Sethumadhavan Chandrasekhar
Sethumadhavan Chandrasekhar
Retired Nokia Bell Labs
Verified email at
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Integrated lithium niobate electro-optic modulators operating at CMOS-compatible voltages
C Wang, M Zhang, X Chen, M Bertrand, A Shams-Ansari, ...
Nature 562 (7725), 101-104, 2018
2.5 Tb/s (64/spl times/42.7 Gb/s) transmission over 40/spl times/100 km NZDSF using RZ-DPSK format and all-Raman-amplified spans
AH Gnauck, G Raybon, S Chandrasekhar, J Leuthold, C Doerr, L Stulz, ...
Optical Fiber Communication Conference and Exhibit, FC2-FC2, 2002
Transmission of a 1.2-Tb/s 24-carrier no-guard-interval coherent OFDM superchannel over 7200-km of ultra-large-area fiber
S Chandrasekhar, X Liu, B Zhu, DW Peckham
2009 35th European Conference on Optical Communication 2009, 1-2, 2009
Phase-conjugated twin waves for communication beyond the Kerr nonlinearity limit
X Liu, AR Chraplyvy, PJ Winzer, RW Tkach, S Chandrasekhar
Nature Photonics 7 (7), 560-568, 2013
112-Tb/s space-division multiplexed DWDM transmission with 14-b/s/Hz aggregate spectral efficiency over a 76.8-km seven-core fiber
B Zhu, TF Taunay, M Fishteyn, X Liu, S Chandrasekhar, MF Yan, JM Fini, ...
Optics Express 19 (17), 16665-16671, 2011
Monolithic Silicon Photonic Integrated Circuits for Compact 100 Gb/s Coherent Optical Receivers and Transmitters
P Dong, X Liu, S Chandrasekhar, LL Buhl, R Aroca, YK Chen
IEEE Journal of Selected Topics in Quantum Electronics 20 (4), 150-157, 2014
448-Gb/s reduced-guard-interval CO-OFDM transmission over 2000 km of ultra-large-area fiber and five 80-GHz-grid ROADMs
X Liu, S Chandrasekhar, B Zhu, PJ Winzer, AH Gnauck, DW Peckham
Journal of lightwave technology 29 (4), 483-490, 2011
32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber
R Ryf, S Randel, NK Fontaine, M Montoliu, E Burrows, S Corteselli, ...
Optical fiber communication conference, PDP5A. 1, 2013
Generation and 1,200-km transmission of 448-Gb/s ETDM 56-Gbaud PDM 16-QAM using a single I/Q modulator
PJ Winzer, AH Gnauck, S Chandrasekhar, S Draving, J Evangelista, ...
36th European Conference and Exhibition on Optical Communication, 1-3, 2010
Spectrally efficient long-haul WDM transmission using 224-Gb/s polarization-multiplexed 16-QAM
AH Gnauck, PJ Winzer, S Chandrasekhar, X Liu, B Zhu, DW Peckham
journal of lightwave technology 29 (4), 373-377, 2011
Experimental investigation on the performance of closely spaced multi-carrier PDM-QPSK with digital coherent detection
S Chandrasekhar, X Liu
Optics express 17 (24), 21350-21361, 2009
100-Gb/s DQPSK transmission: From laboratory experiments to field trials
PJ Winzer, G Raybon, H Song, A Adamiecki, S Corteselli, AH Gnauck, ...
Journal of Lightwave Technology 26 (20), 3388-3402, 2008
Demonstration of 42.7-Gb/s DPSK receiver with 45 photons/bit sensitivity
AH Gnauck, S Chandrasekhar, J Leuthold, L Stulz
IEEE Photonics Technology Letters 15 (1), 99-101, 2003
Monolithic polarization and phase diversity coherent receiver in silicon
CR Doerr, PJ Winzer, YK Chen, S Chandrasekhar, MS Rasras, L Chen, ...
Journal of lightwave technology 28 (4), 520-525, 2010
OFDM based superchannel transmission technology
S Chandrasekhar, X Liu
Journal of lightwave technology 30 (24), 3816-3823, 2012
Simple multichannel optical equalizer mitigating intersymbol interference for 40-Gb/s nonreturn-to-zero signals
CR Doerr, S Chandrasekhar, PJ Winzer, AR Chraplyvy, AH Gnauck, ...
Journal of lightwave technology 22 (1), 249-256, 2004
High-speed monolithic pin/HBT and HPT/HBT photoreceivers implemented with simple phototransistor structure
S Chandrasekhar, LM Lunardi, AH Gnauck, RA Hamm, GJ Qua
IEEE photonics technology letters 5 (11), 1316-1318, 1993
100-Gb/s discrete-multitone transmission over 80-km SSMF using single-sideband modulation with novel interference-cancellation scheme
S Randel, D Pilori, S Chandrasekhar, G Raybon, P Winzer
2015 European Conference on Optical Communication (ECOC), 1-3, 2015
Space-, wavelength-, polarization-division multiplexed transmission of 56-Tb/s over a 76.8-km seven-core fiber
B Zhu, TF Taunay, M Fishteyn, X Liu, S Chandrasekhar, MF Yan, JM Fini, ...
Optical Fiber Communication Conference, PDPB7, 2011
Impact of filtering on RZ-DPSK reception
PJ Winzer, S Chandrasekhar, H Kim
IEEE photonics technology letters 15 (6), 840-842, 2003
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