DVD???????????????????

1
DVD???????????????????

• ??????????????

2

(?) ????????? (1) ???? ??????,?????(laser
diode)???????????,??????????(digital versatile
disk,??DVD)???C???????CD-ROM?CD-R?????????????????
?,?????????,??DVD???????????,????????????,????????
????
3

AlGaInP????????????635-680 nm????,10
mW??????????????????????????????????????????????,?
DVD-ROM ?DVD-Video?????????30100
mW?????????????????,?DVD-R (?????)?DVD-RW
(??????),??????AlGaInP????????????,???????????????
???,???????????????
4

DVD?????????????????????????????,????????,????
?DVD-R/DVD-RW??????????????,????????????DVD-R/DVD-
RW????????????????????????,???AlGaInP?????????????
?????,???????????????????,???????????,??DVD???????
???????????????
5
(2)???? ???DVD-R/RW???AlGaInP ridge
LD????????(epitaxy),?????????????????????????????,
?????????????????????,????????????????,???????????
????????????,?????????????cavity
loss,????(cladding )??????????????????,??????RIE
?????????,???????????????????????????????
6
????,waveguide loss??????total
cladding?????,??????????????????????,????????cladd
ing??,??????????,????????,???????????????????????
7
?? ????????????
8

(?) ??????? ??????????????,????????????,???-??
??-?????????,???????AlGaInP,???????,?????AlGaInP??
????????,?????????. ???????
9

????????????????? 1  ????????????????? cavity
loss? absorption loss???? 2. ??????????????DVD???
?LD???????????????? 3. ???????????????????
???window structure???????? ,??????????????????
??????
10
?????????1.  ??AlGaInP??????????,?
????????. ??2. ??PICS3D (Photonic Integrated
Circuit Simulator in 3D) ?LASTIP.
???,??????????????3.  ?????????????????
???4.??cavity loss,???23???,?
????????????5.???????????????L-I?
?,????????????
11
(?) ????1. ??DVD-R/DVD-RW?LD????
?????2. ????LD????????? cladding????cavity
loss,? ?????????LD???3. ???????LD?L-I?,????
????4. ??????????DVD???? LD????,??????????
????