Tagged Questions
2
votes
2answers
57 views
Optical trapping problem
Can we make light slower by applying optical trapping (I mean applying laser beam to lower the speed of light)?
5
votes
2answers
240 views
Did anyone claim that quantum theory meant lasers would never work
I've been reading 'How the Hippies saved Physics', which describes a design for a superluminal communication device, of which the crucial part was a laser which duplicated an incoming photon many ...
2
votes
1answer
160 views
Validity of Einstein Coefficient Derivations
Consider a two-level energy gap with electronic energy states $E_1$ & $E_2$ and associated population densities $n_1$ and $n_2$ with $E_2>E_1$.
In the derivation of the Einstein coefficients ...
3
votes
2answers
301 views
The most price-efficient experimental setup involving SPDC, single-photon counting etc
I would like a suggestion on a price-efficient way of experimenting with spontaneous down-conversion and single-photon counting. The simple dual-slit experiment could be one part of an application ...
4
votes
2answers
262 views
What is a good reference for the quantum mechanical description of lasers?
I am currently taking a graduate level class on lasers. The primary focus of the class is on the design and engineering aspects of lasers, e.g. resonator design. However the first portion of the class ...