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Featured researches published by J.-X. Cai.


european conference on optical communication | 2014

54 Tb/s transmission over 9,150 km with optimized hybrid Raman-EDFA amplification and coded modulation

J.-X. Cai; Yu Sun; Hussam G. Batshon; M. Mazurczyk; Hongbin Zhang; D. G. Foursa; A. Pilipetskii

Using optimized hybrid Raman-EDFAs and coded modulation with variable spectral efficiency we achieve 54 Tb/s capacity over 9,150 km transmission. We also achieve a capacity-distance product of 534 Pb/s*km after 10,230 km distance.


optical fiber communication conference | 2005

Experimental comparison of the RZ-DPSK and NRZ-DPSK modulation formats

J.-X. Cai; C. R. Davidson; D. G. Foursa; Li Liu; Yi Cai; B. Bakhshi; G. Mohs; Will Patterson; P. C. Corbett; A. Lucero; William T. Anderson; Haifeng Li; Morten Nissov; A. Pilipetskii; Neal S. Bergano

The RZ-DPSK and NRZ-DPSK modulation formats were experimentally compared using installed undersea fiber links. Our results show a 1-1.5 dB RZ benefit with optimized RZ modulation depth for both 25-GHz and 33-GHz spaced channels.


optical fiber communication conference | 2006

Improved Margin in Long-Haul 40 Gb/s Systems Using Bit-Synchronously Modulated RZ-DQPSK

J.-X. Cai; Morten Nissov; C. R. Davidson; William T. Anderson; Yi Cai; A. Pilipetskii; D. G. Foursa; Will Patterson; P. C. Corbett; A. Lucero; Neal S. Bergano

We demonstrated a substantial improvement in FEC margin at 40 Gb/s using bit-synchronously modulated RZ-DQPSK. We transmitted 28×40 Gb/s CRZ-DQPSK channels over 6,550 km with ~2 dB of actual FEC margin, without any PMD compensation.


optical fiber communication conference | 2005

Transmission of 40 Gb/s WDM signals over 6,250 km of conventional NZ-DSF with >4 dB FEC margin

J.-X. Cai; C. R. Davidson; Morten Nissov; Haifeng Li; William T. Anderson; Yi Cai; Li Liu; A. Pilipetskii; D. G. Foursa; Will Patterson; P. C. Corbett; A. Lucero; Neal S. Bergano

We successfully transmitted 18/spl times/40 Gb/s RZ-DPSK channels over 6,250 km of non-slope-matched-fibers with >4 dB FEC margin using dispersion-slope compensators at the receiver. We demonstrated that 40 Gb/s DPSK worked as well as 10 Gb/s RZ-OOK for the same spectral efficiency.


european conference on optical communication | 2013

Nonlinearity Compensation Benefit in High Capacity Ultra-Long Haul Transmission Systems

J.-X. Cai; O. V. Sinkin; Hongbin Zhang; Hussam G. Batshon; M. Mazurczyk; D. G. Foursa; Alexei N. Pilipetskii; Georg Mohs


optical fiber communication conference | 2009

Long-haul Raman/ROPA-assisted EDFA systems

Alan J. Lucero; D. G. Foursa; J.-X. Cai


optical fiber communication conference | 2013

Nonlinear interaction between signal and amplified spontaneous emission in coherent systems

D. G. Foursa; O. V. Sinkin; Alan Lucero; J.-X. Cai; G. Mohs; A. Pilipetskii


european conference on optical communication | 2005

Experimental comparison of 40 Gb/s RZ-, CSRZ-, and NRZ-DPSK modulation formats over non slope-matched fibers

J.-X. Cai; M. Nissov; H. Li; C. R. Davidson; W. Anderson; L. Liu; D. G. Foursa; Alexei N. Pilipetskii; Neal S. Bergano


european conference on optical communication | 2002

40 Gb/s WDM Long-Haul Transmission on Non Slope-Matched Fiber

Georg Mohs; J.-X. Cai; K.E. Golovchenko; M. Nissov; C. R. Davidson; Alexei N. Pilipetskii; H. Li


optical fiber communication conference | 2018

On the Effects of Transmitter Induced Channel Correlation in Broadband WDM Transmission

J.-X. Cai; Y. Hu; Alexey Turukhin; M. Mazurczyk; Milen Paskov; Hussam G. Batshon; C. R. Davidson; M. Bolshtyansky; D. G. Foursa

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William T. Anderson

Florida International University

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