Abstract

We demonstrate a cost-effective, 10-Gb/s full-duplex wavelength-division-multiplexed passive optical network over 20 km single-feeder fiber using a single light source per optical network unit (ONU). We exploit a directly modulated laser (DML) and a reflective semiconductor optical amplifier (RSOA) for downlink and uplink, respectively. In this system, a nonreturn-to-zero (NRZ) downstream signal is first frequency up-converted to around 20 GHz before being fed to a DML for downstream transmission. After transmission over the feeder fiber, a portion of the downstream signal is detected at the ONU and the other portion is fed to the RSOA as seed light. The RSOA is directly modulated by a 10-Gb/s NRZ signal for upstream transmission. To overcome the bandwidth limitation of the directly modulated RSOA, we employ an optical delay interferometer at the upstream receiver. The passive optical device acts as an optical equalizer and enables the 10-Gb/s upstream signal to be accommodated with a 1.3-GHz-bandwith RSOA. We investigate through experiment the crosstalk between the downstream and upstream signals as a function of the downstream subcarrier frequency. Also investigated in this paper is the nonlinear frequency mixing of the downstream and upstream signals in the RSOA.

© 2012 IEEE

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  1. U. Hilbk, T. Hermes, J. Saniter, F.-J. Westphal, "High capacity WDM overlay on a passive optical network," Electron. Lett. 32, 2162-2163 (1996).
  2. P. Healey, P. Townsend, C. Ford, L. Johnston, P. Townley, I. Lealman, L. Rivers, S. Perrin, R. Moore, "Spectral slicing WDM-PON using wavelength-seeded reflective SOAs," Electron. Lett. 37, 1181-1182 (2001).
  3. E. Wong, K. L. Lee, T. B. Anderson, "Directly modulated self-seeding reflective semiconductor optical amplifiers as colorless transmitters in wavelength division multiplexed passive optical networks," J. Lightw. Technol. 25, 67-74 (2007).
  4. Y. Takushima, K. Y. Cho, Y. C. Chung, "Design issues in RSOA-based WDM PON," Proc. IEEE Photon. Global Conf. (2008) pp. C-34-C-37.
  5. G. Valicourt, D. Make, C. Fortin, A. Enard, F. V. Dijk, R. Brenot, "10-Gbit/s modulation of reflective SOA without any electronic processing," Proc. Opt. Fiber Commun. Conf. (2011).
  6. M. Omella, V. Polo, J. Lazaro, B. Schrenk, J. Prat, "10-Gb/s RSOA transmission by direct duobinary modulation," Proc. Eur. Conf. Opt. Commun. (2008).
  7. T. Duong, N. Genay, P. Chanclou, B. Charbonnier, A. Pizziant, R. Brenot, "Experimental demonstration of 10-Gbit/s upstream transmission by remote modulation of 1 GHz RSOA using adaptively modulated optical OFDM for WDM-PON single fiber architecture," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.
  8. J. Wei, E. Hugues-Salas, R. Giddings, X. Jin, X. Zheng, S. Mansoor, J. Tang, "Wavelength reused bidirectional transmission of adaptively modulated optical OFDM signals in WDM-PONs incorporating SOA and RSOA intensity modulators," Opt. Exp. 18, 9791-9808 (2010).
  9. K. Y. Cho, Y. Takushima, Y. C. Chung, "Enhanced chromatic dispersion tolerance of 11-Gb/s RSOA-based WDM PON using 4-ary PAM signal," Electron. Lett. 46, 1510-1512 (2010).
