This is a graduate level course on Photonics (with a focus on lasers) and light-matter interaction in nanostructures. Manufacturing processes including lithography are also part of this course.

Notes will keep updating as the course proceeds.

Pre-Midsem practice

Topics

  • Transfer Matrix formalism for ray optics: Refraction by curved surfaces
  • Jones Matrix for polarization: Conversion to right circularly polarized light,Wolfram computation
  • Gaussian beams : Power conversion factor for Amplitude of gaussian beam, spot size
  • Blackbody radiation, Planck’s Law
  • Spontaneous and Stimulated Emission : Einstein coeffs and lifetime relations for atomic spontaneous and stimulated radiation
  • He-Ne laser working
  • Solid State Lasers
  • Laser safety module: Power based classification of laserand laboratory processes
  • Manufacturing Processes : OPC and Phase shifting masks, Top down and bottom up (self arranging)

References:

  • Fundamentals of Photonics by Saleh
  • Principles of electrical engineering materials and devices by S.O.Kasap

Further Reading (beyond the scope of this course):

  • Haug’s Semiconductor optoelectronics ( uses quantum field theory formalism for exciton dynamics)