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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...
Long-Distance Standard Single-Mode Fiber Transmission of 40-Gbit/s 16QAM Signal with Optical Delay-Detection and Digital Pre-Distortion of Chromatic Dispersion
Long-Distance Standard Single-Mode Fiber Transmission Optical Delay-Detection and Digital Pre-Distortion Chromatic Dispersion
2015/5/21
Dispersion pre-distorted 40-Gbit/s 16QAM transmissions over 800-km standard-single mode fiber(~13300 ps/nm) using delay detection is demonstrated with large tolerance to laser phase noise (1-MHz linew...
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...
Intermodulation and Harmonic Distortion in Slow Light SOA based Microwave Photonic Phase Shifters
Intermodulation Harmonic Distortion Microwave Photonic Phase Shifters
2015/5/15
We theoretically and experimentally evaluate the harmonic and intermodulation distortion in a SFL phase shifter which comprises an EOM, a SOA under CPO regime and an optical filter.
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...
Almost Distortion-Free 1.2 Bit Brillouin Based Slow-Light
Almost Distortion-Free Brillouin Based Slow-Light
2015/7/15
We present the first experimental verification of an almost distortion-free SBS based delay line. Since no distortion will be accumulated by the pulses, any delay can be achieved by a cascading of suc...
From Algorithm to ASIC: Realising Distortion Tolerant Transmission
Algorithm ASIC:Tolerant Transmission
2015/7/15
Structural design and functional blocks of a digital equalizer chipset is shown in a case study of two product generations. In addition, challenges from field applications and product solutions are pr...
Optical dispersion-compensation free incoherent multilevel signal transmission over single-mode fiber with digital pre-distortion and phase pre-integration techniques
Optical dispersion-compensation incoherent multilevel signal transmission single-mode fiber
2015/7/31
Incoherent 30-Gbit/s 8-level 400-km and 35.8-Gbit/s 12-level 240-km standard-SMF transmissions are demonstrated without optical dispersion compensation for the first time.