Atlanta, Georgia, United States
Azure network architecture standards and exception management. Regional network architecture Optical dwdm network architecture (metro and long haul) Optical vendor quality control , RMA and FA
Be responsible for 1830 PSS photonic line infrastructure program for terrestrial applications Work closely with R&D, sales, regional BDM on: understanding customer requirements, resolving product issue , developing new product features, defining product Roadmap and etc.
Real-time transmission impairments characterization of ROADM-enabled DWDM systems for network planning System performance analytical prediction without performing intensive experiments and simulations Real-time transmission system impairments mitigation using DSP or routing architecture optimization
Joint signal processing of multiple sub-carriers for high spectral efficiency Nyquist-WDM performance optimization • Implemented an algorithm to identify and remove inter-subcarrier time skew • Developed two inter-channel crosstalk cancellation algorithm: LMS equalization and Maximum A-posterior • Explored a computationally efficient joint carrier phase recovery algorithm, which uses a master channel carrier phase to compensate the carrier phase of other sub-carriers Developed various penalty compensation methods using DSP • Scripted the signal generation code for Fujitsu DAC for various modulation format generation • Developed two channel estimation techniques for pre-equalizer design for DAC bandwidth compensation • Implemented and optimized coherent receiver demodulation algorithms Gaussian noise model aided system performance analysis • Incorporated the crosstalk noise into Gaussian noise model for system performance prediction • Predicted system performance for various link configurations and signal types