Up to 10.7-Gb/s High-PDG RSOA-Based Colorless Transmitter for WDM Networks

Marazzi, L.; Parolari, P.; Brunero, M.; Gatto, Alberto; Martinelli, Mario; Brenot, R.; Barbet, S.; Galli, P.; Gavioli, G.

doi:10.1109/lpt.2013.2243138

Cited by 36 publications

(31 citation statements)

References 14 publications

(17 reference statements)

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“…Therefore, the RSOA will be unable to efficiently suppress the residual modulation and noise. As a consequence the RIN will be higher and the SNR is degraded [47]. The second explanation based on [48] is that in case of highly multimode sources, increasing the number of modes (in this case wider filter) will distribute the noise over the multiple modes thus lowering the noise spectral density and RIN.…”

Section: Rsoa-fcl Performancementioning

confidence: 99%

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Bit- and Power-Loading—A Comparative Study on Maximizing the Capacity of RSOA Based Colorless DMT Transmitters

et al. 2017

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Abstract:We present a comparative study of the capacity increase brought by bit-and power-loading discrete multi-tone (DMT) modulation for low-cost colorless transmitters. Three interesting reflective semiconductor optical amplifier (RSOA) based colorless transmitter configurations are compared: First, an amplified spontaneous emission (ASE) spectrum-sliced source; second, a self-seeded RSOA fiber cavity laser (FCL) and third, an externally seeded RSOA. With bit-and power-loaded DMT, we report record high line rates of 6.25, 20.1 and 30.7 Gbit/s and line rates of 4.17, 10.1 and 24.5 Gbit/s in a back-to-back and in a 25 km nonzero dispersion shifted fiber (NZDSF) transmission experiments for the three transmitter configurations, respectively. In all the experiments, BER (bit error ratios) below an FEC (forward error correction) limit of 7.5 × 10 −3 were achieved.

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Section: Rsoa-fcl Performancementioning

confidence: 99%

“…0.6 nm filter cavity has peak SNR which is~5 dB lower than that of the 2 nm one. One explanation for the SNR degradation with narrower filters would be that a narrower filter leads to higher losses [47]. For example, at 100 mA, the reflected power into the RSOA was~−6 dBm and~−2 dBm for the 0.6 and 2 nm filters, respectively.…”

Section: Rsoa-fcl Performancementioning

confidence: 99%

Bit- and Power-Loading—A Comparative Study on Maximizing the Capacity of RSOA Based Colorless DMT Transmitters

et al. 2017

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“…RSOAs are finding applications as low-cost upstream transmitters within PONs [5]- [6], [10]; therefore targeting accurate, yet simple, models that describe their behavior is a laudable goal for system analysis simulations. In general, the output power characteristics of reflective amplifiers differ from single pass amplifiers in that a maximum output power is reached at a certain input power [11], and this was shown experimentally and numerically for RSOAs [10], [12].…”

Section: Reflective Soasmentioning

confidence: 99%

“…Very recently, models of reflective SOAs (RSOA) have emerged, [3] [4], mainly driven by RSOA exploitation within passive optical networks (PON) [5], [6]. Reduced (or lumped) SOA models, [1]- [3], allow for solving the gain and refractive index dynamics without having to solve computationally intensive propagation equations as was done in [4].…”

Section: Introductionmentioning

confidence: 99%

Improved reduced models for single-pass and reflective semiconductor optical amplifiers

Dúill¹,

Barry²

2015

Optics Communications

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Abstract-We present highly accurate and easy to implement, improved lumped semiconductor optical amplifier (SOA) models for both single-pass and reflective semiconductor optical amplifiers (RSOA). The key feature of the model is the inclusion of the internal losses and we show that a few subdivisions are required to achieve an accuracy of 0.12 dB. For the case of RSOAs, we generalize a recently published model to account for the internal losses that are vital to replicate observed RSOA behavior. The results of the improved reduced RSOA model show large overlap when compared to a full bidirectional travelling wave model over a 40 dB dynamic range of input powers and a 20 dB dynamic range of reflectivity values. The models would be useful for the rapid system simulation of signals in communication systems, i.e. passive optical networks that employ RSOAs, signal processing using SOAs and for implementing digital back propagation to undo amplifier induced signal distortions.

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“…We believe this question is answered with what is called the self-seeded RSOA-FCL transmitter shown in Figure 1b [3,[17][18][19][20]. In contrast to the externally seeded scheme, the RSOA-FCL does not need extra laser sources.…”

Section: Introductionmentioning

confidence: 99%

Self-Seeded RSOA-Fiber Cavity Lasers vs. ASE Spectrum-Sliced or Externally Seeded Transmitters—A Comparative Study

et al. 2015

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Reflective semiconductor optical amplifier fiber cavity lasers (RSOA-FCLs) are appealing, colorless, self-seeded, self-tuning and cost-efficient upstream transmitters. They are of interest for wavelength division multiplexed passive optical networks (WDM-PONs) based links. In this paper, we compare RSOA-FCLs with alternative colorless sources, namely the amplified spontaneous emission (ASE) spectrum-sliced and the externally seeded RSOAs. We compare the differences in output power, signal-to-noise ratio (SNR), relative intensity noise (RIN), frequency response and transmission characteristics of these three OPEN ACCESSAppl. Sci. 2015Sci. , 5 1923 sources. It is shown that an RSOA-FCL offers a higher output power over an ASE spectrum-sliced source with SNR, RIN and frequency response characteristics halfway between an ASE spectrum-sliced and a more expensive externally seeded RSOA. The results show that the RSOA-FCL is a cost-efficient WDM-PON upstream source, borrowing simplicity and cost-efficiency from ASE spectrum slicing with characteristics that are, in many instances, good enough to perform short-haul transmission. To substantiate our statement and to quantitatively compare the potential of the three schemes, we perform data transmission experiments at 5 and 10 Gbit/s.

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Up to 10.7-Gb/s High-PDG RSOA-Based Colorless Transmitter for WDM Networks

Cited by 36 publications

References 14 publications

Bit- and Power-Loading—A Comparative Study on Maximizing the Capacity of RSOA Based Colorless DMT Transmitters

Bit- and Power-Loading—A Comparative Study on Maximizing the Capacity of RSOA Based Colorless DMT Transmitters

Improved reduced models for single-pass and reflective semiconductor optical amplifiers

Self-Seeded RSOA-Fiber Cavity Lasers vs. ASE Spectrum-Sliced or Externally Seeded Transmitters—A Comparative Study

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