Abstract
In this investigation, we propose and demonstrate a wavelength-tunable self-seeding 1.2 GHz reflective semiconductor optical amplifier (RSOA)-based transmitter in each optical network unit for colorless wavelength-division-multiplexed passive optical network access. The output wavelength of the proposed RSOA-based laser can be tuned in the whole C-band. Here, we apply an orthogonal frequency division multiplexing (OFDM) modulation with bit-loading algorithm on RSOA laser to modulate 3.5 Gbps data rate directly for upstream traffic . In addition, we employ a 2.5 GHz direct modulation laser in the head-end to generate 10 Gbps 16-QAM OFDM signal for downstream traffic. Therefore, after transmitting through 20 km single-mode fiber, power penalties of 1.4 and 2.8 dB are observed for downstream and upstream traffics, respectively, under the forward error correction threshold [bit error rate = 3.8 × 10−3].
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Acknowledgments
This work was supported by the Ministry of Science and Technology, Taiwan, under Grant MOST 103-2218-E-035-011-MY3 and MOST 103-2221-E-009-030-MY3.
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Yeh, C.H., Chow, C.W., Sung, J.Y. et al. Use of RSOA-transmitter for OFDM colorless WDM-PON communication. Opt Quant Electron 48, 256 (2016). https://doi.org/10.1007/s11082-016-0538-6
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DOI: https://doi.org/10.1007/s11082-016-0538-6