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Re: Cisco HFR
- From: Henry Linneweh
- Date: Thu May 27 17:24:10 2004
I'm curious here, don't photons cause a lot of
reflective jitter because of their large size ??
--- Mikael Abrahamsson <firstname.lastname@example.org> 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
> Is this something in production or alpha/beta test
> with the DWDM
> Mikael Abrahamsson email: email@example.com