Ultra high-speed adaptive and all-optical method for data...
Ultra-dense wavelength and subcarrier multiplexed optical...
Ultra-low latency multi-protocol optical routers for the...
Ultra-short reach optical communications system and method...
Ultrahigh-speed clock extraction circuit
Ultrasonic and infrared transmitter with tunable carrier...
Uncooled laser generation of narrowcast CATV signal
Underwater optical communications system and method
Unequal pulse spacer
Unified multi-carrier framework for multiple-access...
Unified multi-carrier framework for multiple-access...
Unified optical connector architecture
Universal remote control unit with automatic appliance...
Unused band use right acquisition controlling method and...
Upgrade of optical amplifier site to a digital optical...
Upgradeable optical add/drop multiplexer
USB communication transceiver using optical link
Use of amplified spontaneous emission from a semiconductor...
Use of polarization for differentiation of information
Use of variable ratio couplers for network protection and...