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Optical and thermal nonlinearities in laser trapping under femtosecond pulsed excitation

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  • ​Anita Devi, Sumit Yadav, Arijit K. De, Complementing two-photon fluorescence detection with backscatter detection to decipher multiparticle dynamics inside a nonlinear laser trap, Scientific Reports, 739 (1-7), 13, 2023.

       https://doi.org/10.1038/s41598-022-27319-z

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  • Anita Devi and Arijit K De, Reply to “Comment on ‘Unified treatment of nonlinear optical force in laser trapping of dielectric particles of varying sizes’ ” Physical Review Research, 038002(1-2), 4(3), 2022.

       https://doi.org/10.1103/PhysRevResearch.4.038002

  • Sumit Yadav§, Anita Devi§ and Arijit K. De, Enhanced optical force on multilayered dielectric nanoparticles by tuning material properties and nature of excitation: a theoretical investigation​,Nanoscale Advances, 2979 - 2987, 4, 2022.

       § Equally contributed to this work. 

       https://doi.org/10.1039/D2NA00280A

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  • Anita Devi,* Bhaswardeep Sikdar and Arijit K. De,* Revisiting nonlinear optical trapping of single nanoparticles using generalized Lorentz-Mie theory, Physical Review A,  053529(1-9), 105 (5), 2022.

      *Corresponding authors

       https://doi.org/10.1103/PhysRevA.105.053529​

      

     

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  • Anita Devi§, Sumit Yadav§ and Arijit K. De, Deciphering single- and multi-particle trapping dynamics under femtosecond pulsed excitation with simultaneous spatial and temporal resolution, Scientific Reports, 12, 5373, 2022.

      § Equally contributed to this work.

       https://doi.org/10.1038/s41598-022-09251-4 

 

      

      

     

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  • Anita Devi and Arijit K. De,  A unified treatment of nonlinear optical force in laser trapping of dielectric particles of varying sizes, Physical Review Research, 033074 (1-21), 3 (3 ), 2021.

       https://doi.org/10.1103/PhysRevResearch.3.033074 â€‹

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  • Anita Devi, Shruthi S. Nair, Sumit Yadav and Arijit K. De, Controlling optical trapping of metal–dielectric hybrid nanoparticles under ultrafast pulsed excitation: a theoretical investigation, Nanoscale Advances, 3288-3297, 3 (11), 2021.

       https://doi.org/10.1039/D0NA01083A 

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  • Anita Devi and Arijit K. De, A table-top compact multimodal nonlinear laser tweezer, Optics Communications, 126440 (1-12), 482, 2021.

       https://doi.org/10.1016/j.optcom.2020.126440

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  • Anita Devi and Arijit K. De, Generalized description of the nonlinear optical force in laser trapping of dielectric nanoparticles, Physical Review Research, 043378 (1-5), 2 (4), 2020.

       https://doi.org/10.1103/PhysRevResearch.2.043378

        

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  • Anita Devi, Sumit Yadav and Arijit K. De, Dynamics of a dielectric microsphere inside a nonlinear laser trap, Applied Physics Letters, 161102 (1-6), 117 (16), 2020.

       https://doi.org/10.1063/5.0026334

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  • Sumit Yadav, Anita Devi and Arijit K. De, Synergistic effect of Fano-resonance and optical nonlinearity in laser trapping of silver nanoparticles, Physical Review A, 043511 (1-7), 102 (4), 2020.

       https://doi.org/10.1103/PhysRevA.102.043511

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  • Anita Devi* and Arijit K. De,* Investigating the reversal nature of optical forces in a nonlinear laser trap using a generalized Lorenz-Mie theory, Physical Review A, 023509 (1-9), 102, 2020.

      *Corresponding authors

       https://doi.org/10.1103/PhysRevA.102.023509

  • Anita Devi, Shruthi S. Nair and Arijit K. De, Disappearance and reappearance of optical trap for silver nanoparticles under femtosecond pulsed excitation: A theoretical investigation, EPL (Europhysics Letters), 28002 (1-7), 126, 2019.

       http://dx.doi.org/10.1209/0295-5075/126/28002  

       

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  • Anita Devi and Arijit K. De, Simultaneous detection of two-photon fluorescence and back-scattered signal of optical trapping of dielectric nanoparticles under femtosecond pulsed excitation, JNP Letters (Journal of Nanophotonics), 020501 (1-8), 13 (2), 2019.

       http://dx.doi.org/10.1117/1.JNP.13.020501

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  • Anita Devi and Arijit K. De, Harnessing optical nonlinearity to control reversal of trapping force: A theoretical investigation, Journal of Optics (IOP Publishing), 065502 (1-8), 21, 2019.

       https://doi.org/10.1088/2040-8986/ab162a​​

      

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  • Anita Devi and Arijit K. De, An alternate analytic formulation of optical force on a dielectric sphere in the ray optics limit, Journal of the Optical Society of America B, 244-250, 35 (2), 2018. 

       http://doi.org/10.1364/JOSAB.35.000244

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  • Anita Devi and Arijit K. De, Theoretical estimation of nonlinear optical force on dielectric spherical particles of arbitrary size under femtosecond pulsed excitation, Physical Review A, 023856 (1-9), 96 (2), 2017. 

       https://doi.org/10.1103/PhysRevA.96.023856​​​

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  • Anita Devi and Arijit K. De, Theoretical investigation on optical Kerr effect in femtosecond laser trapping of dielectric microspheres, Journal of Optics (IOP Publishing), 065504 (1-6), 19 (6), 2017. 

       https://doi.org/10.1088/2040-8986/aa698c

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  • Anita Devi and Arijit K. De, Theoretical investigation on nonlinear optical effects in laser trapping of dielectric nanoparticles with ultrafast pulsed excitation, Optics Express, 21485-21496, 24 (9), 2016. 

       https://doi.org/10.1364/OE.24.021485

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