Battery-Less IoT Sensor Node with PLL-Less WiFi Backscattering Communications in a 2.5-μW Peak Power Envelope. - Longyang Lin; Karim Ali Ahmed; Praveenakumar Shivappa Salamani; Massimo Alioto (VLSI Circuits, 2021)

Imager with Dynamic LSB Adaptation and Ratiometric Readout for Low-Bit Depth 5-μW Peak Power in Purely-Harvested Systems. - Karim Ali Ahmed; Longyang Lin; Praveenakumar Shivappa Salamani; Massimo Alioto (VLSI Technology and Circuits, 2022)

Single-Antenna Backscattered BLE5 Transmitter with up to 97m Range, 10.6 μW Peak Power for Purely-Harvested Green Systems. - Karim Ali Ahmed; Ruiyuan Yang; Praveenakumar Shivappa Salamani; Viveka Konandur Rajanna; Massimo Alioto (ESSCIRC, 2023)

A 0.4V 12b Comparator Offset Injection Assisted SAR ADC achieving 0.425 fJ/conv-step. - Japesh Vohra; Karim Ali Ahmed; Massimo Alioto (ESSCIRC, 2023)

55pW/pixel Peak Power Imager with Near-Sensor Novelty/Edge Detection and DC-DC Converter-Less MPPT for Purely Harvested Sensor Nodes. - Karim Ali Ahmed; Hayate Okuhara; Massimo Alioto (ISSCC, 2023)

Super-Cutoff Analog Building Blocks for pW/Stage Operation and Demonstration of 78-pW Battery-Less Light-Harvested Wake-Up Receiver down to Moonlight. - Joydeep Basu; Luigi Fassio; Karim Ali 007; Massimo Alioto (VLSI Technology and Circuits, 2023)