Safety shutdown system for a WDM fiber optic communications...

Security mapping and auto reconfiguration

Self calibrated optical spectrum monitor

Self-adjusting bit rate transducer in optical transmission...

Self-characterizing and self-programming optical transmitter

Shared optical performance monitoring

Shared optical performance monitoring

Sharing of power level information to support optical...

Signal identification in optical communications networks

Signal-off detection circuit and optical receiving device...

Simulation of electro-optical connections that takes spatial...

Smart connect

SONET outage impact measurement technique

SONET outage impact measurement technique

Spectral shaping for optical OFDM transmission

Status link for multi-channel optical communication systems

Subband spectrum analysis for optical multiplex section...

Submarine observation apparatus and submarine observation...

Supervisory control plane over wavelength routed networks

Switching status and performance monitoring technology for...