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Introduction to Nonlinear Optics and its Applications

Introduction to Nonlinear Optics and its Applications. Instructor: Prof. Samudra Roy, Department of Physics, IIT Kharagpur. Nonlinear Optics is one of the important subdisciplines of Modern Optics. It mainly deals with the light-matter interaction when the material response is nonlinear. In the prescribed course we study the basic nonlinear optical effects (like higher harmonic generation, optical Kerr effect, self-phase modulation etc) that take place when the material is illuminated by a strong light (preferably Laser). The course offers the subject matter by giving a rigorous theoretical background and framework for a nonlinear effect, followed by details of how such an effect is implemented in real applications. (from nptel.ac.in)

Lecture 46 - Phase Matching, Evolution of Third Harmonic Wave under Constant Pump


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Basic Linear Optics
Lecture 01 - Maxwell's Equations and their Solutions
Lecture 02 - Direction of Energy Flow, Intensity of an EM Wave, Anisotropic Media
Lecture 03 - Susceptibility Tensor and its Properties, EM Wave Propagation in Anisotropic Media
Lecture 04 - EM Wave Propagation in Anisotropic Media
Lecture 05 - EM Wave Propagation in Anisotropic Media (cont.)
Lecture 06 - EM Wave Propagation in Anisotropic Media (cont.)
Lecture 07 - Index Ellipsoid, Linear Response and Polarization
Lecture 08 - Linear Response and Polarization (cont.), Dielectric Susceptibility
Lecture 09 - Dielectric Susceptibility (Lorentz Model), Complex Refractive Index
Nonlinear Optics: An Introduction
Lecture 10 - Nonlinear Optics: Introduction and a Quick Overview
Lecture 11 - Applications of Nonlinear Optics, Classical Origin of Optical Nonlinearity
Lecture 12 - Classical Origin of Nonlinearity and Miller's Rule
Lecture 13 - Linear and Nonlinear Polarisation, Second Harmonic Generation (SHG)
Lecture 14 - Optical Rectification, Linear Electro-optic Effect
Lecture 15 - Sum and Difference Frequency Generation
Lecture 16 - Nonlinear Maxwell's Equation, Theory of Second Harmonic Generation
Lecture 17 - Theory of Second Harmonic Generation (cont.)
Lecture 18 - Theory of SHG (cont.), Phase Matching
Lecture 19 - Phase Matching of SHG, Gain Band Width Calculation
Lecture 20 - Manley-Rowe Relation, Energy Conservation in SHG
Lecture 21 - Birefringence Phase Matching, Type I and type II Phase Matching
Lecture 22 - Type II Phase Matching, Symmetry in Nonlinear Susceptibility
Lecture 23 - Kleinman's Symmetry, Neumann's Principle
Lecture 24 - Neumann's Principle (cont.), Centrosymmetric System
Lecture 25 - Matrix Form: SHG, SFG, DFG, SHG in KDP Crystal
Lecture 26 - SHG in KDP Crystal
Lecture 27 - SHG in LiNbO3
Lecture 28 - Quasi Phase Matching (QPM)
Lecture 29 - Quasi Phase Matching (QPM), Periodic d-function
Lecture 30 - Calculation of Quasi Phase Matching, Realistic Calculation of SHG
Lecture 31 - Realistic Calculation of SHG, 3 Wave Interaction
Lecture 32 - 3 Wave Interaction (cont.), Non-collinear Phase Matching
Lecture 33 - Manley-Rowe Relation (3 Wave Mixing), Parametric Down Conversion
Lecture 34 - Parametric Down Conversion (cont.), Optical Parametric Amplification (OPA)
Lecture 35 - Optical Parametric Amplification, Difference Frequency Generation under OPA
Lecture 36 - Sum Frequency Generation under OPA
Lecture 37 - OPA under Non-phase Matching Condition, Expression of Gain
Lecture 38 - Optical Parametric Oscillator (OPO), Singly Resonant Oscillator
Lecture 39 - Doubly Resonant Oscillator (DRO)
Lecture 40 - Doubly Resonant Oscillator (cont.)
Lecture 41 - Third Order Nonlinear Effect, Optical Kerr Effect
Lecture 42 - Optical Kerr Effect and Self-Focusing, Symmetry in Third Order Susceptibility
Lecture 43 - Symmetry in Third Order Susceptibility (cont.), Self Phase Modulation (SPM)
Lecture 44 - Self Phase Modulation (cont.), Frequency Shift
Lecture 45 - Third Harmonic Generation (3HG), Energy Conservation
Lecture 46 - Phase Matching, Evolution of Third Harmonic Wave under Constant Pump
Lecture 47 - 3HG under Pump Depletion, Cross Phase Modulation (XPM)
Lecture 48 - Cross Phase Modulation (cont.), Nonlinear Absorption
Lecture 49 - Four Wave Mixing, Cross Talk Frequency
Lecture 50 - Four Wave Mixing (cont.)
Lecture 51 - Parametric Amplification under FWM
Lecture 52 - Parametric Amplification under FWM (cont.)
Lecture 53 - Optimal Phase Conjugation
Lecture 54 - Raman Scattering
Lecture 55 - Stimulated Raman Scattering
Lecture 56 - Raman Amplification
Lecture 57 - Raman Amplification (cont.)
Lecture 58 - Linear Pulse Propagation
Lecture 59 - Nonlinear Pulse Propagation
Lecture 60 - Optical Soliton