Optical 2R regenerator based on passive saturable absorber for 40 Gbit∕s WDM long-haul transmissions

Rouvillain, D.; Brindel, P.; Seguineau, F.; Pierre, Laurent; Leclerc, O.; Choumane, H.; Aubin, G.; Oudar, J

doi:10.1049/el:20020715

Cited by 42 publications

(36 citation statements)

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“…For the RZ format, transmission in conventional single-mode fiber (SMF) suffers primarily from intrachannel FWM, while it is limited by intrachannel XPM in the TrueWave-class of fibers [86,87]. Alloptical 2R regeneration that suppresses the buildup of a low-power background and reduces the amplitude jitter of the carrier pulses is a possible technique for improving the performance of such systems [11,12,[30][31][32][33][34][35][36]39]. When a system performance is mainly degraded by amplitude noise and waveform distortion, virtually unlimited transmission distances are achievable [31][32][33]36].…”

Section: Ultralong-distance 40-gb/s Transmissionmentioning

confidence: 99%

“…This gate is most commonly realized through nonlinear phenomena in semiconductors and optical fibers. The semiconductor-based devices exploiting cross-gain/absorption/phase-modulation in a semiconductor optical amplifier (SOA), a saturable absorber, and an electroabsorption modulator [3][4][5][6][7][8][9][10][11][12][13] are compact in size and probably most suitable for mass production. The operating speed of such devices, however, is often dominated by the carrier life time.…”

Section: Introductionmentioning

confidence: 99%

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Nonlinear loop mirror-based all-optical signal processing in fiber-optic communications

Boscolo

Turitsyn

Blow

2008

Optical Fiber Technology

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All-optical data processing is expected to play a major role in future optical communications. The fiber nonlinear optical loop mirror (NOLM) is a valuable tool in optical signal processing applications. This paper presents an overview of our recent advances in developing NOLM-based all-optical processing techniques for application in fiber-optic communications. The use of in-line NOLMs as a general technique for all-optical passive 2R (reamplification, reshaping) regeneration of return-to-zero (RZ) on-off keyed signals in both high-speed, ultralong-distance transmission systems and terrestrial photonic networks is reviewed. In this context, a theoretical model enabling the description of the stable propagation of carrier pulses with periodic all-optical self-regeneration in fiber systems with in-line deployment of nonlinear optical devices is presented. A novel, simple pulse processing scheme using nonlinear broadening in normal dispersion fiber and loop mirror intensity filtering is described, and its employment is demonstrated as an optical decision element at a RZ receiver as well as an in-line device to realize a transmission technique of periodic all-optical RZ-non-return-to-zero-like format conversion. The important issue of phase-preserving regeneration of phase-encoded signals is also addressed by presenting a new design of NOLM based on distributed Raman amplification in the loop fiber.

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Section: Ultralong-distance 40-gb/s Transmissionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nonlinear loop mirror-based all-optical signal processing in fiber-optic communications

Boscolo

Turitsyn

Blow

2008

Optical Fiber Technology

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“…The SA is very efficient for ER enhancement and "space" noise attenuation. Furthermore, the efficiency of SA coupled with fiber or semiconductor techniques allowing "mark" fluctuations reduction has been demonstrated at 10 and 40 Gb/s [6], [7]. In [8], the authors have shown the enhancement of the ER of a 160-GHz optical pulse train by employing the microcavity-based SA.…”

Section: Introductionmentioning

confidence: 99%

80-Gb/s OTDM System Analysis of a Vertical Microcavity-Based Saturable Absorber for the Enhancement of Pulse Pedestal Suppression

Clarke

Anandarajah

Bramerie

et al. 2007

IEEE Photon. Technol. Lett.

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Abstract-In future high-speed optical time-divisionmultiplexed (OTDM) systems, an important factor that needs to be considered for optical pulse generation schemes is the impact of pulse pedestals on the overall system performance. The results presented in this letter are two-fold; first, the impact due to the height of pulse pedestals in an 80-Gb/s OTDM system are established. Second, a solution is provided to overcome these high pedestal levels through the use of a vertical microcavity saturable absorber, which can significantly reduce the pulse pedestal level and give enhanced system performance.Index Terms-Optical pulse shaping, optical time-division multiplexing (OTDM), pulse generation, saturable absorber (SA).

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“…Overcoming the long (nanosecond) absorption recovery time of such SAs by introducing defects in the MQW region via low-temperature molecular beam epitaxy [2], high-energy ion implantation [3], or Fe-doping [4] is required in order to make such devices usable in high bit-rate transmission systems. Improved system performance has been reported when fast SAs were incorporated at the amplification points [5], [6], while an increase in transmission distance from 1300 to 7600 km for a BER in a 40-Gb/s system was recently demonstrated when the SA was combined with a nonlinear fiber [7]. However, application of SAs in systems with long [8], [9].…”

Section: Introductionmentioning

confidence: 99%

10-Gb/s All-Optical 2R Regeneration Using an MQW Fabry–PÉrot Saturable Absorber and a Nonlinear Fiber

Pantouvaki

Fice

Feced

et al. 2004

IEEE Photon. Technol. Lett.

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Abstract-An all-optical 2R regenerator that consists of an ion implanted InGaAsP multiple-quantum-well saturable absorber, a nonlinear fiber, and an optical filter is presented. Error-free 10-Gb/s transmission over 7000 km of standard fiber with an amplifier spacing of 80 km is demonstrated in a recirculating loop experiment.Index Terms-2R regeneration, ion implantation, nonlinear optics, optical communication, optical signal processing, quantum-well devices, saturable absorbers (SAs).

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Optical 2R regenerator based on passive saturable absorber for 40 Gbit∕s WDM long-haul transmissions

Cited by 42 publications

References 1 publication

Nonlinear loop mirror-based all-optical signal processing in fiber-optic communications

Nonlinear loop mirror-based all-optical signal processing in fiber-optic communications

80-Gb/s OTDM System Analysis of a Vertical Microcavity-Based Saturable Absorber for the Enhancement of Pulse Pedestal Suppression

10-Gb/s All-Optical 2R Regeneration Using an MQW Fabry–PÉrot Saturable Absorber and a Nonlinear Fiber

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