STRAINED-LAYER MULTI-QUANTUM-WELL LASER-DIODE FOR OPTICAL-FIBER TRANSMISSION-SYSTEMS

被引：0
|
作者：
OGITA, S
KOBAYASHI, H
OKAZAKI, N
机构：
来源：
FUJITSU SCIENTIFIC & TECHNICAL JOURNAL | 1994年 / 30卷 / 02期
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 1.48-mu m high-power laser diode for pumping an optical fiber amplifier and a low distortion 1.3-mu m distributed feedback (DFB) laser for an optical CATV transmission system were developed using a compressively strained layer multi-quantum-well (MQW) structure. A high external quantum efficiency and comparatively high characteristic temperature were obtained in optimized InGaAs wells, and an output power as high as 210 mW at 1.48 mu m was demonstrated. Using highly strained InGaAsP wells (strain= 1%), a high external quantum efficiency and low threshold current were obtained at 1.3 mu m. A fabricated 1.3-mu m DFB laser module for 78-channel CATV transmission demonstrated an extremely tow distortion of -60 dBc even at a high output power of 13 mW.
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页码：171 / 180
页数：10
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