Introduction to Photonics¶

Course Overview¶

• Institution: IIT Madras / NPTEL
• Course code: 108106135
• Track: Optics, Optoelectronics, and Photonics
• Tier: S
• Role: Mainline
• Level: Not standardized by provider (use prerequisites)
• Last reviewed: 2026-07-28

IIT Madras / NPTEL's Introduction to Photonics builds a photonics spine through videos, solved assignments, and demonstrations, with current assessment access potentially depending on enrollment.

Why choose this course

Mainline course. A particularly complete and well-structured option for this track. Review note: S/A

Before you start

• Recommended foundation: Electromagnetic Fields and Waves
• Recommended foundation: Semiconductor Devices
• Recommended foundation: Physics Foundations

Verifiable learning outcomes

• Explain the core models in Optics, Optoelectronics, and Photonics, including their assumptions and limits
• Solve representative derivations and problems, checking units, limiting cases, or numerical results
• Complete a reproducible experiment or implementation with raw data, parameters, versions, and verification

Workload and pacing

13 weeks at 9 hours/week. This maintainer planning estimate is derived from course role and the density of public practice and labs; it is not a provider workload promise. Pilot two weeks while logging instruction, practice, lab, and review time, then adjust the remaining plan when actual effort differs by more than 25%.

Safety level

Simulation only. The default practice scope is software, computation, or simulation only; a lab label in the resource inventory does not authorize connecting physical equipment, and any hardware extension requires provider-scope verification and a new risk assessment.

Course Resources¶

Software, hardware, and cost

Software

• Maintainer-suggested open-source/free verification path: MEEP, MPB, Python 3, Jupyter, and ParaView
• The resource inventory does not list public code coverage; the tools above are only a maintainer-suggested independent check, not a provider requirement

Hardware

• The resource inventory lists lab coverage, but this course's maintainer path explicitly limits it to computational or simulation work. It assumes only a general-purpose computer able to run the software above and retain results; do not purchase or connect course-specified sources, optics, detectors, beam containment, and laser safety controls in a compliant optics lab

Cost note

The current maintainer path uses computation and simulation only, with no dedicated hardware purchase, and prefers open-source/free tools. This is not a provider requirement; platform, commercial-software, or cloud-compute costs still vary by provider, region, and plan.

Public resource coverage

Resources and access

“Listed by official page” means the link was discovered on a successfully fetched official source on the verification date; it does not guarantee that every region or account can open the target directly. Access does not grant redistribution rights. Re-check the provider page, target link, and third-party notices before downloading, adapting, or publishing material.

Practice and Verification¶

Practice loop

Introduction to Photonics · IIT Madras / NPTEL 108106135: Waveguide or Imaging-System Parameter Sweep

This is a maintainer-suggested self-study project for Introduction to Photonics · IIT Madras / NPTEL 108106135, not an official course assignment. Simulate a waveguide, resonator, or imaging system for Optics, Optoelectronics, and Photonics and validate mode, loss, or image quality using analytic limits, mesh convergence, and manufacturing tolerances.

Origin: Maintainer-suggested project

Deliverables

• A specification of wavelength, materials, geometry, polarization, boundaries, and target metrics
• Executable optical or electromagnetic model, parameter sweeps, and post-processing sources
• Raw fields, modes or point-spread functions, transmission or loss, and tolerance data
• A report comparing analytic and numeric results and explaining cutoff, dispersion, or aberration failure

Verification

• Keep effective index, focal length, or diffraction scale within 3% of an analytic simple baseline
• Cover near-cutoff, band-edge, material-extreme, and polarization-switch boundaries
• Keep the key metric change below 3% after mesh refinement or a second propagation method
• Inject ±5% geometry variation and report mode loss, resonance shift, or image degradation

Reproducibility

• Commit geometry, material, solver, sweep, and plotting sources
• Pin solver, wavelength grid, material-data version, and convergence parameters
• Preserve raw fields or images, solver logs, material provenance, and the generated report

Safety boundary: Simulation only — Use optical or photonic simulation only; do not use lasers, intense sources, high-voltage drivers, bare fiber ends, or unsupervised optical experiments.

Risks, gaps, and boundaries

Assignments, solutions, and demonstrations are strong, but current assessment access may depend on enrollment.

Completion evidence

• Weekly learning log with time, questions, corrected errors, decisions, next steps, and links to that week's reproducible artifacts
• Theory dossier with explicit assumptions, notation, derivation, units, and boundary conditions, checked by at least one independent method
• Simulation package with model or netlist, inputs, solver and version, parameter-sweep script, benchmark comparison, expected results, and one rerun command