High-Performance Modulation-Doped Heterostructure-Thermopiles for Uncooled Infrared Image-Sensor Application. - Masayuki Abe; Noriaki Kogushi; Kian Siong Ang; René Hofstetter; Kumar Manoj; Louis Nicholas Retnam; Hong Wang; Geok Ing Ng; Chong Jin; Dimitris Pavlidis (IEICE Trans. Electron., 2012)