(1) (pump)(current injection)(population inversion)

(2)(gain medium )(active layer)pumping gain-medium (3)(optical resonant cavity)(output coupler)output couplerGaAs (110)(cleaved)(facet)

(photo) (LED) (Laser Diode, LD)

(direct band gap)GaAsInP

(forward biased)p-i-n(DH)(QW)AlxGa1-xAs/GaAs/AlxGa1-xAsGaAs(carrier confinement)(optical confinement)

PN()()

LED LEDLED

()390nm950nm()980nm1550nm (nm)

780nmAlxGa1-xAs()635nm-660nmInxGa1-xP()980nm-1100nmInxGa1-xAs

()()CD-R CD-ROM AlGaAs

()SONY (Blue-ray Disc Association, BDA)Blue-ray Disc TOSHIBAHD-DVD (HD DVD-Promotion Group)2008 3 TOSHIBA HD-DVD SONY Blue-ray Disc405 nm

()InP

0.8 ~ 1.5

19962 (1) (2) (3) (4)(CDLDVCDCD-ROM)

:http://home.educities.edu.tw/jmhwang/newsfile/Laserintro.htmhttp://www.rohm.com.tw/products/opto_device/laser_diode/ld-gaiyou.html:http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dnclcdr&s=id=%22097NCUE5614015%22.&searchmode=basichttp://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dnclcdr&s=id=%22097NCTU5686028%22.&searchmode=basichttp://ndltd.ncl.edu.tw/cgi-bings32gsweb.cgio=dnclcdr&s=id=%22094CYU00428006%22.&searchmode=basichttp://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dnclcdr&s=id=%22090NTHU0442068%22.&searchmode=basic

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