Performance characterization of components with phase ripple for different 40 Gb/s formats

Bissessur, H.; Bastide, C.; Hugbart, A.

doi:10.1109/ofc.2006.216021

Cited by 10 publications

(5 citation statements)

References 5 publications

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“…This indicates that optimizing the residual dispersion can be used to reduce the PR associated penalty [8], [10]. In deployed systems, this would require per-channel tunable dispersion compensation at the receiver, for example, through the use of a thermally tuned FBG [6]. In the absence of PR impairments, the residual dispersion would normally be close to zero [9].…”

Section: Resultsmentioning

confidence: 99%

“…Improved fabrication processes have, however, gradually reduced the GDR of state-of-the-art slope-matched FBGs [4], such that for 10.7-Gb/s transmission FBG-based in-line dispersion compensation is an appealing alternative to DCF, up to approximately 2000 km [5]. For future link upgrades (e.g., from 10.7 to 42.8 Gb/s per wavelength-division-multiplexing (WDM) channel), the FBGinduced penalty can still be a key concern since the higher line rate increases the associated penalty [6]. The FBG peak-to-peak ripple amplitude is a much larger fraction of the bit period for 42.8-Gb/s modulated signals in comparison to 10.7-Gb/s modulation.…”

Section: 8-gb/s Rz-dqpsk Transmission With Fbg-based In-line Dispementioning

confidence: 99%

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42.8-Gb/s RZ-DQPSK Transmission With FBG-Based In-Line Dispersion Compensation

Borne

Veljanovski²,

Gaubatz³

et al. 2007

IEEE Photon. Technol. Lett.

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Section: Resultsmentioning

confidence: 99%

Section: 8-gb/s Rz-dqpsk Transmission With Fbg-based In-line Dispementioning

confidence: 99%

42.8-Gb/s RZ-DQPSK Transmission With FBG-Based In-Line Dispersion Compensation

Borne

Veljanovski²,

Gaubatz³

et al. 2007

IEEE Photon. Technol. Lett.

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“…Recently [6][7][8][9][10] it has been suggested that an estimate based on the phase ripple for the fiber grating will give a better value compared to an estimate based on the group-delay ripple. Recently [6][7][8][9][10] it has been suggested that an estimate based on the phase ripple for the fiber grating will give a better value compared to an estimate based on the group-delay ripple.…”

Section: Estimating Eye-opening Penaltymentioning

confidence: 99%

“…This question has interested a number of author [1][2][3][4][5][6][7][8][9][10]. This fact has led to following question: To what extent can this ripple be tolerated in a system environment?…”

Section: Introductionmentioning

confidence: 99%

Estimating Eye-opening Penalty with Aid of the Ripple Function of Fiber Bragg-gratings

Djupsjöbacka¹,

Mårtensson²,

Berntson³

et al. 2007

Journal of Optical Communications

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We investigate six different methods presented in literature to estimate eye-opening penalty for dispersion-compensating fiber Bragg gratings with aid of the grating's ripple function. The investigation is based on theoretical ripple functions as well on measurement results of three continuously chirped gratings. The gratings in question offer full wavelength coverage between 1530 nm and 1565 nm. We will show that the eye-opening penalty depends on the phase and frequency of the grating's ripple function as well as to pattern length and to pulse form of the signal used. Since the estimation methods do not account for these properties, their accuracy is shown to be limited.

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“…In recent years, the influence of FBG-induced GDR in higher than 10 Gbit/s systems with direct or differential detection has been extensively investigated by means of simulations with respect to various modulation formats, for instance, on/off keying (OOK), differential phase shift keying (DSPK), and return-to-zero (RZ) [2,3,6]. A similar investigation of a 40 Gbit/s binary DPSK system has also been experimentally conducted as a function of the GDR presented in the system [4].…”

Section: Introductionmentioning

confidence: 99%

Influence of Fiber-Bragg Grating-Induced Group-Delay Ripple in High-Speed Transmission Systems

Tipsuwannakul

Eriksson

et al. 2012

J. Opt. Commun. Netw.

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The implementation of a chirped fiber-Bragg grating (FBG) for dispersion compensation in high-speed (up to 120 Gbit/s) transmission systems with differential and coherent detection is, for the first time, experimentally investigated. For systems with differential detection, we examine the influence of group-delay ripple (GDR) in 40 GBd 2-, 4-, and 8-ary differential phase shift keying (DPSK) systems. Furthermore, we conduct a nonlinear-tolerance comparison between the systems implementing dispersion-compensating fibers and FBG modules, using a 5 × 80 Gbit/s 100-GHz-spaced wavelength division multiplexing 4-ary DPSK signal. The results show that the FBG-based system provides a 2 dB higher optimal launch power, which leads to more than 3 dB optical signal-to-noise ratio (OSNR) improvement at the receiver. For systems with coherent detection, we evaluate the influence of GDR in a 112 Gbit/s dual-polarization quadrature phase shift keying system with respect to signal wavelength. In addition, we demonstrate that, at the optimal launch power, the 112 Gbit/s systems implementing FBG modules and that using electronic dispersion compensation provide similar performance after 840 km transmission despite the fact that the FBG-based system delivers lower OSNR at the receiver. Lastly, we quantify the GDR mitigation capability of a digital linear equalizer in the 112 Gbit/s coherent systems with respect to the equalizer tap number (N tap). The results indicate that at least N tap = 9 is required to confine Q-factor variation within 1 dB.

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Performance characterization of components with phase ripple for different 40 Gb/s formats

Abstract: We investigate the relation betxveen component phase ripple alnd system penalty by measunng the OSNR penalties xvith 40 Gb/s NRZ, RZ and CSRZ formats, and discuss the best estimator for the penalty.

Cited by 10 publications

References 5 publications

42.8-Gb/s RZ-DQPSK Transmission With FBG-Based In-Line Dispersion Compensation

42.8-Gb/s RZ-DQPSK Transmission With FBG-Based In-Line Dispersion Compensation

Estimating Eye-opening Penalty with Aid of the Ripple Function of Fiber Bragg-gratings

Influence of Fiber-Bragg Grating-Induced Group-Delay Ripple in High-Speed Transmission Systems

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