I think this cannot be a short paragraph. I have many things to share. Hence, I created a separate page on 'Academic Counseling'.
Bad teachers are criminals - If I may paraphrase Professor Walter Lewin!
Light in tiny space creates variety of non-intuitive phenomenon. During my doctoral studies in Goettingen, every year I used to give a course (designed by me) to PhD students where I discussed these beautiful effects.
A latest outline of the course: Optics in micrometre scale and nanometre scale.
Nanochannel: An electron-beam lithography and reactive ion etching generated structure.
Source: Single-molecule confinement with uniform electrodynamic nanofluidics