Recently, high-speed bimodal transmission over 1300-nm optimized single-mode fiber (1300SM) was reported using low-cost 800-nm lasers.1 This system used a short section of 800-nm optimized single-mode fiber (800SM) at the receiver to attenuate the LP11 mode. However, interference arising from cross-coupling between the LP11 and LP01 modes at a misaligned joint may result in system degradation. The system may suffer from modal noise if a short 1300SM jumper is present between two misaligned joints. The joint between the 800-nm filter and 1300SM has an intrinsic mismatch loss and is also more sensitive to transverse offsets than that of two 1300SMs.

© 1988 Optical Society of America

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription