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20232026
most citedMultifold enhancement of quantum SNR by using an EMCCD as a photon number resolving device

11 citations · 23 across the 8 of their papers we have counts for

collaborators

8 papers

physics.optics2026

Efficient imaging of quantum emitters using compressive sensing

Sonali Gupta, Kiran Bajar, Alexander McFarland +3

Optical imaging of quantum emitters is essential for a wide range of quantum applications. Conventional confocal imaging relies on point-by-point raster scanning, which is inherent…

quant-ph2025

Generation and certification of pure phase entangled light

Rounak Chatterjee, Mayuresh Kanagal, Vikas S Bhat +2

Biphoton systems exhibiting entanglement in position-momentum variables, known as spatial entanglement, are among the most intriguing and well-studied phenomena in quantum optics.…

quant-ph2025★ 3 cited

Tracking phase entanglement during propagation of downconverted photons

Rounak Chatterjee, Vikas S Bhat, Kiran Bajar +1

High-dimensional entanglement in the form of transverse spatial correlation between a pair of photons generated via spontaneous parametric downconversion is not only a valuable res…

quant-ph2025

Optimizing the qudit dimensions of position-momentum entangled photons for QKD

Vikas S Bhat, Rounak Chatterjee, Kiran Bajar +1

We propose an optimization scheme to maximize the secure key rate of a high-dimensional variant of BBM92. We use the position-momentum conjugate bases to encode the higher dimensio…

quant-ph2025

Rapid and efficient wavefront correction for spatially entangled photons using symmetrized optimization

Kiran Bajar, Ronen Shekel, Vikas S. Bhat +3

Spatial entanglement is a key resource in quantum technologies, enabling applications in quantum communication, imaging, and computation. However, propagation through complex media…

quant-ph2024★ 9 cited

Partial-immunity of two-photon correlation against wavefront distortion for spatially entangled photons

Kiran Bajar, Rounak Chatterjee, Vikas S. Bhat +1

High-dimensional quantum entanglement in photons offers notable technological advancements over traditional qubit-based systems, including increased information density and enhance…

quant-ph2024

Controlling the degree of entanglement in downconversion by targeted birth zone activation

Vikas S Bhat, Rounak Chatterjee, Kiran Bajar +1

We explore the consequences of varying the pump beam waist that illuminates a nonlinear crystal, realizing spontaneous parametric down-conversion (SPDC). The coherence is transferr…

quant-ph2023★ 11 cited

Multifold enhancement of quantum SNR by using an EMCCD as a photon number resolving device

Rounak Chatterjee, Vikas Bhat, Kiran Bajar +1

The Electron Multiplying Charge Coupled Devices (EMCCD), owing to their high quantum efficiency and spatial resolution, are widely used to study typical quantum optical phenomena a…