Robert W. Hellwarth

Affiliations: 
Electrical Engineering University of Southern California, Los Angeles, CA, United States 
Area:
Electronics and Electrical Engineering, Optics Physics
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Publications

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Bakhtiari Z, Hellwarth RW, Willner AE. (2012) Optical sub-QPSK symbol information extraction from 16-QAM signal using optical phase erasure Optics Infobase Conference Papers
Bakhtiari Z, Chitgarha MR, Khaleghi S, et al. (2012) Experimental optical tunable phase-coherent multiplexing of four 20-Gbaud OOK signals into a single 80-Gbit/s 16-QAM and star 16-QAM signal Cleo: Science and Innovations, Cleo_si 2012
Bakhtiari Z, Wang J, Wu X, et al. (2011) Demonstration of 10-40-Gbaud baud-rate-tunable optical generation of 16-QAM from a QPSK signal using a variable DGD element 2011 Conference On Lasers and Electro-Optics: Laser Science to Photonic Applications, Cleo 2011
Wang J, Yilmaz OF, Nuccio SR, et al. (2010) Data traffic grooming/exchange of a single 10-Gbit/s TDM tributary channel between two pol-muxed 80-Gbit/s DPSK channels Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, Cleo/Qels 2010
Wang J, Bakhtiari Z, Xiao-Li Y, et al. (2010) Phase-transparent optical data exchange of 40-Gbit/s DPSK signals using four-wave-mixing in a highly nonlinear fiber Optics Infobase Conference Papers
Wang J, Bakhtiari Z, Xiao-Li Y, et al. (2010) Experimental demonstration of data traffic grooming of a single 10-Gbit/s TDM tributary channel between two 160-Gbit/s WDM channels Optics Infobase Conference Papers
Cho HM, Hellwarth RW. (2007) Deci-gigavolt electrons from a millitorr gas struck by a sub-joule ultra-short laser pulse: An exact simulation Optics Infobase Conference Papers
Cho HM, Hellwarth RW. (2007) Energy gain of, and re-radiated power from, initially stationary electrons struck by a sub-joule ultrashort laser pulse: An exact simulation Optics Infobase Conference Papers
Hellwarth RW, Biaggio I. (1999) Mobility of an electron in a multimode polar lattice Physical Review B - Condensed Matter and Materials Physics. 60: 299-307
Feng S, Winful HG, Hellwarth RW. (1999) Spatiotemporal evolution of focused single-cycle electromagnetic pulses Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 59: 4630-4649
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