| Efficient and spectrally bright source of polarization-entangled photons (2004) | |||||||||
Abstract | |||||||||
| We demonstrate an efficient fiber-coupled source of nondegenerate polarization entangled photons at 795 and 1609 nm using bidirectionally pumped parametric down-conversion in bulk periodically poled lithium niobate. The single-mode source has an inferred bandwidth of 50 GHz and a spectral brightness of 300 pairs/s/GHz/mW of pump power that is suitable for narrowband applications such as entanglement transfer from photonic to atomic qubits.. Comment: 8 pages, 7 figures, submitted to Phys. Rev. A | |||||||||
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