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Conference Paper
The role of state preparation in time-bin entangled photon pair generation for quantum communication
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- Authors
- Jinwoo Kim, Jiho Park, Hong-seok Kim, Guhwan Kim, Tetiana V. Slusar, Jintae Kim, Jaegyu Park, Kiwon Moon, Jung Jin Ju
- Issue Date
- 2024-01
- Citation
- SPIE Quantum West 2024 (SPIE 129111), pp.1-5
- Language
- English
- Type
- Conference Paper
- Abstract
- Time-bin entangled photons have previously been utilized for advanced quantum communication protocols such as quantum state teleportation or entanglement swapping, thus showing the potential of realizing a quantum internet. For such protocols, intricate feedback systems are essential to preserve quantum information during distribution, and require different forms of state preparation that can incorporate the feedback in quantum state generation. We use different methods of state preparation via arbitrary waveform generators and PLC Mach-Zehnder type interferometers, and entangle the states by SPDC using commercial lithium niobate waveguides to create time-bin entangled photon pairs. Quantum state tomography is conducted on each method to evaluate their effectiveness in generating states suitable for quantum communication protocols.
- KSP Keywords
- Arbitrary waveform, Communication time, Different forms, Different methods, Entangled photon pair, Entanglement swapping, Lithium niobate(LN), Lithium niobate waveguides, Mach-Zehnder(MZ), Quantum Information, Quantum internet