用于宽带光纤用户网的高速1.3μm InGaAsP/InP DH LED

High-Speed 1.3μm InGaAsP/InP DH LED for Broad-Band Optical Fiber Subscriber Loops

本文设计并制作了带有集成透镜的高速1.3μm InGaAsP/InP DH LED.器件的调制带宽达425MHz,与梯度折射率多模光纤的耦合效率高达7.5％,适用于四次群以上的宽带光纤通讯系统,在未来的宽带ISDN中将发挥重要作用.

High-speed 1.3μm InGaAsP/InP DH LEDs with integrated InP lens have been fabricatedby ion-beam milling technique. The bandwidth of the devices is of 425 MHz and a couplingefficiency of 7.5% into standard optical fiber has been achieved.