BIT-enabled VCSEL-based parallel optic transceivers

摘要

We present technology that enables high-resolution optical time domain reflectometer (OTDR) within aerospace transceivers. Transceivers with built-in-test (BIT) OTDR can characterize the fiber plant and isolate faults among the multiple fiber segments within the aerospace vehicles: at the board level, backplane level, or within multiple bulkhead links throughout the airframe. BIT OTDR has been proposed for improving reliability and reducing maintenance costs on aerospace platforms [1]-[7].