Optimized simultaneous generation of dual-wavelength phase and polarization singularities.

Kushal Kumar Tripathi, Laxminarayan, Sudheesh K Rajput, Yasuhiro Awatsuji, Praveen Kumar

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Kushal Kumar TripathiDepartment of Physics, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491002, India.

LaxminarayanDepartment of Physics, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491002, India.

Sudheesh K RajputDepartment of Engineering Physics, Koneru Lakshmaiah Education Foundation (KLEF), Vaddeswaram, Guntur, 522302, AP, India.

Yasuhiro AwatsujiFaculty of Electrical Engineering and Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan. awatsuji@kit.ac.jp.

Praveen KumarDepartment of Physics, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491002, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Optical singularities have gained significant importance for their unique phase and polarization properties, leading to their versatile applications in optical communication, imaging, and information processing. Most of the reported techniques for the generation of singularities use a single wavelength of light, which limits their applications for multi-spectral scenarios. As a solution, the present study demonstrates a technique to create optical singularities at multiple wavelengths of light simultaneously. The technique requires optimization of a liquid crystal spatial light modulator for phase modulation of light at multiple wavelengths through a single encoded gray-scale pattern. Simultaneous generation of phase and polarization singularities at wavelengths of 532 nm and 635 nm has been demonstrated to verify the technique.

Indexed as

Beam shapingPhase singularityPolarizationSpatial light modulatorStructured light

Identifiers

PMID42086743

DOI10.1038/s41598-026-51362-9

PMCPMC13333958

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LicenceCC BY-NC-ND

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