Time-frequency domain analogues of phase space sub-planck structures.
We present experimental data of the frequency-resolved optical gating measurements of light pulses revealing interference features which correspond to sub-Planck structures in phase space. For superpositions of pulses, a small, sub-Fourier shift in the carrier frequency leads to a state orthogonal to the initial one, although in the representation of standard time-frequency distributions these states seem to have a nonvanishing overlap.
Praxmeyer
Ludmiła
L
Theoretical Physics Division, Sofia University, James Bourchier 5 Boulevard, 1164 Sofia, Bulgaria.
Wasylczyk
Piotr
P
Radzewicz
Czesław
C
Wódkiewicz
Krzysztof
K