無線電纖維光學

　　觀察半導體激光技術的先進性讓人印象深刻。年長的邊緣發射激光二極管都讓位給了垂直腔面發射激光器（VCSEL）。這導致了更低的成本和更高的可靠性，因為VCSELs不需要模具的90度的重新定位一樣的邊緣發射技術。

　　VCSEL，再加上減少半導體的幾何形狀，使光纖世界大幅增加其高速發射器和接收器的組合。10克、25克、40克，現在的100 Gbit / s的單模光纖鏈路模塊，支持熱插拔，低功耗，標準形式的因素是革命性的設計和架構的數據中心和通信樞紐。

　　At the same time large facilities like hospitals， universities， government buildings， TV/radio buildings， and more are requiring higher amounts of data traffic at higher speeds by more users. In addition， the term “users” includes people and—in this age of IoT—other other web- and cloud-enabled devices.

　　This article looks at ways in which RF data and signals can be sent through fiber-optic media. It will examine the advantages and disadvantages of this approach， as well as methods in which these implementations can address the need for higher speed and flatten out network topology. All parts， datasheets， tutorials， reference designs， and development kits mentioned here can be found online at Digi-Key’s website.