  10. K. Y. Cho, Y. Takushima, Y. C. Chung, "10-Gb/s operation of RSOA for WDM PON," IEEE Photon. Technol. Lett. 20, 1533-1535 (2008).
  11. A. Agata, Y. Horiuchi, "RSOA-based 10G WDM PON using FEC and MLSE equalizers," Proc. Opt. Fiber Commun. Conf. (2010).
  12. Q. Guo, A. V. Tran, C.-J. Chae, "10-Gb/s WDM-PON based on low-bandwidth RSOA using partial response equalization," IEEE Photon. Technol. Lett. 23, 1442-1444 (2011).
  13. I. Papagiannakis, M. Omella, D. Klonidis, A. Birbas, J. Kikidis, I. Tomkos, J. Prat, "Investigation of 10-Gb/s RSOA-based upstream transmission in WDM-PONs utilizing optical filtering and electronic equalization," IEEE Photon. Technol. Lett. 20, 2168-2170 (2008).
  14. H. Kim, "10-Gb/s operation of RSOA using a delay interferometer," IEEE Photon. Technol. Lett. 22, 1379-1381 (2010).
  15. W. Lee, M. Park, S. Cho, J. Lee, C. Kim, G. Jeong, B. Kim, "Bidirectional WDM-PON based on gain-saturated reflective semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 17, 2460-2462 (2005).
  16. T.-Y. Kim, S.-K. Han, "Reflective SOA-based bidirectional WDM-PON sharing optical source for up/downlink data and broadcasting transmission," IEEE Photon. Technol. Lett. 18, 2350-2352 (2006).
  17. Y.-Y. Won, H.-C. Kwon, S.-K. Han, "1.25-Gb/s wavelength-division multiplexed single-wavelength colorless radio-on-fiber systems using reflective semiconductor optical amplifier," J. Lightw. Technol. 25, 3472-3478 (2007).
  18. J. J. Martinez, J. I. G. Gregorio, A. L. Lucia, A. V. Velasco, J. C. Aguado, M. A. L. Binue, "Novel WDM-PON architecture based on a spectrally efficient IM-FSK scheme using DMLs and RSOAs," J. Lightw. Technol. 26, 350-356 (2008).
  19. M. Omella, I. Papagiannakis, B. Schrenk, D. Klonidis, J. Lazaro, A. Birbas, J. Kikidis, J. Prat, I. Tomkos, "10-Gb/s full-duplex bidirectional transmission with RSOA-based ONU using detuned optical filtering and decision feedback equalization," Opt. Exp. 17, 5008-5013 (2009).
  20. Z. Al-Qazwini, H. Kim, "DC-balanced line coding for downlink modulation in bidirectional WDM PONs using remodulation," IEEE Photon. Technol. Lett. 23, 1331-1333 (2011).
  21. S. C. Lin, S. L. Lee, C. L. Yang, "Spectral filtering of multiple directly modulated channels for WDM access networks by using an FP etalon," J. Opt. Netw. 8, 306-316 (2009).
  22. S. Warm, C.-A. Bunge, T. Wuth, K. Petermann, "Electronic dispersion precompensation with a 10-Gb/s directly modulated laser," IEEE Photon. Technol. Lett. 21, 1090-1092 (2009).
  23. Z. Al-Qazwini, H. Kim, "Line coding to enhance the performance of 10-Gb/s CPFSK-ASK directly modulated signals," Opt. Exp. 18, 8360-8366 (2010).
  24. H. Takesue, T. Sugie, "Wavelength channel data rewrite using saturated SOA modulator for WDM networks with centralized light sources," J. Lightw. Technol. 21, 2546-2556 (2003).
  25. W. Hung, C.-K. Chan, L.-K. Chen, F. Tong, "An optical network unit for WDM access networks with downstream DPSK and upstream re-modulated OOK data using injected-locked FP laser," Proc. Opt. Fiber Commun. Conf. (2003) pp. 281-282.
