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optical pulse

    0.01 sec.
optical pulse [′äp·tə·kəl ′pəls]
(optics)
A short flash of light, used to isolate moments of time; pulses as short as 15 femtoseconds have been generated with laser and pulse compression techniques.


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The researchers eventually read out the spin with yet another optical pulse.
In previous technologies, the routing usually involves the following steps: detection of an optical signal, an electronic routing decision, electronic triggering of a laser in the appropriate output channel, and generation of a new optical pulse.
What happens on media in which the refractive index can vary with frequency so the group velocities of optical pulses can be much greater or much smaller than the speed of light in vacuum, or in which the refractive index can be negative?
 
 
 
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