Does slowing light with a BEC change any of its properties?

[AamsterC2]

So I understand that scientists have been able to slow light to extremely low speeds using Bose-Einstein Condensates and even without them (https://physics.aps.org/story/v3/st37) and if I understand this correctly they slow light the same way water or air does; atoms absorb the photons and re-emit them which makes it take longer for the light to travel through the substance. My question is, does this process change the frequency or wavelength of the light while it is moving through, or after it has fully passed through the BEC? My assumption is that being slowed to such a degree in the condensate would possibly change some of the lights properties temporarily or that some amount of energy is lost to the substance as heat which would change the wavelength of the light

 

[ZapperZ]

Read this from 10 years ago:

https://www.photonics.com/Article.aspx?AID=28520

Zz.

 

[AamsterC2]

Read this from 10 years ago:

https://www.photonics.com/Article.aspx?AID=28520

Zz.

That just gives me a runtime error both on internet explorer and google chrome. Is the link correct?

 

[ZapperZ]

That just gives me a runtime error both on internet explorer and google chrome. Is the link correct?

It works for me!

Zz.

 

[atyy]

Zz's link works on Firefox for me too.

 

[AamsterC2]

It works for me!

Zz.

Ok, it worked this time (not sure why it didn't at first). That article is absolutely amazing, I mean my mind is being blown right now whoa. And although the topic was slightly different I'm guessing from that the wavelength and frequency of the light when it comes out is the same as when it went it, the light itself is just a little weaker (unless that is only caused when the light is stored in the crystal)