Introduction to Photonics | EveryEng

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Self-paced Advanced

Introduction to Photonics

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2123 min

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English

Engineering AcademyLearn Without Limits: Free Engineering Courses

Electrical Engineering

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Why enroll

Participants join this course to gain a clear and structured introduction to photonics, a rapidly growing field with applications in communications, healthcare, sensing, and computing. The course helps students develop problem-formulation and analytical skills essential for higher-level photonics courses and research. It is ideal for undergraduate students and early-stage learners who want to build a strong base for advanced studies, interdisciplinary work, and careers in optics, photonics, and related high-technology industries.

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Is this course for you?

You should take this if

You work in Automotive
You're a Electrical Engineering professional
You have 3+ years of hands-on experience in this field
You want to build skills in Engineering & Design, Project Management

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Electrical Engineering
You need live interaction with an instructor

Course details

This introductory course in photonics provides a strong foundation for understanding the science and engineering of light and its interaction with matter. It introduces the core principles that underpin modern photonic technologies and prepares learners for advanced subjects such as Lasers, Optical Communications, Optical Sensors, and Photonic Integrated Circuits. The course focuses on building both conceptual clarity and analytical skills, enabling students to understand how light can be generated, guided, controlled, and utilized in practical systems.
Source- (NPTEL Youtube Channel)

Course suitable for

Key topics covered

Learn how light travels and understand the basics of wave optics and electromagnetics
Understand how light interacts with materials through absorption, emission, reflection, and refraction
Get introduced to basic photonic structures like waveguides and optical components
Learn how important properties of light—such as intensity, phase, polarization, and wavelength—can be controlled
Build a strong foundation for advanced topics like lasers and optical communication systems
Gain introductory knowledge useful for optical sensors and integrated photonic devices

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

49 lectures35 hr 23 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Project Management

Research & Developmnet

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Questions and Answers

Q: You're sizing a single‑mode fiber link and you Google: "calculate numerical aperture from core cladding refractive index step index fiber". Core n1 = 1.468, cladding n2 = 1.462 at 1550 nm. What NA should you carry into the link budget?

Q: During lab testing you search: "what hazard remains when laser interlock fails open class 3B photonics lab". The door interlock on a Class 3B laser fails open. The beam path and power are unchanged. What risk is NOT mitigated anymore?

Q: You're troubleshooting and type: "photodiode output saturated no increase with light intensity cause". A silicon photodiode shows flat output current despite increasing optical power. Dark current is normal. What's the most likely root cause?

Q: Final day of test, clock’s ticking. You Google: "calculate diffraction limited spot size airy disk formula". A 632.8 nm He‑Ne laser is focused with an f/4 optic. What's the Airy disk diameter you should expect on the target?