# Introduction to Non-linear Optics and its Applications

- Institution: IIT Kharagpur
- Department: Physics
- Teacher: Prof. Samudra Roy
- Level: Undergraduate
- Language: English
- Subjects: Physics
- Source: [NPTEL](https://nptel.ac.in/courses/115105105)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/115105105)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 01: Basic Linear Optics](https://invisiblenetwork.ai/learn/nptel/115105105/86a56522f14c) (Video)
2. [Lecture 02: Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/fccfe9f74857) (Video)
3. [Lecture 03: Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/5fab42e3ad00) (Video)
4. [Lecture 04: Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/bba99a0ce1f4) (Video)
5. [Lecture 05: Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/efb3db4c30fb) (Video)
6. [Lecture 06 : Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/4f0c8369184b) (Video)
7. [Lecture 07 : Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/c1653c5cb232) (Video)
8. [Lecture 08 : Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/91797ee2221a) (Video)
9. [Lecture 09 : Basic Linear Optics (contd.)](https://invisiblenetwork.ai/learn/nptel/115105105/a76f1fc17af5) (Video)
10. [Lecture 10 : Nonlinear Optics : An Introduction](https://invisiblenetwork.ai/learn/nptel/115105105/2a9514572a1a) (Video)
11. [Lecture 11 : Classical origin of optical nonlinearity](https://invisiblenetwork.ai/learn/nptel/115105105/5a303ff004a7) (Video)
12. [Lecture 12 : Miller's Rule](https://invisiblenetwork.ai/learn/nptel/115105105/ef655cc69c34) (Video)
13. [Lecture 13 : Second Harmonic Generation (SHG)](https://invisiblenetwork.ai/learn/nptel/115105105/dfdcc5a71290) (Video)
14. [Lecture 14 : Optical Rectification, Linear electro-optic effect](https://invisiblenetwork.ai/learn/nptel/115105105/a2a46c93424d) (Video)
15. [Lecture 15 : Sum & Difference frequency generation](https://invisiblenetwork.ai/learn/nptel/115105105/81cb4ba9e83e) (Video)
16. [Lecture 16 : Nonlinear Maxwell's equation](https://invisiblenetwork.ai/learn/nptel/115105105/2c83c3a1956d) (Video)
17. [Lecture 17 : Theory of SHG](https://invisiblenetwork.ai/learn/nptel/115105105/cbc8ca2f3907) (Video)
18. [Lecture 18 : Phase matching](https://invisiblenetwork.ai/learn/nptel/115105105/c53d07f61e05) (Video)
19. [Lecture 19 : Phase matching of SHG, Gain band width calculation](https://invisiblenetwork.ai/learn/nptel/115105105/8c5a83c7847c) (Video)
20. [Lecture 20 : Manley-Rowe Relation, Energy conservation in SHG,](https://invisiblenetwork.ai/learn/nptel/115105105/f256d9d7fec6) (Video)
21. [Lecture 21 : Birefringence phase-matching (BPM),Type I and Type II phase matching](https://invisiblenetwork.ai/learn/nptel/115105105/f2785192e905) (Video)
22. [Lecture 22 : Type II phase matching, Symmetry in nonlinear susceptibility](https://invisiblenetwork.ai/learn/nptel/115105105/a74777330fe5) (Video)
23. [Lecture 23 : Kleinman's Symmetry, Neumann's Principle](https://invisiblenetwork.ai/learn/nptel/115105105/a1b5dc0d94c9) (Video)
24. [Lecture 24 : Neumann's Principle (cont) Centrosymmetric system](https://invisiblenetwork.ai/learn/nptel/115105105/f4fc9122f323) (Video)
25. [Lecture 25 : Matrix form : SHG, SFG, DFG , SHG in KDP Crystal](https://invisiblenetwork.ai/learn/nptel/115105105/20aee42bdd4b) (Video)
26. [Lecture 26 : SHG in KDP crystal, Calculation of deff](https://invisiblenetwork.ai/learn/nptel/115105105/ab44b6842237) (Video)
27. [Lecture 27 : SHG in LiNbO3](https://invisiblenetwork.ai/learn/nptel/115105105/3fd8fb485cbe) (Video)
28. [Lecture 28 : Quasi phase matching (QPM)](https://invisiblenetwork.ai/learn/nptel/115105105/99e23386ea12) (Video)
29. [Lecture 29 : Quasi phase matching (QPM) (cont), Periodic d function](https://invisiblenetwork.ai/learn/nptel/115105105/3f7af64b3886) (Video)
30. [Lecture 30 : 1st, 2nd, 3rd order QPM, SHG under depleted pump](https://invisiblenetwork.ai/learn/nptel/115105105/1ae4ccb57142) (Video)
