Browsing Centre for Nano Science and Engineering (CeNSE) by Title
Now showing items 12-31 of 154
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Architectures for linewidth reduction in cascaded Raman fiber lasers and applications
Fiber lasers have been increasingly used as a high-power source due to several advantages, such as superior beam quality, better thermal management, high efficiency, and compact and reliable design. In fiber lasers, ... -
ASIC Implementation of A High Throughput, Low Latency, Memory Optimized FFT Processor
(2016-09-09)The rapid advancements in semiconductor technology have led to constant shrinking of transistor sizes as per Moore's Law. Wireless communications is one field which has seen explosive growth, thanks to the cramming of more ... -
Band-matched transport layers and intrinsically stable perovskite solar cells for application to perovskite Si tandem cells
Hybrid perovskite/silicon tandem solar cells offer low-cost alternatives to the commercially established silicon solar cells. In this thesis, we present the material and device optimizations of the subcells that can be ... -
Biodegradable Polymers for Drug Delivery and Tissue Engineering
(2018-06-29)Regeneration, a spontaneous response of bones in response to injuries, infections and fractures, is severely compromised in certain clinical circumstances. Unfortunately, several shortcomings are associated with the current ... -
Biologically Inspired Electronic Nose: Innovations and Developments
The olfactory system is a highly efficient and complex network for detecting and interpreting a wide range of chemical signals. It consists of specialized sensory cells located in the nasal mucosa that detect odor molecules ... -
Bright-field Nanoscopy
This thesis discusses the design and development of a technique which focuses on visualization of nanoscale structures using a regular bright-field optical microscope without the need of any additional fluorescent tags. ... -
Broadband Ultrafast Signal Generation and Dissemination via Dynamic Fiber Optic Links
Mode-locked fiber lasers, with rare-earth-doped fibers offering numerous advantages over alternative gain media, including excellent beam quality, simple thermal management, and a compact and robust design, are in high ... -
Chemical Vapour Deposition of Tungsten Disulphide Aided by Thermodynamic and Density Functional Theory Modelling
Transition metal dichalcogenides (TMDs) are versatile materials that offer a wide variety of applications in electronics, sensing, energy, etc. Tungsten disulphide (WS2) is a layered semiconductor TMD with impressive ... -
Cold Atmospheric Plasma System - Simulation, Fabrication, Diagnosis and Thinfilm deposition
(2018-05-14)In this thesis, we report the various aspects of fabricating a Cold Atmospheric Plasma system, which can be used for Plasma Enhanced Chemical Vapour Deposition. The greatest advantage of this system is its vacuum free ... -
Conformal Electronics on Elastomers: Packaging Methods and Design Rules
Flexible Electronics is a multi-disciplinary domain that creates intersections among elec- tronics, materials-science, mechanics, packaging, sensor-design, etc., to build exible / stretchable / conformal electronic ... -
Continuous-Wave Supercontinuum Generation using Cascaded Raman Fiber Lasers
This thesis explains architecture and techniques to generate high power, CW supercontinuum laser sources using standard Silica fibers as the nonlinear medium, pumped using high power CW Yb doped fiber lasers. Unlike the ... -
Controlling Defects in CVD Grown Graphene : Device Application Perspective
(2017-12-06)Necessity is the mother of all inventions. With Si hitting the speed bottleneck, newer materials to replace Si are being sought out. The ex-foliation based experiments on graphene by Geim and Novoselov at this point was ... -
Cricket Inspired micro Speakers
MEMS technology has ushered in a new era of miniaturized sensors and actuators. Many smart devices and systems are being developed using these sensors. Home automation is now a widespread reality owing to the development ... -
Deeply Scaled InAlN/GaN-on-Silicon High Electron Mobility Transistors for RF Applications
Wide bandgap gallium nitride (GaN) based high electron mobility transistors (HEMTs) are promising candidates for next-generation radio frequency (RF) power amplifier applications owing to high electron saturation velocity ... -
Deploying an Orthogonal Turn for Isolation of Rare Cell Populations from Vascular Environments
Cancer cells are shed from metastatic primary tumors, bearing the potential for blood-borne metastasis to distant vital organs. Metastasis is predominantly responsible for cancer-related deaths. These circulating tumor ... -
Design and development of high speed optical modulator on silicon-on-insulator platform
Optical communication has transformed information technology and enabled the present-day data explosion. The new era of data centric society is primarily driven by the ability to communicate data at high-speed. Migration ... -
Design, Development and Testing of Cervical Dilatation Measurement System
Monitoring labour progression is of utmost importance, to avoid complications during childbirth. Frequent monitoring allows prevention, identification, and management of complications during childbirth. Improper monitoring ... -
Detection and Dynamics of Electron Bubbles in Liquid Helium-4
Liquid helium surfaces display fascinating phenomena resulting from the interaction be- tween helium atoms and excess electrons. These interactions are characterized by (i) a long-range attraction due to the finite ... -
Development and application of multi-photon microscopy in neuroscience and nanoscience
Neuroscience is at crossroads. Several interdisciplinary optical developments centred around nonlinear optical processes helps in better understanding of brain function at sub-micron and millisecond precision. Traditional ... -
Development and Characterization of Multi-finger GaN HEMT for Power switching applications
Power electronics is the branch that connects electricity and the world. Power devices play a significant role in reducing CO2 emissions and saving energy. As technology develops, the main focus is reducing energy consumption, ...