Instant single-photon Fock state tomography

Abstract

Heralded single photons are prepared at a rate of ~100 kHz via conditional measurements on polarization-nondegenerate biphotons produced in a periodically poled KTP crystal. The single-photon Fock state is characterized using high frequency pulsed optical homodyne tomography with a fidelity of (57.6 +- 0.1)%. The state preparation and detection rates allowed us to perform on-the-fly alignment of the apparatus based on real-time analysis of the quadrature measurement statistics.

References in corpus (3)

• Multiphoton Quantum Optics and Quantum State Engineering
• Quantum homodyne tomography of a two-photon Fock state
• Tomographic reconstruction of the single-photon Fock state by high-frequency homodyne detection

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