  26. J.-M. Kang, S.-K. Han, "A novel hybrid WDM/SCM-PON sharing wavelength for up- and down-link using reflective semiconductor optical amplifier," IEEE Photon. Technol. Lett. 18, 502-504 (2006).
  27. S. Jang, C.-S. Lee, D.-M. Seol, E.-S. Jung, B. W. Kim, "A bidirectional RSOA based WDM-PON utilizing a SCM signal for down-link and a baseband signal for up-link," Proc. Opt. Fiber Commun. Conf. (2007).
  28. J. Yu, M.-F. Huang, D. Qian, L. Chen, G.-K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).
  29. J. M. Fàbrega, E. T. Lopez, J. A. Lazaro, M. Zuhdi, J. Prat, "Demonstration of a full duplex PON featuring 2.5 Gbps sub carrier multiplexing downstream and 1.25 Gbps upstream with colourless ONU and simple optics," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.
  30. Z. A. El-Sahn, J. M. Buset, D. V. Plant, "Bidirectional WDM PON enabled by reflective ONUs and a novel overlapped-subcarrier multiplexing technique," Proc. Opt. Fiber Commun. Conf. (2011).
  31. Z. Al-Qazwini, H. Kim, "10-Gbps single-feeder, full-duplex WDM-PON using directly modulated laser and RSOA," Proc. Opt. Fiber Commun. Conf. (2012).
  32. G. J. Meslener, "Chromatic dispersion induced distortion of modulated monochromatic light employing direct detection," IEEE J. Quantum Electron. 20, 1208-1216 (1984).
  33. G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).
  34. K. Yonenaga, N. Takachio, "A fiber chromatic dispersion compensation technique with an optical SSB transmission in optical homodyne detection systems," IEEE Photon. Technol. Lett. 5, 949-951 (1993).
  35. H. Kim, "A dual-detector optical receiver for WDM PON utilizing directly modulated RSOAs and delay interferometers," IEEE Photon. Technol. Lett. 23, 1733-1735 (2011).
  36. H. Kim, "Transmission of 10-Gb/s directly modulated RSOA signals in single-fiber loopback WDM PONs," IEEE Photon. Technol. Lett. 23, 965-967 (2011).
  37. G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "On the use of NRZ, RZ, and CSRZ modulation at 40 Gb/s with narrow DWDM channel spacing," J. Lightw. Technol. 20, 1694-1704 (2002).
  38. A. Meiyappan, P. Y. Kam, H. Kim, "6-GHz radio-over-fiber upstream transmission using a directly modulated RSOA," IEEE Photon. Technol. Lett. 23, 1730-1732 (2011).
  39. H. Kim, "Radio over RSOA-based WDM-PON," Proc. Int. Top. Meet. Microw. Photon. Conf. (2011) pp. 238-241.
  40. M. Fujiwara, J. Kani, H. Suzuki, K. Iwatsuki, "Impact of backreflection on upstream transmission in WDM single-fiber loopback access networks," J. Lightw. Technol. 24, 740-746 (2006).
  41. J. Herrera, F. Ramos, J. Marti, "Nonlinear distortion generated by semiconductor optical amplifier boosters in analog optical systems," Opt. Lett. 28, 1102-1104 (2003).
  42. C. Bohemond, A. Sharaiha, T. Rampone, H. Khaleghi, "Electro-optical radiofrequency mixer based on semiconductor optical amplifier," Electron. Lett. 47, 331-333 (2011).
  43. T. Rampone, R. Zulma, A. Sharaiha, "Electro-optical radiofrequency up-converter based on a semiconductor optical amplifier," Proc. Int. Top. Meet. Microw. Photon. Conf. (2011) pp. 145-148.

