-
O Bertran-Pardo, J Renaudier,
H Mardoyan,
P Tran,
F Vacondio,
M Salsi,
G Charlet,
S Bigo,
A Konczykowska,
J I Dupuy,
others
Optical Fiber Communication Conference; 01/2012
-
J Renaudier,
O Bertran-Pardo,
H Mardoyan,
P Tran,
G Charlet,
S Bigo,
A Konczykowska,
J I Dupuy,
F Jorge,
M Riet,
others
Optical Fiber Communication Conference; 01/2012
-
[show abstract]
[hide abstract]
ABSTRACT: The first transoceanic WDM transmission at 200 Gbit/s, using PDM-QPSK, coherent detection, ultra-low-loss large effective area fibre and erbium-doped fibre amplifiers is demonstrated.
Electronics Letters 09/2011; · 0.96 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We investigate the impact of the transmitter bandwidth on the nonlinear tolerance in a 112-Gb/s polarization-division-multiplexed quaternary phase-shift keying system with coherent detection over a 1200-km dispersion-managed link using standard single-mode fiber. We show that a narrower transmitter bandwidth degrades not only the noise tolerance, but also exacerbates signal degradations due to nonlinearities both in single channel and in wavelength-division-multiplexed configuration. A nonlinear threshold difference of approximately 1 dB is observed.
IEEE Photonics Technology Letters 01/2011; · 2.19 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We report on the interplay between PMD and nonlinearities experienced by polarization-multiplexed signals detected with a coherent receiver. An experimental analysis over 2000 random draws of PMD conditions over an SSMF link shows that PMD can improve significantly system performance.
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on; 10/2010
-
[show abstract]
[hide abstract]
ABSTRACT: We investigate the impact of tight filtering and WDM crosstalk on the performance of 100Gb/s coherent PDM-QPSK over a terrestrial transmission link. We show that packing 100G PDM-QPSK channels into a 33GHz-grid yields moderate penalties compared to a standard 50GHz-grid.
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on; 10/2010
-
[show abstract]
[hide abstract]
ABSTRACT: We propose a novel model for core optical networks combining benefits of transparent and opaque networks through variable channel spacing. We demonstrate increased capacity at limited energy cost through detailed transmission experiments and network planning.
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on; 10/2010
-
[show abstract]
[hide abstract]
ABSTRACT: We experimentally compare 40Gbit/s PDM-BPSK and 40Gbit/s PDM-QPSK over a typical terrestrial dispersion-managed link. We demonstrate twice as large reach for PDM-BPSK and we evaluate the impact of 10Gbit/s NRZ neighboring channels.
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on; 10/2010
-
[show abstract]
[hide abstract]
ABSTRACT: We investigate the potential of 100 Gb/s polarization division multiplexed (PDM-) quadrature phase shift keying (QPSK) paired with coherent detection to enable the future capacity upgrade of current networks designed for 10 Gb/s nonreturn to zero (NRZ) on-off keying data. We experimentally assess the tolerance to nonlinear effects of such a solution over optical systems based on low chromatic dispersion fibres. We particularly study the performance penalties brought by copropagating channels (either PDM-QPSK or 10 Gb/s NRZ) onto 100 Gb/s PDM-QPSK data, in which both polarisation tributaries are over-modulated with return-to-zero and temporally interleaved by half a symbol period. Besides, we investigate one option to overcome these limitations: introducing band-gaps in the multiplex.
Global Telecommunications Conference, 2009. GLOBECOM 2009. IEEE; 01/2010
-
[show abstract]
[hide abstract]
ABSTRACT: In the perspective of smooth capacity upgrades of legacy systems, we experimentally investigate the performance of one 100-Gb/s coherent polarization-division-multiplexed quaternary-phase-shift-keying (PDM-QPSK) channel inserted in a 10-Gb/s ultra-long-haul (ULH) wavelength-division-multiplexing system relying on nonzero dispersion-shifted fibers. The impact of copropagating 10-Gb/s nonreturn-to-zero (NRZ) channels operating ULH distances onto the operational power range of the inserted 100-Gb/s coherent PDM-QPSK channel is analyzed. Moreover, the performance penalties brought by copropagating 10-Gb/s NRZ channels onto 100-Gb/s PDM-QPSK data are also analyzed depending on the number of channels in the multiplex and on the introduction of guardbands between both type of channels.
