Generating set of continuous-variable multi-component polarized entangled optical field
A multi-component, entangled light technology, applied in optics, nonlinear optics, instruments, etc.
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Embodiment 1
[0026] Embodiment 1. A device for generating a continuous variable three-component GHZ-like polarization-entangled light field.
[0027] Such as figure 1 The device for generating a continuous variable three-component GHZ-like polarization-entangled light field includes a Ti:sapphire laser 1, a second harmonic generator 2, three optical parametric amplifiers 31, 32, 33, an interference system 4 and three Set of Stokes measuring systems 5.
[0028] The interferometric system 4, such as figure 2 As shown, an interference system consisting of a 1:1 optical beam splitter (BS), a 1:2 optical beam splitter (BS) and three polarizing beam splitters (PBS), the orthogonal amplitude compressed light field a 2 and the orthogonal phase light field a 3 Through the 1:2 optical beam splitter interference, and control their relative phase difference to 0, one beam of the interference light field passes through the 1:1 optical beam splitter and the orthogonal amplitude compression light fie...
Embodiment 2
[0038] Embodiment 2. Continuous variable four-component GHZ type or Cluster type polarization entangled light field generation device.
[0039] Such as Figure 4 A continuous variable four-component GHZ-like polarization-entangled optical field generation device is shown, including Ti:Sapphire laser 1, second harmonic generator 2, four optical parametric amplifiers, interference system 4 and four sets of Stokes Measurement system5.
[0040] The interferometric system 4, such as Figure 5 As shown, the interference system composed of three 1:1 optical beam splitters (BS) and four polarizing beam splitters (PBS), the orthogonal amplitude compressed light field a 2 and a 3 Through the 1:1 optical beam splitter interference, and control their relative phase difference to be Pi / 2, one beam of the interference light field passes through the 1:1 optical beam splitter and the orthogonal phase compression light field a 1 Interference, and control their relative phase difference to ...
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