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A Low Complexity Pre-Distortion Method for Intra-channel Nonlinearity
Low Complexity Pre-Distortion Method Intra-channel Nonlinearity
2015/5/21
We propose a low complexity intra-channel nonlinearity pre-distortion method based on symbol rate operation. The method is experimentally verified under a 43Gb/s DP-QPSK coherent system, and the perfo...
Pulsed Fiber-MOPA source operating at 1550 nm with pulse distortion pre-compensation
Pulsed Fiber-MOPA source operating pulse distortio pre-compensation
2015/5/20
In this paper we present a diode-seeded pulsed Fiber-MOPA source operating in the telecommunication band with pulse distortion pre-compensation using arbitrary shaped input pulses. 100 ns long flat-to...
XPM-Induced Spectral Distortion in High Efficiency,Picosecond,Fiber Optical Parametric Oscillators
XPM-Induced Spectral Distortion High Efficiency Fiber Optical Parametric Oscillators
2015/5/15
We describe a 230nm tunable fiber optical parametric oscillator (FOPO) using an 8ps pump laser. The FOPO generates 2-4ps pulses with conversion efficiency as high as 20%. The output spectrum exhibits ...
Electronic Pre-Distortion Operating at 1 Sample/symbol with Accurate Bias Control for CD Compensation
Coherent communications Fiber optics links subsystems
2015/6/9
Electronic pre-distortion operating at 1 Sa/sym with anti-aliasing filter and accurate bias control is proposed. This approach guarantees Q penalty within 0.7 dB for 112 Gb/s DP-QPSK coherent system w...
Using a Microcontroller to Optimize the Bias Voltage of Balanced Photodiodes to Minimize Even-Order Distortion in Analog Fiber-Optic Links
Radio frequency photonics Photodiodes Fiber optic links subsystems
2015/6/4
Use of a microcontroller-based bias board for balanced photodiodes improves even-order distortion cancellation due to voltage dependent responsivity nonlinearities.The bias board improves the second o...
Harmonic Distortion in Slow Light SOA based Microwave Photonic Phase Shifters
Fiber optics communications Fiber optics links subsystems
2015/6/4
We present a theoretical and experimental evaluation of any general order harmonic distortion in a SFL phase shifter based on CPO in a SOA and propose different optical filtering implementations for d...