Detection of infrared light has many applications in medical, astronomical and security applications.
Many approaches have been tried and successfully implemented.  Semiconductors such as InSb, InAs, HgCdTe, InGaAs have been studied. Most IR detectors have to be cooled increasing cost. In collaboration with Anadolu and Middle East Technical Universities, in this work, we are interested in design, fabrication and testing of high efficiency detectors using ultrathin layers of GaSb/InAs pairs.