# Physics of Linear And Nonlinear Optical Waveguides

- Institution: IIT Kharagpur
- Department: Physics
- Teacher: Prof. Samudra Roy
- Level: Undergraduate
- Language: English
- Subjects: Physics
- Source: [NPTEL](https://nptel.ac.in/courses/115105124)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/115105124)
- 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: Wave Equation, Maxwell's equation, Plane wave](https://invisiblenetwork.ai/learn/nptel/115105124/38d20283f235) (Video)
2. [Lecture 02: EM wave in vacuum, Poynting vector, Maxwell's equation in Dielectric Medium](https://invisiblenetwork.ai/learn/nptel/115105124/c0ce99bf0fb5) (Video)
3. [Lecture 03: Poynting Vector, Maxwell's equation in dielectric medium ( Cont.)](https://invisiblenetwork.ai/learn/nptel/115105124/e6740d1f0524) (Video)
4. [Lecture 04: Total Internal reflection, Evanescent wave](https://invisiblenetwork.ai/learn/nptel/115105124/55e18cef7010) (Video)
5. [Lecture 05: Step-index fiber (SIF), Light guidance in SIF](https://invisiblenetwork.ai/learn/nptel/115105124/78fe0c6fe255) (Video)
6. [Lecture 06: Light guidance in SIF (Skew Ray), V-Parameter, Discrete Ray](https://invisiblenetwork.ai/learn/nptel/115105124/17b56e3cd6b0) (Video)
7. [Lecture 07: Cutoff wavelength, Fiber characteristics](https://invisiblenetwork.ai/learn/nptel/115105124/f7efea9eee7c) (Video)
8. [Lecture 08: Fiber Loss, dB units, Dispersion](https://invisiblenetwork.ai/learn/nptel/115105124/0a22eb190c08) (Video)
9. [Lecture 09: Dispersion, Ray Path constant](https://invisiblenetwork.ai/learn/nptel/115105124/3eed3312473f) (Video)
10. [Lecture 10: Ray path constant, Ray equation](https://invisiblenetwork.ai/learn/nptel/115105124/b53612f424d2) (Video)
11. [Lecture 11: Ray equation (cont.)](https://invisiblenetwork.ai/learn/nptel/115105124/b33980f4cda4) (Video)
12. [Lecture 12: Ray transit time](https://invisiblenetwork.ai/learn/nptel/115105124/ceef684457fa) (Video)
13. [Lecture 13: Ray transit time (Cont.)](https://invisiblenetwork.ai/learn/nptel/115105124/3405b788b6cf) (Video)
14. [Lecture 14: Material dispersion](https://invisiblenetwork.ai/learn/nptel/115105124/3b2162e9d17b) (Video)
15. [Lecture 15: Material dispersion (Cont.)](https://invisiblenetwork.ai/learn/nptel/115105124/3e885bf1ffd9) (Video)
16. [Lecture 16: Material Dispersion (Contd.), Dispersion Coefficient](https://invisiblenetwork.ai/learn/nptel/115105124/d18f9ec358b1) (Video)
17. [Lecture 17: Pulse Broadening](https://invisiblenetwork.ai/learn/nptel/115105124/4205c7c6e518) (Video)
18. [Lecture 18: Pulse Propagation in Dispersive Medium](https://invisiblenetwork.ai/learn/nptel/115105124/ef6e0a102bab) (Video)
19. [Lecture 19: Pulse Propagation in Dispersive Medium (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/32f9c030bd43) (Video)
20. [Lecture 20: Concept of Modes](https://invisiblenetwork.ai/learn/nptel/115105124/84d56e0d3e13) (Video)
21. [Lecture 21: TE and TM Modes](https://invisiblenetwork.ai/learn/nptel/115105124/684afa48ed88) (Video)
22. [Lecture 22: TE and TM Modes (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/e3468a1d81ab) (Video)
23. [Lecture 23: Modes in Slab waveguide](https://invisiblenetwork.ai/learn/nptel/115105124/834bbe3c2b3b) (Video)
24. [Lecture 24: Modes in Slab waveguide (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/3e271ba6d464) (Video)
25. [Lecture 25: Modes in Slab waveguide (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/909dc8ae1118) (Video)
26. [Lecture 26: Modes in Slab Waveguide (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/ab4717f6b588) (Video)
27. [Lecture 27: Waveguide Dispersion](https://invisiblenetwork.ai/learn/nptel/115105124/b1ebaf10ad44) (Video)
28. [Lecture 28: Physical Understanding of Modes](https://invisiblenetwork.ai/learn/nptel/115105124/6b99ca0da23e) (Video)
29. [Lecture 29: Power Associated with a Modes](https://invisiblenetwork.ai/learn/nptel/115105124/34a2b1472a13) (Video)
30. [Lecture 30: Modes in an Optical Fiber](https://invisiblenetwork.ai/learn/nptel/115105124/f0856a25ed80) (Video)
