Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Subhasish Dutta Gupta"'
Publikováno v:
APL Photonics, Vol 5, Iss 8, Pp 086106-086106-8 (2020)
We demonstrate that tight focusing of a circularly polarized Gaussian beam in optical tweezers leads to spin-momentum locking—with the transverse momentum density (Poynting vector) being helicity-dependent, while the transverse spin angular momentu
Externí odkaz:
https://doaj.org/article/cda9c83809774c7bb01074ac90145f89
Publikováno v:
New Journal of Physics, Vol 16, Iss 8, p 083037 (2014)
The spin orbit interaction (SOI) of light has been the focus of recent research due to the fundamental consequences and potential applications in diverse systems, ranging from inhomogeneous anisotropic media to engineered plasmonics and metamaterial
Externí odkaz:
https://doaj.org/article/a3eeca9506fc493abeb8a2c440458e30
Autor:
Sounak Sinha Biswas, Ghanasyam Remesh, Venu Gopal Achanta, Ayan Banerjee, Nirmalya Ghosh, Subhasish Dutta Gupta
The interaction of light beams with resonant structures has led to the development of various optical platforms for sensing, particle manipulation, and strong light-matter interaction. In the current study, we investigate the manifestations of the bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::554d4d1bdfc2bcbf0d602b75d5dc984c
Publikováno v:
Physical Review A. 105
In the recent past, optical tweezers incorporating a stratified medium have been exploited to generate complex translational and rotational dynamics in mesoscopic particles due to the coupling between the spin and orbital angular momentum of the ligh
Publikováno v:
Mesophotonics: Physics and Systems at Mesoscale.
Publikováno v:
Physical Review A. 105
We demonstrate theoretically the feasibility of correlated entangled photon-pair generation with vanishing threshold in a bimodal cavity setup that uses a single V-type three level atom pumped by dual incoherent sources and driven by two coherent fie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2de33d5c9fa28af58ead6f943a4d1477
Publikováno v:
Optical Trapping and Optical Micromanipulation XVIII.
Spin-to-orbit conversion of light is a dynamical optical phenomenon in a non-paraxial fields, which plays an important role in various manifestations of the optical Hall Effect. Here, we demonstrate – both theoretically and experimentally – the r
Autor:
Ghanasyam Remesh, Athira B S, Shyamal Gucchait, Ayan Banerjee, Nirmalya Ghosh, Subhasish Dutta Gupta
Publikováno v:
Journal of Optics. 24:105602
Manifestations of orbital angular momentum induced effects in the diffraction of a radially polarized vector beam by an off-axis tilted aperture are studied both experimentally and theoretically. Experiments were carried out to extract the degree of
We study coupling of leaky Berreman modes in polar dielectric films (SiO2) through a thin metallic layer (gold) and show the familiar signatures of normal mode splitting. Due to very large negative real part of the dielectric function of gold, the sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d0db6389557e5645877669ec836d627
http://arxiv.org/abs/2106.06725
http://arxiv.org/abs/2106.06725