# Optical communications

- Institution: IIT Kanpur
- Department: Electronics & Communication Engineering
- Teacher: Prof. Pradeep Kumar K
- Level: Undergraduate
- Language: English
- Subjects: Engineering, Society and politics
- Source: [NPTEL](https://nptel.ac.in/courses/117104127)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/117104127)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Overview of Fiber-optic communications](https://invisiblenetwork.ai/learn/nptel/117104127/31a70a91a2ec) (Video)
2. [Optical Transmitter-I](https://invisiblenetwork.ai/learn/nptel/117104127/408fb405a6f6) (Video)
3. [Optical Transmitter-I(continued)](https://invisiblenetwork.ai/learn/nptel/117104127/99f14a88fdd5) (Video)
4. [Optical Transmitter-II](https://invisiblenetwork.ai/learn/nptel/117104127/7d2f95fe6ab5) (Video)
5. [Optical Transmitter-II(continued)](https://invisiblenetwork.ai/learn/nptel/117104127/91bf82a25c13) (Video)
6. [Intensity modulation](https://invisiblenetwork.ai/learn/nptel/117104127/a14864915273) (Video)
7. [Review of Signals and Representations -I](https://invisiblenetwork.ai/learn/nptel/117104127/33c414d4f70b) (Video)
8. [Review of Signals and Representations -II](https://invisiblenetwork.ai/learn/nptel/117104127/5622053b288c) (Video)
9. [Digital Modulation-I](https://invisiblenetwork.ai/learn/nptel/117104127/8169e4591937) (Video)
10. [Review of Signals and Representations -III](https://invisiblenetwork.ai/learn/nptel/117104127/267d8122bd55) (Video)
11. [Review of Signals and Representations -IV](https://invisiblenetwork.ai/learn/nptel/117104127/c6a589bd4b38) (Video)
12. [Digital Modulation-II](https://invisiblenetwork.ai/learn/nptel/117104127/64996f7ef46b) (Video)
13. [Digital Modulation-II (contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/3e2fb2bb5287) (Video)
14. [Digital Modulation-III](https://invisiblenetwork.ai/learn/nptel/117104127/b910972e4c6d) (Video)
15. [Optical receivers-I](https://invisiblenetwork.ai/learn/nptel/117104127/24a7f5cc7c49) (Video)
16. [Optical receivers-II](https://invisiblenetwork.ai/learn/nptel/117104127/cd1738928e26) (Video)
17. [Optical Modulator: Physical Structure](https://invisiblenetwork.ai/learn/nptel/117104127/789a73c38d38) (Video)
18. [Propagation of Electromagnetic wave](https://invisiblenetwork.ai/learn/nptel/117104127/c7e58b5b8603) (Video)
19. [Review of EM Theory](https://invisiblenetwork.ai/learn/nptel/117104127/6961096b98e3) (Video)
20. [Reflection of Waves](https://invisiblenetwork.ai/learn/nptel/117104127/ca4730cd4679) (Video)
21. [Optical fiber-I](https://invisiblenetwork.ai/learn/nptel/117104127/831a4f2b67fb) (Video)
22. [Optical fiber-II](https://invisiblenetwork.ai/learn/nptel/117104127/1a4a914aaf00) (Video)
23. [Modes in Optical fiber-I](https://invisiblenetwork.ai/learn/nptel/117104127/dd918d90a87a) (Video)
24. [Modes in Optical fiber-I(contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/92d18beb29b0) (Video)
25. [Modes in Optical fiber-II](https://invisiblenetwork.ai/learn/nptel/117104127/9d3f37495478) (Video)
26. [Dispersion in Fibers](https://invisiblenetwork.ai/learn/nptel/117104127/d4b599bc1004) (Video)
27. [Dispersion in Fibers(Contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/c2227a3306eb) (Video)
28. [Wrapping up fiber parameters](https://invisiblenetwork.ai/learn/nptel/117104127/926442ec49ea) (Video)
29. [System Design-I](https://invisiblenetwork.ai/learn/nptel/117104127/69b13948620b) (Video)
30. [Passive WDM components-I](https://invisiblenetwork.ai/learn/nptel/117104127/c823740151b4) (Video)
31. [Passive WDM components-II](https://invisiblenetwork.ai/learn/nptel/117104127/0cbe40ae2ca6) (Video)
32. [Detection of light](https://invisiblenetwork.ai/learn/nptel/117104127/3a1ab9c9b7e2) (Video)
33. [Detection of light(contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/7f048314ebb0) (Video)
34. [Response time & Noise in Detectors](https://invisiblenetwork.ai/learn/nptel/117104127/540071b4d5da) (Video)
35. [Noise in photodiodes-I Edit Lesson](https://invisiblenetwork.ai/learn/nptel/117104127/b3374df7a8c0) (Video)
36. [Noise in photodiodes-II](https://invisiblenetwork.ai/learn/nptel/117104127/ab3e24492188) (Video)
37. [Light sources-I](https://invisiblenetwork.ai/learn/nptel/117104127/d2a5633c051a) (Video)
38. [Light sources-II Edit Lesson](https://invisiblenetwork.ai/learn/nptel/117104127/d6d2ed1ad6e9) (Video)
39. [Semiconductor laser diodes](https://invisiblenetwork.ai/learn/nptel/117104127/d48c466f166c) (Video)
40. [Optical communication:-Pulse shape & BW](https://invisiblenetwork.ai/learn/nptel/117104127/cf0eac87e660) (Video)
41. [Power spectral density](https://invisiblenetwork.ai/learn/nptel/117104127/dc809887d8b4) (Video)
42. [Power spectral density(contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/090d57bba8c9) (Video)
43. [Advantage of coherent receiver](https://invisiblenetwork.ai/learn/nptel/117104127/2ee0e8a0c254) (Video)
44. [Dispersion induced limitations](https://invisiblenetwork.ai/learn/nptel/117104127/96029b388ec3) (Video)
45. [Optical amplifiers-I](https://invisiblenetwork.ai/learn/nptel/117104127/7be9e63a5680) (Video)
46. [Optical amplifiers-II](https://invisiblenetwork.ai/learn/nptel/117104127/18ddd5bc2b4c) (Video)
47. [Noise in optical amplifiers](https://invisiblenetwork.ai/learn/nptel/117104127/db9438bd5b1b) (Video)
48. [Noise in optical amplifiers (contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/1c4d854a4c88) (Video)
49. [ASE induced limitations](https://invisiblenetwork.ai/learn/nptel/117104127/77726812e6e8) (Video)
50. [Determining BER in OOK system](https://invisiblenetwork.ai/learn/nptel/117104127/5125cff7f94e) (Video)
51. [BER determination](https://invisiblenetwork.ai/learn/nptel/117104127/aed78dbaff20) (Video)
52. [Eye diagram & Higher modulation techniques Edit Lesson](https://invisiblenetwork.ai/learn/nptel/117104127/3a43ce89ca9f) (Video)
53. [Higher modulation techniques (contd.)](https://invisiblenetwork.ai/learn/nptel/117104127/992477f65a82) (Video)
54. [Optical OFDM](https://invisiblenetwork.ai/learn/nptel/117104127/646c8946822b) (Video)