This document discusses recent developments and future trends in optical fiber technology. Recent developments include using new materials like chalcogenide and fluoroziconate for fiber fabrication. Fiber optic sensors have also been developed for distributed sensing over long distances. Future trends include all-optical communication networks capable of multi-terabit transmission, improvements in laser and amplification technologies, and advances in wavelength division multiplexing and fiber component miniaturization. The fiber optics field continues to rapidly evolve to meet growing needs for faster data transmission.