Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.physics > #519898

Re: Researchers develop ideal single-photon source

Show all headers | View raw

On 09/08/2015 09:11 PM, reber g=emc^2 wrote:
> On Monday, September 7, 2015 at 12:24:07 PM UTC-7, Sam Wormley wrote:
>> Researchers develop ideal single-photon source
>>> http://phys.org/news/2015-09-ideal-single-photon-source.html
>>> http://cdn.phys.org/newman/csz/news/800/2015/141-researchersd.jpg
>>
>>
>>
>>> With the help of a semiconductor quantum dot, physicists at the
>>> University of Basel have developed a new type of light source that
>>> emits single photons. For the first time, the researchers have
>>> managed to create a stream of identical photons. They have reported
>>> their findings in the scientific journal Nature Communications
>>> together with colleagues from the University of Bochum.
>>
>>> A single-photon source never emits two or more photons at the same
>>> time. Single photons are important in the field of quantum
>>> information technology where, for example, they are used in quantum
>>> computers. Alongside the brightness and robustness of the light
>>> source, the indistinguishability of the photons is especially
>>> crucial. In particular, this means that all photons must be the same
>>> color. Creating such a source of identical single photons has proven
>>> very difficult in the past.
>>
>>> However, quantum dots made of semiconductor materials are offering
>>> new hope. A quantum dot is a collection of a few hundred thousand
>>> atoms that can form itself into a semiconductor under certain
>>> conditions. Single electrons can be captured in these quantum dots
>>> and locked into a very small area. An individual photon is emitted
>>> when an engineered quantum state collapses.
>>
>>
>>
>> --
>>
>> sci.physics is an unmoderated newsgroup dedicated
>> to the discussion of physics, news from the physics
>> community, and physics-related social issues.
>
> Sam for 23 years here I have posted no singles.Nature produces in twin pairs only.Its reality.It is shown by slit experiment.It goes with entanglement.Think couplement. TreBert
>
Sammy, think double slit! One photon goes through one hole and the other 
of the pair goes through the other hole! No mystery! Herb is really an 
imperial thinker. Sam, you need to start thinking like Herb!

-- 
         ___           ___           ___            ___
        /\  \         /\  \         /\__\          /\  \
       /::\  \       /::\  \       /::|  |         \:\  \
      /:/\:\  \     /:/\:\  \     /:|:|  |     ___ /::\__\
     /::\~\:\__\   /::\~\:\  \   /:/|:|  |__  /\  /:/\/__/
    /:/\:\ \:|__| /:/\:\ \:\__\ /:/ |:| /\__\ \:\/:/  /
    \:\~\:\/:/  / \:\~\:\ \/__/ \/__|:|/:/  /  \::/  /
     \:\ \::/  /   \:\ \:\__\       |:/:/  /    \/__/
      \:\/:/  /     \:\ \/__/       |::/  /
       \_:/__/       \:\__\         /:/  /
                      \/__/         \/__/

Back to sci.physics | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Researchers develop ideal single-photon source Sam Wormley <swormley1@gmail.com> - 2015-09-07 14:24 -0500
  Re: Researchers develop ideal single-photon source "Lleyton H. Bellucci" <lleyb@stratospheree.org> - 2015-09-07 21:35 +0000
  Re: Researchers develop ideal single-photon source "Y.Porat" <y.y.porat@gmail.com> - 2015-09-07 22:45 -0700
  Re: Researchers develop ideal single-photon source "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-09-08 18:11 -0700
    Re: Researchers develop ideal single-photon source benj <nobody@gmail.com> - 2015-09-08 23:06 -0400
      Re: Researchers develop ideal single-photon source "Y.Porat" <y.y.porat@gmail.com> - 2015-09-08 22:57 -0700
        Re: Researchers develop ideal single-photon source "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-09-10 15:29 -0700
          Re: Researchers develop ideal single-photon source benj <nobody@gmail.com> - 2015-09-11 00:13 -0400
          Re: Researchers develop ideal single-photon source HVAC <Mr.HVAC@gmail.com> - 2015-09-11 08:01 -0400
    Re: Researchers develop ideal single-photon source "hanson" <hanson@quick.net> - 2015-09-09 19:14 -0700

csiph-web