5 papers
Phantom Transitions in Language Model Fine-Tuning: A Density-Matrix Analysis
Vaibhav Prakash, Jayasri Dontabhaktuni
Language models fine-tuned where the correct completion must outrank a near-synonym competitor often fail silently. The cross-entropy loss falls monotonically while the correct tok…
Liquid crystal based tailoring of strong coupling in \ch{WS2} metasurfaces: towards reconfigurable quantum photonics
Anu Koviloor Manian, Jayasri Dontabhaktuni
Strong light-matter interactions in 2D materials have garnered significant interest for their potential in nonlinear optics and quantum photonics. Transition metal dichalcogenides…
Hybrid Quantum-Classical Inverse Design of Metasurfaces for Tailored Narrow Band Absorption
Sreeraj Rajan Warrier, Jayasri Dontabhaktuni
The inverse design of metasurfaces poses a considerable challenge because of the intricate interdependencies that exist between structural characteristics and electromagnetic respo…
Inverse Design using Physics-Informed Quantum GANs for Tailored Absorption in Dielectric Metasurfaces
Sreeraj Rajan Warrier, Jayasri Dontabhaktuni
High Q-factor narrow-band absorption exhibits high spectral selectivity enabling high-sensitive photodetectors, sensors and thermal emitters. All-dielectric metasurfaces are widely…
Hybrid Quantum Generative Adversarial Networks To Inverse Design Metasurfaces For Incident Angle-Independent Unidirectional Transmission
Sreeraj Rajan Warrier, Jayasri Dontabhaktuni
Optimization of metasurface designs for specific functionality is a challenging problem due to the intricate relation between structural features and electromagnetic responses. Rec…