Publications

Peer-reviewed journal articles and conference proceedings

Universal photonic processor for spatial mode decomposition

Sharma, Varun, Brandmüller, Dorian, Bütow, Johannes, Eismann, Jörg S, Banzer, Peter
Nature Communications
2025

Observation of stability of Gaussian beams and off-axis beam-cleaning in graded-index rods

Sharma, Varun, Bender, Nicholas, Haig, Henry, Kim, Myungjoon, Christodoulides, Demetrios N, Wise, Frank W
Optics Express
2025

Generating free-space structured light with programmable integrated photonics

Bütow, Johannes, Eismann, Jörg S, Sharma, Varun, Brandmüller, Dorian, Banzer, Peter
Nature Photonics
2024

Photonic integrated processor for structured light detection and distinction

Bütow, Johannes, Sharma, Varun, Brandmüller, Dorian, Eismann, Jörg S, Banzer, Peter
Communications Physics
2023

Near-Video Frame Rate Quantum Sensing Using Hong–Ou–Mandel Interferometry

Singh, Sandeep, Kumar, Vimlesh, Sharma, Varun, Faccio, Daniele, Samanta, GK
Advanced Quantum Technologies
2023

Tunable, high-power, high-order optical vortex beam generation in the mid-infrared

Sharma, Varun, Chaitanya Kumar, S, Samanta, GK, Ebrahim-Zadeh, M
Optics Express
2022

Imaging inspired characterization of single photons carrying orbital angular momentum

Kumar, Vimlesh, Sharma, Varun, Singh, Sandeep, Kumar, S Chaitanya, Forbes, Andrew, Ebrahim-Zadeh, Majid, Samanta, Goutam K
AVS Quantum Science
2022

Tunable vortex beam generation using an optical parametric oscillator with an antiresonant-ring interferometer

Sharma, Varun, Kumar, S Chaitanya, Samanta, GK, Ebrahim-Zadeh, M
Optics Letters
2021

Multi-structured-beam optical parametric oscillator

Sharma, Varun, Kumar, S Chaitanya, Samanta, GK, Ebrahim-Zadeh, M
Optics Express
2020

Controlled generation of vortex and vortex dipole from a Gaussian pumped optical parametric oscillator

Sharma, Varun, Aadhi, A, Samanta, Goutam Kumar
Optics Express
2019

Tunable vector-vortex beam optical parametric oscillator

Sharma, Varun, Kumar, S Chaitanya, Aadhi, A, Ye, H, Samanta, Goutam Kumar, Ebrahim-Zadeh, M
Scientific Reports
2019

Tunable ultraviolet vortex source based on a continuous-wave optical parametric oscillator

Sharma, Varun, Samanta, GK, Chaitanya Kumar, S, Singh, RP, Ebrahim-Zadeh, M
Optics Letters
2019

Tunable multi-structured-beam optical parametric oscillator

Sharma, Varun, Kumar, S Chaitanya, Samanta, GK, Ebrahim-Zadeh, M
Frontiers in Optics
2019

High-power, continuous-wave, tunable mid-IR, higher-order vortex beam optical parametric oscillator

A Aadhi, Varun Sharma, GK Samanta
Optics letters
2018

Orbital angular momentum exchange in a picosecond optical parametric oscillator

Sharma, Varun, Chaitanya Kumar, S, Samanta, Goutam Kumar, Ebrahim-Zadeh, M
Optics Letters
2018

Continuous-wave, singly resonant parametric oscillator-based mid-infrared optical vortex source

Aadhi, A, Sharma, Varun, Singh, RP, Samanta, GK
Optics Letters
2017

Multi-gigahertz, femtosecond Airy beam optical parametric oscillator pumped at 78 MHz

Aadhi, A, Sharma, Varun, Chaitanya, N Apurv, Samanta, GK
Scientific Reports
2017
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