Lumentum’s telecom fibers provide advanced performance and reliability for next-generation optical communication systems. Our erbium-doped fibers deliver exceptional amplification efficiency, minimal noise, and reduced nonlinear effects, enabling high reliability and signal integrity across C-band and L-band applications, with customizable parameters such as cutoff wavelength, absorption levels, and mode field diameter. Complementing these, our PANDA-style polarization-maintaining fibers offer unparalleled polarization stability, minimal birefringence variation, and superior extinction ratios, ensuring precise polarization control in demanding applications such as coherent communications, fiber gyroscopes, quantum optics, optical interferometers, and certain laser delivery systems.