[time-nuts] optically pumped frequency standards

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Jan 14 18:24:14 UTC 2011

ehydra wrote:
> Hi!
> By modulating the laser diode current you can modulate the diode 
> temperature. And that changes the wavelength.
> - Henry
At 3.4GHz??
Modulation at 3.4 GHz required by an Rb standard so that the frequency 
difference between the 2 first order sidebands is 6.8GHz.

Actually all you need to do is phase modulate the output.


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