IEEE Photonics Technology Letters 01/2010; · 2.19 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We demonstrate the transmission of 26 channels at 100 Gb/s (corresponding to a total capacity of 2.6 Tb/s) over a 401-km-long unrepeatered link with a spectral efficiency of 2 b/s/Hz. This is obtained thanks to the association of polarization-division-multiplexed quadrature phase-shift keying signals detected in a coherent receiver and an optimized amplification scheme, consisting in high-power booster and third-order remote optically pumped amplifier.
IEEE Photonics Technology Letters 01/2010; · 2.19 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We experimentally compare 100 Gb/s PDM-QPSK in single-carrier and dual-carrier configuration over 800 km of NZ-DSF fibre. Using 40 Gb/s P-DPSK and 10 Gb/s OOK neighbours the lower tolerance to nonlinear effects of the dual-carrier solution is demonstrated.
Optical Communication, 2009. ECOC '09. 35th European Conference on; 10/2009
-
[show abstract]
[hide abstract]
ABSTRACT: We experimentally analyze WDM nonlinear impairments brought by co-propagating 10 Gb/s NRZ channels onto a 100 Gb/s PDM-QPSK channel. The PDM-QPSK channel can experience strong nonlinear interactions even from co-propagating channels located far away in the multiplex.
Optical Communication, 2009. ECOC '09. 35th European Conference on; 10/2009
-
[show abstract]
[hide abstract]
ABSTRACT: We demonstrate, over a NZDSF link, that the system benefits provided by the temporal interleaving of polarization tributaries of 100 Gb/s coherent RZ-PDM-QPSK data depend on the WDM system configuration.
Optical Communication, 2009. ECOC '09. 35th European Conference on; 10/2009
-
[show abstract]
[hide abstract]
ABSTRACT: We report on the performance of 100 Gb/s coherent non return-to- zero (NRZ-) polarization division multiplexed (PDM-) quadrature phase shift keying (QPSK) transmission over 16 x 100 km of standard single mode fibre under constraints of typical transparent terrestrial networks, employing Erbium-Doped Fibre Amplifiers. We first evaluate the impact of cross non linear effects onto the performance of 100 Gb/s coherent PDM-QPSK signals and we investigate the impact of shifting one of the polarization multiplexed tributaries by half a symbol duration with respect to the other one. Finally we show that this solution is robust against channel-to-channel cross-talk from transparent nodes and does not suffer from performance degradation stemming from co-propagating 40 Gb/s channels.
Optics Express 04/2009; 17(7):5112-9. · 3.59 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We report on the performance of 100Gb/s coherent non return-to-zero (NRZ-) polarization division multiplexed (PDM-) quadrature phase shift keying (QPSK) transmission over 16x100km of standard single mode fibre under constraints of typical transparent terrestrial networks, employing Erbium-Doped Fibre Amplifiers. We first evaluate the impact of cross non linear effects onto the performance of 100Gb/s coherent PDM-QPSK signals and we investigate the impact of shifting one of the polarization multiplexed tributaries by half a symbol duration with respect to the other one. Finally we show that this solution is robust against channel-to-channel cross-talk from transparent nodes and does not suffer from performance degradation stemming from co-propagating 40Gb/s channels.
Optics Express 03/2009; 17(7):5112-5119. · 3.59 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We investigate experimentally the tolerance to polarization-mode dispersion (PMD) of 100-Gb/s polarization- division-multiplexing quaternary phase-shift keying systems under nonlinear impairments. We show that nonlinear effects decrease the robustness of the system against PMD. Moreover, we study the dependence of this robustness on the complexity of the receiver.
IEEE Photonics Technology Letters 02/2009; · 2.19 Impact Factor
-
[show abstract]
[hide abstract]
ABSTRACT: We report in this letter on a 100-Gb/s spectrally efficient transmission over 16 x 100 km of standard single-mode fiber employing erbium-doped fiber amplifiers. We feed it with polarization-division-multiplexed quadrature phase-shift keying signals with 50% return-to-zero carving which we recover with coherent detection. We evaluate the impact of interleaving the polarization-multiplexed tributaries onto the tolerance to nonlinearities and we discuss in particular the benefit of this interleaving when nonlinear effects interact with polarization-mode-dispersion related impairments.
IEEE Photonics Technology Letters 01/2009; · 2.19 Impact Factor
-
Opt. Express. 01/2009; 17(7):5112-5119.
-
Journal of Lightwave Technology 01/2009; 27(3):153-157. · 2.78 Impact Factor
