Quantum Interference of Photon Pairs from Two Trapped Atomic Ions

Abstract

We collect the fluorescence from two trapped atomic ions, and measure quantum interference between photons emitted from the ions. The interference of two photons is a crucial component of schemes to entangle atomic qubits based on a photonic coupling. The ability to preserve the generated entanglement and to repeat the experiment with the same ions is necessary to implement entangling quantum gates between atomic qubits, and allows the implementation of protocols to efficiently scale to larger numbers of atomic qubits.

4 pages, 4 figures

References in corpus (8)

• Scalable multi-particle entanglement of trapped ions
• Quantum interference between two single photons emitted by independently trapped atoms
• Quantum Beat of Two Single Photons
• Experimental interference of independent photons
• Conditional control of the quantum states of remote atomic memories for quantum networking
• Electrodynamically trapped Yb+ ions for quantum information processing
• Probabilistic Quantum Gates between Remote Atoms through Interference of Optical Frequency Qubits
• Quantum interference of electromagnetic fields from remote quantum memories

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