38 citations · 187 across the 15 of their papers we have counts for
15 papers
Experimental generation and characterization of partially spatially coherent qubits
Preeti Sharma, Sakshi Rao, Bhaskar Kanseri
Partially spatially coherent qubits are more immune to turbulent atmospheric conditions than coherent qubits, which makes them excellent candidates for free-space quantum communica…
Cross-spectral purity of nonstationary vector optical fields: A similarity with stationary fields
Rajneesh Joshi, Bhaskar Kanseri
This study establishes a reduction formula for nonstationary cross-spectrally pure vector light fields with any spectral bandwidth. The formation of a reduction formula, analogous…
Measurement of two-point coherence functions of electromagnetic optical fields and applications of optical coherence
Bhaskar Kanseri, Deepa Joshi
For stationary light fields, manifestation of statistical properties such as coherence and polarization are attributed to the same physical phenomena, i.e. correlations in fluctuat…
Coherence-induced Polarization Effects in Vector Vortex Beams
Stuti Joshi, Saba N Khan, Manisha +2
We demonstrate theoretically and experimentally coherence-induced polarization changes in generic and higher-order vector vortex beams with polarization singularity. The prominent…
Degree of polarization of a spectral electromagnetic Gaussian Schell-model beam passing through 2-f and 4-f lens systems
Rajneesh Joshi, Bhaskar Kanseri
Spectral electromagnetic Gaussian Schell-model (SEGSM) beam is a generalization of Gaussian Schell model beam having parameters with spectral dependence, which offers a basic class…
Observation of geometric phase for unpolarized and partially polarized light fields
Bhaskar Kanseri, Rohit Gupta
Geometric phase, owing to its topological nature and properties of fault tolerance, plays an important role in devising real world applications in both classical and quantum domain…
Investigation of longitudinal spatial coherence for electromagnetic optical fields
Bhaskar Kanseri, Gaytri Arya
For light fields, the coherence in longitudinal direction is governed by both the frequency spectra and angular spectra they possess. In this work, we develop and report a theoreti…
Experimental Observation of Invariance of Spectral Degree of Coherence with Change in Bandwidth of Light
Bhaskar Kanseri, Hem Chandra Kandpal
An experimental study is conducted to show the effect of the change in bandwidth of light on the spectral degree of coherence at a pair of points in the cross-section of a beam. Fo…
Experimental observation of polarization coherence theorem
Bhaskar Kanseri, Sethuraj K. R
For light fields, the manifestation of correlations between fluctuating electric field components at different space-time points is referred to as coherence, whereas these correlat…
High production rate of single-photon and two-photon Fock states for quantum state engineering
Martin Bouillard, Guillaume Boucher, Julia Ferrer Ortas +2
We report the implementation of a high-rate source of single and two-photon states. By combining the advantages of short pulses and cavities, heralding rates up to 250kHz with 88%…
Generation of squeezed Schrödinger cat states with an operation allowing iterative growth
Jean Etesse, Martin Bouillard, Bhaskar Kanseri +1
We present what is to our knowledge the first implementation of a Schrödinger cat states "breeding" operation, which allows an iterative growth of these states. We thus report the…
Iterative tailoring of optical quantum states with homodyne measurements
Jean Etesse, Bhaskar Kanseri, Rosa Tualle-Brouri
As they can travel long distances, free space optical quantum states are good candidates for carrying information in quantum information technology protocols. These states, however…
Proposal for a loophole-free violation of Bell inequalities with a set of single photons and homodyne measurements
Jean Etesse, Rémi Blandino, Bhaskar Kanseri +1
We demonstrate that different kind of mesoscopic quantum states of light can be efficiently generated from a simple iterative scheme using homodyne heralding. These states exhibit…
Multi-photon nonclassical correlations in entangled squeezed vacuum states
Bhaskar Kanseri, Timur Iskhakov, Georgy Rytikov +2
Photon-number correlation measurements are performed on bright squeezed vacuum states using a standard Bell-test setup, and quantum correlations are observed for conjugate polariza…
Three-dimensional Quantum Polarization Tomography of Macroscopic Bell States
Bhaskar Kanseri, Timur Iskhakov, Ivan Agafonov +2
The polarization properties of macroscopic Bell states are characterized using three-dimensional quantum polarization tomography. This method utilizes three-dimensional inverse Rad…