Scientists have captured the moment a laser "comes to life"—and what they found challenges long-held beliefs. Using a special ...

In this paper we present a technique allowing to identify harmonic transponders. The approach relies on the evolution of the backscattered power at a given harmonic frequency as a function of the ...

Improving frequency stability and enhance of the frequency tunability by using self-injection locking by delayed reflection is studied. Theoretical analysis, numerical calculations and experimental ...