Figure 1 | Generation of ultrafast squeezed light pulse synthesized with attosecond resolution. (IMAGE)
Caption
Figure 1 | Generation of ultrafast squeezed light pulse synthesized with attosecond resolution. a, Schematic of the light field synthesizer (LFS) setup, consisting of three spectral channels (pulses) used to generate synthesized waveform pulses. The output pulse is split into two beams: one is a classical coherent light pulse, serving as a reference, while the second beam undergoes a four-wave mixing process (energy diagram is shown in the inset) in a SiO₂ sample to generate a squeezed light pulse. The phase and intensity quadrature uncertainties of both beams are measured using spectrometers 1 and 2. &c, Spectra of the broadband classical light pulse (b) and the spectra of its constituent LFS channels (c). d, Spectrum of the generated squeezed light pulse. e, Spectra of the squeezed light generated by the three LFS pulses. Insets in (c) and (e) show the spectral interference fringes between the LFS channels for both the classical and squeezed light pulses.
Credit
M. Sennary et al.
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CC BY