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physics.optics2023★ 4 cited
Radiation families emitted by a discrete soliton in parity-time-symmetric waveguide arrays
Anuj P. Lara, Ambaresh Sahoo, Samudra Roy
We investigate the dynamics of a spatial discrete soliton and the radiation families emitted by it inside a parity-time ()-symmetric waveguide array with alternate ga…
physics.optics2023
Beam propagation in an active nonlinear graded-index fiber
Anuj P. Lara, Samudra Roy, Govind P. Agrawal
A theoretical model is developed by exploiting the variational technique to investigate the evolution of an optical beam inside an optically pumped graded-index fiber amplifier. Th…
physics.optics2023
Spatial beam dynamics in graded-index multimode fibers under Raman amplification:a variational approach
Ashis Paul, Anuj P. Lara, Samudra Roy +1
We investigate the spatial beam dynamics inside a multimode graded-index fiber under Raman amplification by adopting a semi-analytical variational approach. The variational analysi…