2 papers
cond-mat.supr-con2026
Nitrogen-doped W0.75Re0.25 Superconducting Nanowire Single Photon Detectors
F. Colangelo, Abhishek Kumar, H. Wang +4
Nitrogen-doped Tungsten-Rhenium superconducting alloys were recently proposed as a promising material platform for superconducting nanowire single-photon detectors (SNSPDs), offeri…
cond-mat.mtrl-sci2026
Alignment-free ultra-broadband parametric frequency conversion in lead-halide perovskites
Abhishek Shiva Kumar, Dusan Lorenc, Ayan A. Zhumekenov +2
Lead-halide perovskites were demonstrated to exhibit some of the largest known optical nonlinearities, yet their potential for frequency conversion remains largely untapped. Here w…