Provided is an infrared light emitting device in which {HEAD ~ dark current and diffusion current} caused by {TAIL ~ thermally excited holes} are suppressed 
Provided is an infrared light emitting device in which { HEAD ~ dark current and diffusion current } caused by { TAIL ~ thermally excited holes } are suppressed
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH