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19 July 2022 Single photon detection within rectangular waveguides and waveguide devices
Ishwar S. Kaushik, Aravinth Balaji Ravichandran, Srinivas Talabattula
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Proceedings Volume 12243, Photonics for Quantum 2022; 1224308 (2022) https://doi.org/10.1117/12.2634860
Event: Photonics for Quantum, 2022, Rochester, NY, United States
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Abstract
We analyse the behaviour of single photon states within rectangular waveguides. The fields were solved for using normal modes of rectangular waveguides. The system is taken to be coupled to a cavity-atom system and the coupling between the cavity and waveguide was analysed to compute a coupling frequency. The single mode approximation was used assuming a Jaynes-Cummings form for the Hamiltonian to arrive at field operator expressions. These were used along with photodetection theory to compute the output detection probabilities for single photon states in the dominant mode. Finally, the single photon state was analysed within an MZI and a directional coupler. Y splitters and combiners were assumed to have 50% power division. Our results suggest that for single photon states, there is little to no deviation from the classical case in terms of input and output.
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Ishwar S. Kaushik, Aravinth Balaji Ravichandran, and Srinivas Talabattula "Single photon detection within rectangular waveguides and waveguide devices", Proc. SPIE 12243, Photonics for Quantum 2022, 1224308 (19 July 2022); https://doi.org/10.1117/12.2634860
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KEYWORDS
Waveguides
Single photon
Directional couplers
Photons
Waveguide modes
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