Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
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L(f) dBc/Hz<br />
-40<br />
-60<br />
-80<br />
-100<br />
-120<br />
-140<br />
-160<br />
10 0<br />
Low phase-noise microwaves, 10 GHz<br />
atoms<br />
Cavity kT<br />
State of the art sapphire oscillator<br />
10 1<br />
10 2<br />
Optical Frequency<br />
Divider<br />
10 3<br />
Frequency (Hz)<br />
Opt. Divider Data from Hollberg et al. proceeds IEEE MWP meeting Oct. 04<br />
J. McFerran et al. Elect. Letter 2005<br />
Hg+ optical cavity<br />
State of the art microwave synthesizer<br />
10 4<br />
Photo detected shot-noise<br />
10 5<br />
10 6
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