Browsing by Advisor "Raghunathan, Varun"
Now showing items 1-10 of 10
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Design of broad-band backend compatible photonic devices and vertical inter-layer couplers
Optical interconnects are regarded as efficient replacements for conventional electrical wiring for realizing large data capacity, high-speed transmission and Silicon-based integrated photonics is the best candidate for ... -
Development of High Throughput Intelligent Indoor Optical Wireless Communication Systems
The proliferation of mobile devices in indoor environments has led to insatiable demand for high-speed, high-bandwidth data connectivity. Optical wireless communication (OWC) is seen as a promising technology capable of ... -
Investigation of Multi-Axis Beam Steering using Diffraction Grating
Optical beam-steering is becoming a key optical functionality in free space optical links used for communication and sensing. For example, in recent times, compact, wide-angle, fast, multi-axis beam steering is used ... -
Medium Index Contrast Guided Mode Resonant Structures for Photonic Applications in the Visible-Near Infrared Wavelength Regime
Guided mode resonant (GMR) structures are interesting from the point of view of enhanced light-matter interaction and find applications in sensing, filtering, and miniaturized photonic components. The Guided mode resonance ... -
Nonlinear Optical Enhancement Studies in Silicon-based Resonant Metasurfaces
Metasurfaces are two dimensional arrangements of building blocks called meta-atoms which have been found to be useful to manipulate amplitude, phase, polarization of light at the nanoscale. Using these properties, functional ... -
Quantitative Nonlinear Optical Microscopy with Applications in Nanostructure Imaging and Cancer Biology
Quantitative Nonlinear Optical Microscopy with Applications in Nanostructure Imaging and Cancer Biology Abstract: Nonlinear optical microscopy is a powerful imaging technique that has been used for imaging for diverse ... -
Resonant Metasurfaces for Mid-Infrared Photonics
The field of photonics offers a robust platform for efficient light-based technologies, directly impacting or serving as competent alternatives to address scientific problems. With the advent and advancement of micro-nano ... -
Tailoring Van – der – Waal materials for nonlinear nanophotonics
Van der Waals or two-dimensional (2D) material are emerging nanomaterials which has shown tremendous potential in building next-generation nonlinear optical devices. Monolayer and multilayer 2D materials exhibit strong ... -
Towards Practical High Throughput Laser-based Indoor Optical Wireless Communication Systems
Wireless communication has become an essential necessity in our day-to-day life with majority of these systems currently use radio frequency (RF) technology to transmit information. To meet the high end requirements, new ... -
True Random Number Generators based on Amplified Spontaneous Emission
Low-cost, high-speed quantum random number generators (QRNGs) are imperative to develop in order to have a widespread application in areas ranging from cryptography and stochastic simulations to banking and internet. ...