Free-space optical wavelength routing element based on...

Free-space star-coupled optical data bus

Frequency agile transponder

Frequency characteristic correction system for optical network

Frequency division multiple access network

Frequency modulation apparatus

Frequency modulation coherent optical communications system with

Frequency separation stabilization method for optical heterodyne

Frequency stabilized and crosstalk-free signal sources for...

Frequency stabilizing equipment for optical communication...

Frequency tunable resonant scanner

Frequency-multiplex optical transmission apparatus

Front end for a broadband optical receiver

Frustrated total internal reflection device having a first space

Frustrated total internal reflection device having a spacer and

Frustrated total internal reflection-based...

FTIR modulator

Full duplex communication system and method of using same

Full duplex optical modem for broadband access network

Full-duplex data communication system using different transmit a