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Swayam

Fundamentals of Nano and Quantum Photonics

IIT Hyderabad and NPTEL via Swayam

Overview

About the course: The course objective is to familiarize students to the research frontiers in Nano and Quantum Optics. The course will discuss fundamental principles with emphasis on developing intuitive understanding and developing analytical techniques.This course is primarily designed for post-graduate and PhD research scholars in Photonics. Senior undergraduate students pursuing ECE/EE/Physics or related programs will also benefit by exposure to this frontier area of research. Faculty interesting in expanding their knowledge base and/or prepare for research programs will also find it beneficial.PRE-REQUISITES: Introduction to Semiconductor Devices (108106181 or equivalent), Introduction to Photonics (108106135), Elementary quantum mechanics.INDUSTRY SUPPORT: Semiconductor Industry.

Syllabus

Week 1:Introduction to nanophotonics – Why nanophotonics? Review of electromagnetics, Maxwell equations and Wave Optics, Electromagnetic radiation and evanescent waves, the Diffraction limit of light Week 2:Light-matter interaction - Dielectric function, Kramers-Kronig relationship, Drude-Lorentz and Drude models, Interband and Intraband transitions Week 3:Plasmonics - Quasi-static limit, nanoparticle as a plasmonic atom, size-dependent absorption and scattering, coupled nanoparticles, plasmon hybridization Week 4:Dielectric nanophotonics – Photonics in 2D, 1D and 0D semiconductors, Selection rules, Photonic density of states Week 5:Electromagnetic waves in 1D periodic potential - Scattering from planar interfaces, Photonic bandgaps, Rayleigh anomalies Week 6:Electromagnetic waves in 2D periodic potential - Electric and magnetic metamaterials, negative refractive index, superlens and hyperlens, Plasmonic and Dielectric metasurfaces Week 7:Light emitting(active) metamaterials - Optical gain, Radiative and non-radiative transitions, Amplified emission, Lasing threshold, Nano-lasers Week 8:Nanofabrication of photonic devices – examples from recent literature on nanophotonic devices, Classical to quantum nanophotonics (small dimensions + low intensity/few photons) Week 9:Photon Statistics - Photonics in the quantum regime, Classification of light by Photons statistics, Super-Poissonian and sub-Poissonian light, photo-detection Week 10:Photon Anti-bunching - Hanbury-Brown Twiss interferometer, second-order correlation function, photon bunching and anti-bunching, Single-Photon Sources Week 11:Canonical quantization - Quantum harmonic oscillator, phasor diagrams and quadratures, Vacuum fluctuations, Coherent states, Number-phase uncertainty Week 12:Resonant light-atom interactions - time-dependent Schrodinger equations, Strong and weak coupling, Rabi-oscillations

Taught by

Prof. Naresh Kumar Emani

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