Like any other crime, this academic offense should also be payable by a specific penalty. For this purpose, A self-made questionnaires have been designed and data have been collected through an online survey between 11th Sep 2015 and 24th September 2015 via the Google forms. The objective of this...
The efficient control of buoyancy with low power is critically important in the design of new age ‘Autonomous Underwater Vehicles/Gliders (AUVs/Gs)’. This paper presents a ‘Computer Simulation Model (CSM)’ for the primary design of ‘Variable Buoyancy System (VBS)’ for AUVs/AUGs to efficient control buoyancy and the simulation model is built in the environment of integration, modular architecture and...
This paper presents a computer simulation model to study the bio-mimetic fish modeled as a compliant beam. The aim is to determine the natural frequencies of the fish and then compute and characterize the mode shapes and relate them to propulsive thrust. The application of model is focused on design of propulsion systems with compliant bodies for bio-mimetic locomotion in marine environments. The...
We study a wireless communication system based on a magnetic tunnel junction spin-torque nano-oscillator (STNO) by employing amplitude-shift-keying modulation. By varying the pulse modulation frequency ( $f_{m}$ ) from 1 kHz to 2 MHz and distance ($D$ ) between the antenna from 25 to 150 cm, we show a maximum data rate of 6 Mb/s (at $D=25$ cm and $f_{m}=1$ MHz), a limit imposed by our setup...
The Compact Muon Solenoid (CMS) detector installed at the CERN Large Hadron Collider (LHC) has an extensive muon system which provides information simultaneously for identification, track reconstruction and triggering of muons. As a consequence of the extreme particle rate and high integrated charge, the essentiality to upgrade the LHC has given rise to the High Luminosity phase of the LHC (HL-LHC)...
The Compact Muon Solenoid (CMS) detector is one of the two general-purpose detectors at the CERN LHC. LHC will provide exceptional high instantaneous and integrated luminosity after second long shutdown. The forward region |η| ≥ 1:5 of CMS detector will face extremely high particle rates in tens of kHz/cm2 and hence it will affect the momentum resolution, efficiency and longevity of the muon detectors...
We assess the performance of a parylene C - aluminum oxide bilayer encapsulation strategy as it applies to implantable devices with non-planar topography. Electrochemical measurements of devices subject to in vitro accelerated lifetime testing are analyzed to evaluate benefits of bilayer encapsulation versus parylene C alone. Failure modes associated with device features and topographies are identified...
The paper presents the process design, simulation and characterization of a silicon-on-insulator (SOI)-based dual-gate metal oxide field-effect transistor (DG MOSFET) with Al metal gate. The proposed structure is an N-channel device, using aluminum nitride (AlN) as gate dielectric. The fully depleted SOI-based DG ISFET compatible with the complementary metal-oxide-semiconductor (CMOS) process is considered...
This paper reports the fabrication of n-type MOSFET using Si3N4 as dielectric on the same wafer as ISFET for ISFET characterization. The paper presents the fabrication, simulation and characterization of metal-oxide field-effect transistor (MOSFET). The gate of the ISFET is stacked with Si3N4 sensing membrane layer that has been deposited using LPCVD system to cover the gate area. Output and transfer...
In biopharmaceutical manufacturing, monitoring of bioprocess parameters is very crucial for maximum cell growth, viability and density, as well as biologic product concentration and yield. At the same time, disposable technologies have become popular due to their low capital costs, minimal contamination risk and lower sterilization overhead. We have developed a sensor-array that utilizes novel stimuli-responsive...
Wireless transmission requires a circuitry to generate GHz range signal. Spin transfer torque [1,2] devices are one of the promising candidates for generating stable signal in the GHz range through collective precession of the local spins in one of the ferromagnetic layer, known as free layer. Another ferromagnetic layer, fixed layer, acts as a medium to convert the incoming electric current into...
The Coefficient Diagram Method (CDM) is the one of the most efficient control design methods that is stable and robust, system responses without overshoot and has very small settling time. The CDM is algebraic in nature and resolve the classical control problem after selecting a few meaningful design parameters and by automatically determining a target characteristic polynomial for the closed loop...
A scheme for on line fault detection in a power system is introduced in this paper. The scheme is based on the use of a sliding mode observer where an appropriate set of output measurements is utilized to detect the onset of faults in the transmission network of the power system in real time and on-line. The power system considered in this study comprises a generating unit connected to an infinite...
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