Absorption in bulk semiconductors. Part 1: electronic excitation — by Guillermo F. Quinteiro on

0 comment

We predict new electronic phenomena in bulk semiconductors excited by twisted light. I will show, in part 1, how the excited state of electr...

Electronic states in semiconductors — by Guillermo F. Quinteiro on

0 comment

We review basic concepts on semiconductors physics that will help us to understand future posts. Detailed accounts can be found in several t...

Research groups — by Guillermo F. Quinteiro on

0 comment

Around 2009 the first articles in twisted-light--solid interaction were published. Since then new groups have become involved in the topic a...

Generating twisted light — by Guillermo F. Quinteiro on

0 comment

One of my first thoughts about twisted light was "It must be very difficult to generate twisted light in the lab!". Talking to oth...

Neglecting the linear momentum of photons — by Guillermo F. Quinteiro on

0 comment

It is a common practice to neglect the linear moment of photons of conventional (non-twisted) beams in their interaction with matter. Though...

Twisted light, optical vortices, orbital angular momentum ... — by Guillermo F. Quinteiro on

0 comment

Even thought I have been talking so far about "twisted light", there are other common ways to refer to this type of fields. Since ...

Twisted light, a growing field — by Guillermo F. Quinteiro on

0 comment

In the 90s it was shown that light carrying orbital angular momentum, that is twisted light , can be produced at will in the lab using conve...

An introduction to twisted light — by Guillermo F. Quinteiro on

0 comment

Twisted light is light carrying orbital angular momentum. At first sight, the idea of light carrying orbital angular momentum sounds intrigu...

The blog — by Guillermo F. Quinteiro on

0 comment

I welcome you to my blog on the physics of the interaction of solids and twisted light (or light carrying orbital angular momentum), hoping ...