31. [Lecture 31: "Realistic calculation of SHG, 3 wave interaction"](https://invisiblenetwork.ai/learn/nptel/115105105/423f31d40eb6) (Video)
32. [Lecture 32: "3 wave interaction, Equation for pump, signal and idler wave, Non-collinear phase matching"](https://invisiblenetwork.ai/learn/nptel/115105105/04032baeb5b8) (Video)
33. [Lecture 33: Manley-Rowe Relation (3 wave mixing), Parametric down conversion](https://invisiblenetwork.ai/learn/nptel/115105105/3844cbf0bc7e) (Video)
34. [Lecture 34: Parametric down conversion (cont), Optical Parametric Amplification (OPA)](https://invisiblenetwork.ai/learn/nptel/115105105/eeda768dbf8d) (Video)
35. [Lecture 35: "Optical Parametric Amplification (OPA), Difference frequency generation under OPA"](https://invisiblenetwork.ai/learn/nptel/115105105/dee662c188ec) (Video)
36. [Lecture 36 : Sum frequency generation under OPA](https://invisiblenetwork.ai/learn/nptel/115105105/e0496092a379) (Video)
37. [Lecture 37 : OPA under non-phase matching condition, Expression of gain](https://invisiblenetwork.ai/learn/nptel/115105105/e66e15af1fb6) (Video)
38. [Lecture 38 : Optical parametric Oscillator (OPO) , Singly resonant oscillator](https://invisiblenetwork.ai/learn/nptel/115105105/48a5c8482d4b) (Video)
39. [Lecture 39 : Doubly Resonant Oscillator (DRO)](https://invisiblenetwork.ai/learn/nptel/115105105/4c0eeab6908c) (Video)
40. [Lecture 40 : Doubly Resonant Oscillator (DRO) (Cont)](https://invisiblenetwork.ai/learn/nptel/115105105/0a8c887dd56f) (Video)
41. [Lecture 41 : 3rd order nonlinear effect](https://invisiblenetwork.ai/learn/nptel/115105105/a9fb59fc3df9) (Video)
42. [Lecture 42 : Optical Kerr effect and Self-focusing, Symmetry in 3rd order susceptibility](https://invisiblenetwork.ai/learn/nptel/115105105/e04028dc992b) (Video)
43. [Lecture 43 : Symmetry in 3rd order susceptibility (Cont), Self Phase Modulation (SPM)](https://invisiblenetwork.ai/learn/nptel/115105105/cc3c3c4ba721) (Video)
44. [Lecture 44 : Self Phase Modulation (Cont), Frequency Shift](https://invisiblenetwork.ai/learn/nptel/115105105/b3c7ed9422aa) (Video)
45. [Lecture 45 : Third Harmonic Generation(3HG), Energy conservation](https://invisiblenetwork.ai/learn/nptel/115105105/8d0de56356e0) (Video)
46. [Lecture 46 : Third Harmonic Generation (Cont. )](https://invisiblenetwork.ai/learn/nptel/115105105/fc653add4459) (Video)
47. [Lecture 47 : Third Harmonic Generation (Cont. ), Cross Phase Modulation (XPM)](https://invisiblenetwork.ai/learn/nptel/115105105/a012f531b29e) (Video)
48. [Lecture 48 : Cross Phase Modulation (Cont.), Nonlinear Absorption](https://invisiblenetwork.ai/learn/nptel/115105105/cf0575f89f21) (Video)
49. [Lecture 49 : Four Wave Mixing](https://invisiblenetwork.ai/learn/nptel/115105105/6197a5cadcb9) (Video)
50. [Lecture 50 : Four Wave mixing (Cont)](https://invisiblenetwork.ai/learn/nptel/115105105/f566159c05dc) (Video)
51. [Lecture 51 : Parametric Amplification under FWM](https://invisiblenetwork.ai/learn/nptel/115105105/2798b646c280) (Video)
52. [Lecture 52 : Parametric Amplification under FWM (Cont)](https://invisiblenetwork.ai/learn/nptel/115105105/98ec1548ea02) (Video)
53. [Lecture 53 : Optical Phase Conjugation](https://invisiblenetwork.ai/learn/nptel/115105105/4b859d201d02) (Video)
54. [Lecture 55 : Stimulated Raman Scattering](https://invisiblenetwork.ai/learn/nptel/115105105/b0d9ea19aedb) (Video)
55. [Lecture 56 : Raman Amplification](https://invisiblenetwork.ai/learn/nptel/115105105/a1d5be85990b) (Video)
56. [Lecture 57 : Raman Amplification (Cont)](https://invisiblenetwork.ai/learn/nptel/115105105/f782d1d73171) (Video)
57. [Lecture 58 : Linear pulse propagation](https://invisiblenetwork.ai/learn/nptel/115105105/06ff97595dc6) (Video)
58. [Lecture 59 : Nonlinear Pulse propagation](https://invisiblenetwork.ai/learn/nptel/115105105/0b316ba22ab9) (Video)
59. [Lecture 60 : Optical Soliton](https://invisiblenetwork.ai/learn/nptel/115105105/4b47d89fd996) (Video)