Reference : Non-classical states of light with smooth ­ŁĹâ-function
Scientific congresses and symposiums : Unpublished conference/Abstract
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/222958
Non-classical states of light with smooth ­ŁĹâ-function
English
Damanet, Fran├žois [Universit├ę de Li├Ęge - ULi├Ęge > D├ępartement de physique > Optique quantique >]
K├╝bler, Jonas [Institut f├╝r theoretische Physik, Universit├Ąt T├╝bingen, Auf der Morgenstelle 14, 72076 T├╝bingen, Germany > > > >]
Martin, John mailto [Universit├ę de Li├Ęge - ULi├Ęge > D├ępartement de physique > Optique quantique >]
Braun, Daniel [Institut f├╝r theoretische Physik, Universit├Ąt T├╝bingen, Auf der Morgenstelle 14, 72076 T├╝bingen, Germany > > > >]
Mar-2018
No
International
82te DPG-Fr├╝hjahrstagung
du 5 au 9 mars 2018
Deutsche Physikalische Gesellschaft e.V.
Erlangen
Germany
[en] In quantum optics, the most fundamental criterion to judge the non- classicality of a quantum state of light is in terms of the Glauber- Sudarshan ­ŁĹâ -function. If the ­ŁĹâ -function of a state is not a valid prob- ability density, e.g. not a positive semi-definite function, the state is considered non-classical. However, most known non-classical states have a corresponding ­ŁĹâ -function which is highly irregular. This renders working with them difficult and direct experimental reconstruction im- possible.
Here we introduce a new class of non-classical states with regular smooth ­ŁĹâ -functions by "puncturing" a classical ­ŁĹâ -function with nar- row negative peaks. We analytically proof their existence and deter- mine parameter ranges where the constructed states are physical, as well as the regimes yielding anti-bunching of light. To conclude, we present some possible experimental realizations of punctured states.
CECI
http://hdl.handle.net/2268/222958

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