N. Ramanujam

TE SubCom (United States) — United States

Engineering · Physical Sciences

7h-index132citations14works0.02yr avg
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Research Topics

Photonic and Optical Devices(9), Optical Network Technologies(6), Semiconductor Lasers and Optical Devices(6), Photorefractive and Nonlinear Optics(4), Advanced Fiber Optic Sensors(3)

Publications14 total

640 Gb/s transmission of sixty-four 10 Gb/s WDM channels over 7200 km with 0.33 (bits/s)/Hz spectral efficiency
2003· 29 cited
Performance limit of forward error correction codes in optical fiber communications
2002· 15 cited
1800 Gb/s transmission of one hundred and eighty 10 Gb/s WDM channels over 7000 km using the full EDFA C-band
2002· 30 cited
32×20 Gb/s transmission over trans-Atlantic distance (6200 km) with 31% spectral efficiency
2002· 8 cited
Performance improvement in high capacity, ultra-long distance, WDM systems using forward error correction codes
2002· 21 cited
Performance Limit of Forward Error Correction Codes in Optical Fiber Communications
Optical Fiber Communication Conference and International Conference on Quantum Information·2001· 6 cited
A Novel Design Technique for Mode Control in Multilayer Waveguides
Integrated Photonics Research·2000
Analysis and design of optical guided-wave devices for quasi-phasematched second harmonic generation and Bragg deflection
UA Campus Repository (The University of Arizona)·1997
Optimizing KTP and LiTaO/sub 3/ channel waveguides for quasi-phase-matched second harmonic generation with high conversion efficiency
IEEE Journal of Quantum Electronics·1997· 13 cited
<title>Ferroelectric channel waveguides with high SHG conversion efficiency and noncritical phase-matching characteristics</title>
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·1996
Determination of the truncation order and numerical window for modeling general dielectric waveguides by the Fourier method
Journal of Lightwave Technology·1996· 9 cited
ination of the Truncation rder and erica1 Window for odeling General ielectric Waveguides by the Fourier
1996
Guided Wave Deflectors Using Gratings with Slowly-Varying Groove Depth for Beam Shaping
1995· 1 cited
Gratings and waveguides
NASA Technical Reports Server (NASA)·1993Open Access

Frequent Co-authors

James J. Burke(7), A. Puc(5), Lifeng Li(5), A. N. Pilipetskiǐ(4), B. Pedersen(4), Carl Davidson(3), M. Nissov(3), H.D. Kidorf(3), M.A. Mills(3), J.-X. Cai(3), C. Rivers(3), Neal S. Bergano(3), M.I. Hayee(2), P.C. Corbett(2), R. Menges(2), C.J. Chen(2), Yi Cai(2), Joel Morris(2), Tülay Adalı(2), G. Lenner(2)