Re: Cisco HFR

[Henry Linneweh <hrlinneweh () sbcglobal net>]

I'm curious here, don't photons cause a lot of
reflective jitter because of their large size ??

-henry

--- Mikael Abrahamsson <swmike () swm pp se> wrote:
> On Tue, 25 May 2004, Peter Lothberg wrote:
>
> > You can run the same distance as you do with your
> 10G system. 
> > It;s mostly driven by dispersion, crosstalk and
> snr if you have many
> > amps. Milage varies with span design, but is not
> much different than
> > 10G (as the symbol speed is till 10G).
>
> Ah, so it's actually 4 different wavelengths within
> the ITU-grid 
> alottment of one single 10G wave?
>  
> > > Can 10G optical amplifiers be used?
> >
> > Yepp..
>
> How does the fact that you need to amplify four
> times the photons in the 
> same wavelength space affect things? Just needs to
> be taken into 
> consideration when calculating the amount/number of 
> amplification/amplifiers?
>
> Is this something in production or alpha/beta test
> with the DWDM 
> manufacturer?
>
> -- 
> Mikael Abrahamsson    email: swmike () swm pp se