2011 (6)

Q. Guo, A. V. Tran, C.-J. Chae, "10-Gb/s WDM-PON based on low-bandwidth RSOA using partial response equalization," IEEE Photon. Technol. Lett. 23, 1442-1444 (2011).

Z. Al-Qazwini, H. Kim, "DC-balanced line coding for downlink modulation in bidirectional WDM PONs using remodulation," IEEE Photon. Technol. Lett. 23, 1331-1333 (2011).

H. Kim, "A dual-detector optical receiver for WDM PON utilizing directly modulated RSOAs and delay interferometers," IEEE Photon. Technol. Lett. 23, 1733-1735 (2011).

H. Kim, "Transmission of 10-Gb/s directly modulated RSOA signals in single-fiber loopback WDM PONs," IEEE Photon. Technol. Lett. 23, 965-967 (2011).

A. Meiyappan, P. Y. Kam, H. Kim, "6-GHz radio-over-fiber upstream transmission using a directly modulated RSOA," IEEE Photon. Technol. Lett. 23, 1730-1732 (2011).

C. Bohemond, A. Sharaiha, T. Rampone, H. Khaleghi, "Electro-optical radiofrequency mixer based on semiconductor optical amplifier," Electron. Lett. 47, 331-333 (2011).

2010 (4)

Z. Al-Qazwini, H. Kim, "Line coding to enhance the performance of 10-Gb/s CPFSK-ASK directly modulated signals," Opt. Exp. 18, 8360-8366 (2010).

H. Kim, "10-Gb/s operation of RSOA using a delay interferometer," IEEE Photon. Technol. Lett. 22, 1379-1381 (2010).

J. Wei, E. Hugues-Salas, R. Giddings, X. Jin, X. Zheng, S. Mansoor, J. Tang, "Wavelength reused bidirectional transmission of adaptively modulated optical OFDM signals in WDM-PONs incorporating SOA and RSOA intensity modulators," Opt. Exp. 18, 9791-9808 (2010).

K. Y. Cho, Y. Takushima, Y. C. Chung, "Enhanced chromatic dispersion tolerance of 11-Gb/s RSOA-based WDM PON using 4-ary PAM signal," Electron. Lett. 46, 1510-1512 (2010).

2009 (3)

S. C. Lin, S. L. Lee, C. L. Yang, "Spectral filtering of multiple directly modulated channels for WDM access networks by using an FP etalon," J. Opt. Netw. 8, 306-316 (2009).

S. Warm, C.-A. Bunge, T. Wuth, K. Petermann, "Electronic dispersion precompensation with a 10-Gb/s directly modulated laser," IEEE Photon. Technol. Lett. 21, 1090-1092 (2009).

M. Omella, I. Papagiannakis, B. Schrenk, D. Klonidis, J. Lazaro, A. Birbas, J. Kikidis, J. Prat, I. Tomkos, "10-Gb/s full-duplex bidirectional transmission with RSOA-based ONU using detuned optical filtering and decision feedback equalization," Opt. Exp. 17, 5008-5013 (2009).

2008 (4)

J. Yu, M.-F. Huang, D. Qian, L. Chen, G.-K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).

J. J. Martinez, J. I. G. Gregorio, A. L. Lucia, A. V. Velasco, J. C. Aguado, M. A. L. Binue, "Novel WDM-PON architecture based on a spectrally efficient IM-FSK scheme using DMLs and RSOAs," J. Lightw. Technol. 26, 350-356 (2008).

K. Y. Cho, Y. Takushima, Y. C. Chung, "10-Gb/s operation of RSOA for WDM PON," IEEE Photon. Technol. Lett. 20, 1533-1535 (2008).

I. Papagiannakis, M. Omella, D. Klonidis, A. Birbas, J. Kikidis, I. Tomkos, J. Prat, "Investigation of 10-Gb/s RSOA-based upstream transmission in WDM-PONs utilizing optical filtering and electronic equalization," IEEE Photon. Technol. Lett. 20, 2168-2170 (2008).

2007 (2)

Y.-Y. Won, H.-C. Kwon, S.-K. Han, "1.25-Gb/s wavelength-division multiplexed single-wavelength colorless radio-on-fiber systems using reflective semiconductor optical amplifier," J. Lightw. Technol. 25, 3472-3478 (2007).

E. Wong, K. L. Lee, T. B. Anderson, "Directly modulated self-seeding reflective semiconductor optical amplifiers as colorless transmitters in wavelength division multiplexed passive optical networks," J. Lightw. Technol. 25, 67-74 (2007).

2006 (3)

T.-Y. Kim, S.-K. Han, "Reflective SOA-based bidirectional WDM-PON sharing optical source for up/downlink data and broadcasting transmission," IEEE Photon. Technol. Lett. 18, 2350-2352 (2006).

