A pulsed source of continuous variable polarization entanglement
arXiv:quant-ph/0302083 · doi:10.1088/1464-4266/5/4/355
Abstract
We have experimentally demonstrated polarization entanglement using continuous variables in an ultra-short pulsed laser system at telecommunication wavelengths. Exploiting the Kerr-nonlinearity of a glass fibre we generated a polarization squeezed pulse with S2 the only non-zero Stokes parameter thus S1 and S3 being the conjugate pair. Polarization entanglement was generated by interference of the polarization squeezed field with a vacuum on a 50:50 beam splitter. The two resultant beams exhibit strong quantum noise correlations in S1 and S3. The sum noise signal of S3 was at the respective shot noise level and the difference noise signal of S1 fell 2.9dB below this value.
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- Spatial state Stokes-operator squeezing and entanglement for optical beams
- Experimental generation of tripartite polarization entangled states of bright optical beams
- Multi-channel quantum noise suppression and phase-sensitive modulation in a hybrid optical resonant cavity system
- Polarization-squeezed light formation in a medium with electronic Kerr nonlinearity
- Simultaneous polarization squeezing in polarized N photon state and diminution on a squeezing operation
- Position-momentum entangled photon pairs in non-linear wave-guides and transmission lines