High-power red laser mode for recordable DVDs

被引：3

作者：

Miyashita, M ^{[1
]}

Nakayama, T ^{[1
]}

Takase, T ^{[1
]}

Ohkura, Y ^{[1
]}

Yoshida, Y ^{[1
]}

Nishiguchi, H ^{[1
]}

Shima, A ^{[1
]}

Nishimura, T ^{[1
]}

机构：

[1] Mitsubishi Electr Corp, High Frequency & Opt Device Works, Itami, Hyogo 6648641, Japan

来源：

NOVEL IN-PLANE SEMICONDUCTOR LASERS III | 2004年 / 5365卷

关键词：

red laser diodes; DVD; high-power; kink; cavity length;

D O I：

10.1117/12.530179

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A kink mechanism of a red (658nm) laser diode (LD) has been investigated in order to achieve a higher power operation of over 200mW. The experimental results indicate that a main origin of the kink generation is due to the deviation of the refractive index step caused by the local heat generation at the stripe region. To reduce the heat generation at the stripe region, an extension of a cavity length of the LD is applied. The LD with the cavity length of 1500 mum realizes a kink-free 200mW operation even at 80degreesC. Also, this LD shows a reliable pulsed operation of 230mW at 75degreesC and 250mW at 70degreesC for over 1700 hours. This is the highest power operation among narrow stripe 658nm LDs.

引用

页码：148 / 154

页数：7

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