Prabin Pradhan
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View article: Endlessly mono-radial annular core photonic crystal fiber for the broadband transmission and supercontinuum generation of vortex beams
Endlessly mono-radial annular core photonic crystal fiber for the broadband transmission and supercontinuum generation of vortex beams Open
We demonstrate a new guiding regime termed endlessly mono-radial, in the proposed annular core photonic crystal fiber (AC-PCF), whereby only modes of the fundamental radial order are supported by the fiber at all input wavelengths. This at…
View article: Generation and characterization of cylindrical vector beams in few-mode fiber
Generation and characterization of cylindrical vector beams in few-mode fiber Open
For the past many decades, the Gaussian laser beam has driven major scientific discoveries that revolutionized the world of optics and photonics. In recent years, there is a burgeoning transformation where significant research has been ded…
View article: Generating and Characterizing Cylindrical Vector beams
Generating and Characterizing Cylindrical Vector beams Open
Fuelled by the ever-increasing demand for high-bandwidth multimedia applications, the ultimate data transmission capacity of a standard single-mode fiber (SMF)—the backbone of the Internet—is predicted to be reached within the next decade.…
View article: La génération et caractérisation des faisceaux cylindriques vectoriels
La génération et caractérisation des faisceaux cylindriques vectoriels Open
Confrontée à la demande toujours croissante d’applications multimédias à large bande passante, la capacité ultime de transmission de données d’une fibre optique monomode standard, l’épine dorsale de l’Internet, devrait être atteinte au cou…
View article: Generation of Perfect Cylindrical Vector Beams With Complete Control Over the Ring Width and Ring Diameter
Generation of Perfect Cylindrical Vector Beams With Complete Control Over the Ring Width and Ring Diameter Open
We propose the generation of high-purity perfect cylindrical vector beams (PCVB) using the Fourier transformation of Bessel–Gauss vector beams. The demonstration of PCVBs is implemented via an interferometric method employing a spatial lig…
View article: The Development of a Physical Spinal Cord Surrogate with Localized Transverse Compression Sensing Capabilities
The Development of a Physical Spinal Cord Surrogate with Localized Transverse Compression Sensing Capabilities Open
View article: The Brillouin gain of vector modes in a few-mode fiber
The Brillouin gain of vector modes in a few-mode fiber Open
In this work, we demonstrate the measurement of the Brillouin gain spectra of vector modes in a few-mode fiber for the first time using a simple heterodyne detection technique. A tunable long period fiber grating is used to selectively exc…