9 22 05 ee 235 nse203 lec 8 chang hasnain 1 nse 203 summary of lecture contents introduction diode lasers optical gain communications 2 3 world wide laser market growth rate 10 15 4 comparison share 2002 expected by 2005 square4 telecom industry to remain largest 5 applications pumping plastic welding non lan man long hauloptical data storageoptical mouse 6 what is a has spectral coherence spatial made with medium resonator provide feedback pump source 7 p i n junction absorption b12 spontaneous emission a21 stimulated b21 processes light matter interaction three elements
