Quasi-phase-matched second harmonic generation device in Mg-doped LiNbO3 and its application to high-density optical disk system

被引：1
|
作者：
Kitaoka, Y [1 ]
Mizuuchi, K [1 ]
Yokoyama, T [1 ]
Yamamoto, K [1 ]
Narumi, K [1 ]
Kato, M [1 ]
机构：
[1] Matsushita Elect Ind Co Ltd, Opt Disk Syst Dev Ctr, Moriguchi, Osaka 5708501, Japan
来源：
BULLETIN OF MATERIALS SCIENCE | 1999年 / 22卷 / 03期
关键词：
quasi-phase-matched (QPM); second harmonic generation (SHG); Mg-doped LiNbO3; optical waveguide; high-density optical disk systems;
D O I：
10.1007/BF02749949
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The resistance to photorefractive damage is investigated for several nonlinear crystals. A quasi-phase-matched (QPM) second harmonic generation (SHG) waveguide device is fabricated in 5 mol% Mg-doped LiNbO3 which has high resistance to optical damage. The SHG blue laser of the QPM-SHG waveguide device and a tunable distributed Bragg reflector (DBR) laser diode is demonstrated, wherein output stability of continuous blue light is measured. The SHG blue laser, using the QPM-SHG waveguide device with broadened flat matching response, shows good modulation characteristics. The pulsed peak power of 23 mW with rectangular modulated waveform is generated. The SHG blue laser is installed to an optical head, and good recording and readout characteristics are demonstrated. Moreover, butt-coupled SHG blue laser is examined to gain a miniature module with volume of 0.8 cc.
引用
收藏
页码：405 / 411
页数：7
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