activity
20172020
most citedModulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers

27 citations · 100 across the 6 of their papers we have counts for

collaborators

6 papers

physics.optics2020

-channel comb filtering and lasing in -symmetric superstructures

S. Vignesh Raja, A. Govindarajan, A. Mahalingam +1

A comb spectrum generating device based on Bragg grating superstructures with gain and loss is suggested in this paper. It includes a comprehensive analysis of the device formulati…

physics.optics2020★ 12 cited

Phase shifted -symmetric periodic structures

S. Vignesh Raja, A. Govindarajan, A. Mahalingam +1

We report the spectral features of a phase-shifted parity and time ()-symmetric fiber Bragg grating (PPTFBG) and demonstrate its functionality as a demultiplexer in t…

physics.optics2020★ 21 cited

Tailoring inhomogeneous -symmetric fiber Bragg grating spectra

S. Vignesh Raja, A. Govindarajan, A. Mahalingam +1

The unique spectral behavior exhibited by a class of non-uniform Bragg periodic structures, namely chirped and apodized fiber Bragg gratings (FBGs) influenced by parity and time re…

nlin.PS2019★ 16 cited

Nonlinear nonuniform -symmetric Bragg grating structures

S. Vignesh Raja, A. Govindarajan, A. Mahalingam +1

We explore the consequences of incorporating parity and time reversal () symmetries on the dynamics of nonreciprocal light propagation exhibited by a class of nonunif…

nlin.PS2019★ 24 cited

Multifaceted dynamics and gap solitons in -symmetric periodic structures

S. Vignesh Raja, A. Govindarajan, A. Mahalingam +1

We report the role of -symmetry in switching characteristics of a highly nonlinear fiber Bragg grating (FBG) with cubic-quintic-septic nonlinearities. We demonstrate…

nlin.PS2017★ 27 cited

Modulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers

A. Govindarajan, Boris A. Malomed, A. Mahalingam +1

We investigate modulational instability (MI) in asymmetric dual-core nonlinear directional couplers incorporating the effects of the differences in effective mode areas and group v…