J.-M. Kang, S.-K. Han, "A novel hybrid WDM/SCM-PON sharing wavelength for up- and down-link using reflective semiconductor optical amplifier," IEEE Photon. Technol. Lett. 18, 502-504 (2006).

M. Fujiwara, J. Kani, H. Suzuki, K. Iwatsuki, "Impact of backreflection on upstream transmission in WDM single-fiber loopback access networks," J. Lightw. Technol. 24, 740-746 (2006).

2005 (1)

W. Lee, M. Park, S. Cho, J. Lee, C. Kim, G. Jeong, B. Kim, "Bidirectional WDM-PON based on gain-saturated reflective semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 17, 2460-2462 (2005).

2003 (2)

H. Takesue, T. Sugie, "Wavelength channel data rewrite using saturated SOA modulator for WDM networks with centralized light sources," J. Lightw. Technol. 21, 2546-2556 (2003).

J. Herrera, F. Ramos, J. Marti, "Nonlinear distortion generated by semiconductor optical amplifier boosters in analog optical systems," Opt. Lett. 28, 1102-1104 (2003).

2002 (1)

G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "On the use of NRZ, RZ, and CSRZ modulation at 40 Gb/s with narrow DWDM channel spacing," J. Lightw. Technol. 20, 1694-1704 (2002).

2001 (1)

P. Healey, P. Townsend, C. Ford, L. Johnston, P. Townley, I. Lealman, L. Rivers, S. Perrin, R. Moore, "Spectral slicing WDM-PON using wavelength-seeded reflective SOAs," Electron. Lett. 37, 1181-1182 (2001).

1997 (1)

G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).

1996 (1)

U. Hilbk, T. Hermes, J. Saniter, F.-J. Westphal, "High capacity WDM overlay on a passive optical network," Electron. Lett. 32, 2162-2163 (1996).

1993 (1)

K. Yonenaga, N. Takachio, "A fiber chromatic dispersion compensation technique with an optical SSB transmission in optical homodyne detection systems," IEEE Photon. Technol. Lett. 5, 949-951 (1993).

1984 (1)

G. J. Meslener, "Chromatic dispersion induced distortion of modulated monochromatic light employing direct detection," IEEE J. Quantum Electron. 20, 1208-1216 (1984).

Electron. Lett. (1)

C. Bohemond, A. Sharaiha, T. Rampone, H. Khaleghi, "Electro-optical radiofrequency mixer based on semiconductor optical amplifier," Electron. Lett. 47, 331-333 (2011).

Electron. Lett. (3)

U. Hilbk, T. Hermes, J. Saniter, F.-J. Westphal, "High capacity WDM overlay on a passive optical network," Electron. Lett. 32, 2162-2163 (1996).

P. Healey, P. Townsend, C. Ford, L. Johnston, P. Townley, I. Lealman, L. Rivers, S. Perrin, R. Moore, "Spectral slicing WDM-PON using wavelength-seeded reflective SOAs," Electron. Lett. 37, 1181-1182 (2001).

K. Y. Cho, Y. Takushima, Y. C. Chung, "Enhanced chromatic dispersion tolerance of 11-Gb/s RSOA-based WDM PON using 4-ary PAM signal," Electron. Lett. 46, 1510-1512 (2010).

IEEE Photon. Technol. Lett. (3)

Q. Guo, A. V. Tran, C.-J. Chae, "10-Gb/s WDM-PON based on low-bandwidth RSOA using partial response equalization," IEEE Photon. Technol. Lett. 23, 1442-1444 (2011).

W. Lee, M. Park, S. Cho, J. Lee, C. Kim, G. Jeong, B. Kim, "Bidirectional WDM-PON based on gain-saturated reflective semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 17, 2460-2462 (2005).

Z. Al-Qazwini, H. Kim, "DC-balanced line coding for downlink modulation in bidirectional WDM PONs using remodulation," IEEE Photon. Technol. Lett. 23, 1331-1333 (2011).