31. [Lecture 31: Modes in an optical fiber (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/d703b9e918a2) (Video)
32. [Lecture 32: Modes in an optical fiber (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/801e9bba7004) (Video)
33. [Lecture 33: LPlm mode structure](https://invisiblenetwork.ai/learn/nptel/115105124/898fc05207b6) (Video)
34. [Lecture 34: Optical fiber mode morphology (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/86215881cec1) (Video)
35. [Lecture 35: Effective area of mode, Fiber optics components](https://invisiblenetwork.ai/learn/nptel/115105124/c30266d56411) (Video)
36. [Lecture 36: Directional Coupler](https://invisiblenetwork.ai/learn/nptel/115105124/869b4202cc7c) (Video)
37. [Lecture 37: Coupled Mode Theory](https://invisiblenetwork.ai/learn/nptel/115105124/055f3ec29243) (Video)
38. [Lecture 38: Coupled Mode Theory (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/efddea260b6b) (Video)
39. [Lecture 39: 3 dB power splitter](https://invisiblenetwork.ai/learn/nptel/115105124/2731f853cf37) (Video)
40. [Lecture 40: Working principle of WDM coupler](https://invisiblenetwork.ai/learn/nptel/115105124/dc0c98434b68) (Video)
41. [Lecture 41: Fiber Bragg Grating](https://invisiblenetwork.ai/learn/nptel/115105124/3b0a0b4c46b4) (Video)
42. [Lecture 42: Fiber Bragg Grating (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/eafe7191890b) (Video)
43. [Lecture 43: Reflectivity Calculation](https://invisiblenetwork.ai/learn/nptel/115105124/578e29439698) (Video)
44. [Lecture 44: Reflectivity Calculation (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/a68d02b3b594) (Video)
45. [Lecture 45: Reflectivity calculation of FBG (Cont)](https://invisiblenetwork.ai/learn/nptel/115105124/fc6abfb5b696) (Video)
46. [Lecture 46: Reflectivity calculation of FBG (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/5eecd73a0c2d) (Video)
47. [Lecture 47: Reflectivity calculation of FBG (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/78bfbd8c5930) (Video)
48. [Lecture 48: Bandwidth of reflectivity](https://invisiblenetwork.ai/learn/nptel/115105124/e6cee02b66c1) (Video)
49. [Lecture 49: Basic nonlinear optics](https://invisiblenetwork.ai/learn/nptel/115105124/78898b25c6d9) (Video)
50. [Lecture 50: Frequency mixing, Optical Kerr effect](https://invisiblenetwork.ai/learn/nptel/115105124/3e6e7908f0df) (Video)
51. [Lecture 51: Optical Kerr effect (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/3f80858dd0e4) (Video)
52. [Lecture 52: Self Phase Modulation](https://invisiblenetwork.ai/learn/nptel/115105124/31346f2ef3bd) (Video)
53. [Lecture 53: Self Phase Modulation (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/2517d8e8204f) (Video)
54. [Lecture 54: Self Phase Modulation (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/6a754ca33157) (Video)
55. [Lecture 55: Pulse propagation in nonlinear waveguide](https://invisiblenetwork.ai/learn/nptel/115105124/d1c94a95be34) (Video)
56. [Lecture 56: Pulse propagation in nonlinear waveguide (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/7dd40c9f98fe) (Video)
57. [Lecture 57: Pulse propagation in nonlinear dispersive waveguide](https://invisiblenetwork.ai/learn/nptel/115105124/79859a60782f) (Video)
58. [Lecture 58: "Pulse propagation in nonlinear dispersive waveguide (Cont) "](https://invisiblenetwork.ai/learn/nptel/115105124/787aca2b4769) (Video)
59. [Lecture 59: Concept of optical soliton](https://invisiblenetwork.ai/learn/nptel/115105124/f21c49c44f29) (Video)
60. [Lecture 60: Concept of optical soliton (Contd.)](https://invisiblenetwork.ai/learn/nptel/115105124/e9a6fd51b80f) (Video)
61. [Live Session 12-03-2021](https://invisiblenetwork.ai/learn/nptel/115105124/38d20283f235-2) (Video)
62. [Live Session 30-03-2021](https://invisiblenetwork.ai/learn/nptel/115105124/c0ce99bf0fb5-2) (Video)
63. [Live Session 12-04-2021](https://invisiblenetwork.ai/learn/nptel/115105124/e6740d1f0524-2) (Video)