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Zero frequency error locking of widely tunable lasers in high spectral efficiency systems using optical injection phase lock loops
2002 / IEEE / 1-55752-701-6
This item was taken from the IEEE Conference ' Zero frequency error locking of widely tunable lasers in high spectral efficiency systems using optical injection phase lock loops ' A method of locking widely tunable lasers with zero frequency error relative to supplied optical and microwave references despite lasers temperature variations was demonstrated. Locking was maintained when changing laser submount temperature from 18/spl deg/C to 23/spl deg/C, while channel spacing variations were kept under 1 Hz. Using a two OIPLL system, 10 Gbit/s transmission at 18 GHz channel spacing was achieved.
Optical Phase Locked Loops
Distributed Bragg Reflector Lasers
Zero Frequency Error Locking
Widely Tunable Lasers
High Spectral Efficiency Systems
Optical Injection Phase Lock Loops
Laser Temperature Variations
Laser Submount Temperature
Ghz Channel Spacing
18 To 23 Degc
Tunable Circuits And Devices
Sampled Grating Dbr Laser