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quant-ph2026
A projection-free approach toward mapping the structured polarization fields
Sandeep Singh, G. K. Samanta
We present a projection-free method for mapping two-dimensional polarization distributions using Hong-Ou -Mandel (HOM) interference. Conventional polarization characterization tech…
quant-ph2026
Quantum sensing through bosonic-fermionic Bell-state transitions in two-photon interference
Chahat Kaushik, Vimlesh Kumar, G. K. Samanta
Hong-Ou-Mandel (HOM) interference has become a central resource for quantum sensing and metrology owing to its sensitivity to temporal delay and photon indistinguishability. Howeve…
quant-ph2026
Geometric phase-assisted simple phase compensation enabling quantum key distribution using phase-shifted Bell states
Ayan Kumar Nai, G. K. Samanta
Entanglement-based quantum key distribution (QKD) relies on the distribution of high-fidelity maximally entangled Bell states, typically generated via spontaneous parametric down-c…