10 Gb/s RSOA transmission by direct duobinary modulation

Omella, M.; Polo, Víctor; Lazaro, Jose A.; Schrenk, Bernhard; Prat, Josep

doi:10.1109/ecoc.2008.4729225

Cited by 33 publications

(16 citation statements)

References 3 publications

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“…RSOA devices have limited electro-optical (E/O) bandwidth between 1 to 2 GHz (Omella et al, 2008) compared to laser devices usually between 8 to 10 GHz. The difference can be Length (µm)…”

Section: Modulation Characteristics and Performancesmentioning

confidence: 99%

Next Generation of Optical Access Network Based on Reflective-SOA

Valicourt¹

2012

Selected Topics on Optical Amplifiers in Present Scenario

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“…RSOA devices have limited electro-optical (E/O) bandwidth between 1 to 2 GHz (Omella et al, 2008) compared to laser devices usually between 8 to 10 GHz. The difference can be Length (µm)…”

Section: Modulation Characteristics and Performancesmentioning

confidence: 99%

Next Generation of Optical Access Network Based on Reflective-SOA

Valicourt¹

2012

Selected Topics on Optical Amplifiers in Present Scenario

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“…Thus, there have been several attempts to overcome this problem by using two different approaches. One approach utilises electronic equalisation to compensate for the limited modulation bandwidth of RSOA [2], while the other approach compresses the signal by using the advanced modulation formats such as direct duo-binary modulation [3] and orthogonalfrequency-division-multiplexing [4]. However, we note that there has been no report utilising both of these methods together.…”

Section: Introductionmentioning

confidence: 97%

Enhanced chromatic dispersion tolerance of 11 Gbit/s RSOA-based WDM PON using 4-ary PAM signal

2010

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For the cost-effective realisation of the next-generation wavelengthdivision-multiplexed passive optical network (WDM PON), the possibility is evaluated of using the 4-ary pulse-amplitude-modulated (PAM) signal for the high-speed (.10 Gbit/s) operation of the TOcan packaged reflective semiconductor optical amplifier (RSOA) having a 3 dB bandwidth of only about 2.2 GHz. The results show that, owing to the compact spectrum of the 4-ary PAM signal, the deleterious effects of this limited bandwidth as well as the sensitivity degradations caused by the chromatic dispersion can be significantly alleviated. As a result, an error-free transmission of 11 Gbit/s, 4-ary PAM signal over 20 km of singlemode fibre can be demonstrated. Introduction:The wavelength-division-multiplexed passive optical network (WDM PON) has been considered as an attractive candidate for next-generation broadband access networks. However, it is not easy to increase the operating speed of the WDM PON to .10 Gbit/s cost-effectively owing to the slow responses of the colourless light sources used at the optical network units (ONUs) such as the reflective semiconductor optical amplifier (RSOA) [1]. Thus, there have been several attempts to overcome this problem by using two different approaches. One approach utilises electronic equalisation to compensate for the limited modulation bandwidth of RSOA [2], while the other approach compresses the signal by using the advanced modulation formats such as direct duo-binary modulation [3] and orthogonalfrequency-division-multiplexing [4]. However, we note that there has been no report utilising both of these methods together. In addition, in the case of using the extremely bandwidth-limited light sources for the high-speed (.10 Gbit/s) operations, the maximum reach of the WDM PON can be severely limited by chromatic dispersion (CD) [5]. In this Letter, we demonstrate the 11 Gbit/s WDM PON by utilising both the electronic equalisation and the 4-ary pulse-amplitudemodulated (PAM) signal. The results show that we can substantially improve the CD tolerance and extend the transmission distance to .20 km.

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“…As RSOA-IMs have the advantages including colourlessness, compactness, low power dissipation, large-scale monolithic integration capability and simultaneous functionalities of signal modulation and amplification [10][11][12][13][14][15], over the past several years, extensive experimental investigations of the performance of RSOA-IM-based OOFDM PONs have been reported using offline DSP, leading to the achievement of 13 Gb/s OOFDM transmissions over 20 km standard single-mode fibres (SSMFs) in wavelength division multiplexing (WDM) OOFDM PONs [16,17].…”

Section: Introductionmentioning

confidence: 99%