INTEGRATED OPTICS LOGIC GATE FOR POLARIZATION-ENCODED QUANTUM QUBITS AND A METHOD FOR THE PRODUCTION AND USE THEREOF
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Issued Date -
May 8, 2014
app pub date -
May 3, 2012
filing date -
May 5, 2011
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Abandoned
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Abstract
A quantum logic gate for qubits, suitable for receiving as inputs at least two polarization-encoded qubits, includes at least one partially polarizing beam splitter (PPBS), the beam splitter comprising a first waveguide and a second waveguide which are constructed in integrated optics, the first and second waveguides having a refractive index contrast of between 0.1% and 6% and a birefringence of between 10−6 and 6*10−5.
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