IEEE Trans. Microw. Theory Tech. (1)

G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).

IEEE J. Quantum Electron. (1)

G. J. Meslener, "Chromatic dispersion induced distortion of modulated monochromatic light employing direct detection," IEEE J. Quantum Electron. 20, 1208-1216 (1984).

IEEE Photon. Technol. Lett. (2)

A. Meiyappan, P. Y. Kam, H. Kim, "6-GHz radio-over-fiber upstream transmission using a directly modulated RSOA," IEEE Photon. Technol. Lett. 23, 1730-1732 (2011).

S. Warm, C.-A. Bunge, T. Wuth, K. Petermann, "Electronic dispersion precompensation with a 10-Gb/s directly modulated laser," IEEE Photon. Technol. Lett. 21, 1090-1092 (2009).

IEEE Photon. Technol. Lett. (1)

H. Kim, "10-Gb/s operation of RSOA using a delay interferometer," IEEE Photon. Technol. Lett. 22, 1379-1381 (2010).

IEEE Photon. Technol. Lett. (8)

T.-Y. Kim, S.-K. Han, "Reflective SOA-based bidirectional WDM-PON sharing optical source for up/downlink data and broadcasting transmission," IEEE Photon. Technol. Lett. 18, 2350-2352 (2006).

I. Papagiannakis, M. Omella, D. Klonidis, A. Birbas, J. Kikidis, I. Tomkos, J. Prat, "Investigation of 10-Gb/s RSOA-based upstream transmission in WDM-PONs utilizing optical filtering and electronic equalization," IEEE Photon. Technol. Lett. 20, 2168-2170 (2008).

K. Y. Cho, Y. Takushima, Y. C. Chung, "10-Gb/s operation of RSOA for WDM PON," IEEE Photon. Technol. Lett. 20, 1533-1535 (2008).

J. Yu, M.-F. Huang, D. Qian, L. Chen, G.-K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).

J.-M. Kang, S.-K. Han, "A novel hybrid WDM/SCM-PON sharing wavelength for up- and down-link using reflective semiconductor optical amplifier," IEEE Photon. Technol. Lett. 18, 502-504 (2006).

K. Yonenaga, N. Takachio, "A fiber chromatic dispersion compensation technique with an optical SSB transmission in optical homodyne detection systems," IEEE Photon. Technol. Lett. 5, 949-951 (1993).

H. Kim, "A dual-detector optical receiver for WDM PON utilizing directly modulated RSOAs and delay interferometers," IEEE Photon. Technol. Lett. 23, 1733-1735 (2011).

H. Kim, "Transmission of 10-Gb/s directly modulated RSOA signals in single-fiber loopback WDM PONs," IEEE Photon. Technol. Lett. 23, 965-967 (2011).

J. Lightw. Technol. (3)

G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "On the use of NRZ, RZ, and CSRZ modulation at 40 Gb/s with narrow DWDM channel spacing," J. Lightw. Technol. 20, 1694-1704 (2002).

E. Wong, K. L. Lee, T. B. Anderson, "Directly modulated self-seeding reflective semiconductor optical amplifiers as colorless transmitters in wavelength division multiplexed passive optical networks," J. Lightw. Technol. 25, 67-74 (2007).

M. Fujiwara, J. Kani, H. Suzuki, K. Iwatsuki, "Impact of backreflection on upstream transmission in WDM single-fiber loopback access networks," J. Lightw. Technol. 24, 740-746 (2006).

J. Lightw. Technol. (1)

Y.-Y. Won, H.-C. Kwon, S.-K. Han, "1.25-Gb/s wavelength-division multiplexed single-wavelength colorless radio-on-fiber systems using reflective semiconductor optical amplifier," J. Lightw. Technol. 25, 3472-3478 (2007).

J. Lightw. Technol. (2)

J. J. Martinez, J. I. G. Gregorio, A. L. Lucia, A. V. Velasco, J. C. Aguado, M. A. L. Binue, "Novel WDM-PON architecture based on a spectrally efficient IM-FSK scheme using DMLs and RSOAs," J. Lightw. Technol. 26, 350-356 (2008).

