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Generation of 20-Gb/s RZ-DQPSK Signal using a Directly Modulated Chirp Managed Laser
Generation RZ-DQPSK Signal Directly Modulated Chirp Managed Laser
2015/5/21
We generate 20-Gb/s return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK) signal using a directly modulated chirp managed laser (CML), without requiring any differential encoder and opt...
Ultra-broadband optical chirp linearization for precision length metrology applications
Laser stabilization Metrology Range finding Lidar
2015/6/8
We demonstrate precise linearization of ultra-broadband (>5 THz) laser frequency sweeps using a fiber-based self-heterodyne technique. Frequency errors less than 170 kHz relative to linearity were obs...
Reconfigurable Linear Chirp Control in Photonic Generation of High-Frequency Microwave Pulses
Continuous optical signal processing Microwaves
2015/6/4
A fiber-based approach for linear chirp control in optically-generated microwave pulses is proposed and demonstrated.Full linear chirp reconfigurability, including positive, negative and zero chirp ra...