🚀 go-pugleaf

In article <1992Oct13.142639.1@zodiac.rutgers.edu> leichter@zodiac.rutgers.edu writes:
>In article <1992Oct13.061724.25758@netcom.com>, rcain@netcom.com (Robert Cain)
>writes:
>| 
>Why?  How do you think Alice sends the photons to Bob in the first place?
>Do you think they can only be propagated in a vacuum, with no mirrors,
>lenses, or other objects in the way?  If so, this is hardly a very useful
>system.
>
>You should be able to transmit these photons through a fiber (which
>contains them by total internal reflection) without losing the important
>information.  The fiber can be wrapped into a ring; you need an optical
>switch to get it into the ring at the start, and out at the end, but
>such things exist.
>
Fiber transmission is out, (at least currently), because fiber transmission
involves the photon reflecting off the insides of the fiber many times   
during its trip, and each time it does this it could change its polarization.
The Discover article mentioned this.

.sigs .sigs, we don't need no stinking .sigs!