H. Takesue, T. Sugie, "Wavelength channel data rewrite using saturated SOA modulator for WDM networks with centralized light sources," J. Lightw. Technol. 21, 2546-2556 (2003).

J. Opt. Netw. (1)

Opt. Exp. (1)

Z. Al-Qazwini, H. Kim, "Line coding to enhance the performance of 10-Gb/s CPFSK-ASK directly modulated signals," Opt. Exp. 18, 8360-8366 (2010).

Opt. Lett. (1)

J. Herrera, F. Ramos, J. Marti, "Nonlinear distortion generated by semiconductor optical amplifier boosters in analog optical systems," Opt. Lett. 28, 1102-1104 (2003).

Opt. Exp. (2)

J. Wei, E. Hugues-Salas, R. Giddings, X. Jin, X. Zheng, S. Mansoor, J. Tang, "Wavelength reused bidirectional transmission of adaptively modulated optical OFDM signals in WDM-PONs incorporating SOA and RSOA intensity modulators," Opt. Exp. 18, 9791-9808 (2010).

M. Omella, I. Papagiannakis, B. Schrenk, D. Klonidis, J. Lazaro, A. Birbas, J. Kikidis, J. Prat, I. Tomkos, "10-Gb/s full-duplex bidirectional transmission with RSOA-based ONU using detuned optical filtering and decision feedback equalization," Opt. Exp. 17, 5008-5013 (2009).

Other (12)

Y. Takushima, K. Y. Cho, Y. C. Chung, "Design issues in RSOA-based WDM PON," Proc. IEEE Photon. Global Conf. (2008) pp. C-34-C-37.

G. Valicourt, D. Make, C. Fortin, A. Enard, F. V. Dijk, R. Brenot, "10-Gbit/s modulation of reflective SOA without any electronic processing," Proc. Opt. Fiber Commun. Conf. (2011).

M. Omella, V. Polo, J. Lazaro, B. Schrenk, J. Prat, "10-Gb/s RSOA transmission by direct duobinary modulation," Proc. Eur. Conf. Opt. Commun. (2008).

T. Duong, N. Genay, P. Chanclou, B. Charbonnier, A. Pizziant, R. Brenot, "Experimental demonstration of 10-Gbit/s upstream transmission by remote modulation of 1 GHz RSOA using adaptively modulated optical OFDM for WDM-PON single fiber architecture," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.

A. Agata, Y. Horiuchi, "RSOA-based 10G WDM PON using FEC and MLSE equalizers," Proc. Opt. Fiber Commun. Conf. (2010).

W. Hung, C.-K. Chan, L.-K. Chen, F. Tong, "An optical network unit for WDM access networks with downstream DPSK and upstream re-modulated OOK data using injected-locked FP laser," Proc. Opt. Fiber Commun. Conf. (2003) pp. 281-282.

J. M. Fàbrega, E. T. Lopez, J. A. Lazaro, M. Zuhdi, J. Prat, "Demonstration of a full duplex PON featuring 2.5 Gbps sub carrier multiplexing downstream and 1.25 Gbps upstream with colourless ONU and simple optics," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.

Z. A. El-Sahn, J. M. Buset, D. V. Plant, "Bidirectional WDM PON enabled by reflective ONUs and a novel overlapped-subcarrier multiplexing technique," Proc. Opt. Fiber Commun. Conf. (2011).

Z. Al-Qazwini, H. Kim, "10-Gbps single-feeder, full-duplex WDM-PON using directly modulated laser and RSOA," Proc. Opt. Fiber Commun. Conf. (2012).

S. Jang, C.-S. Lee, D.-M. Seol, E.-S. Jung, B. W. Kim, "A bidirectional RSOA based WDM-PON utilizing a SCM signal for down-link and a baseband signal for up-link," Proc. Opt. Fiber Commun. Conf. (2007).

H. Kim, "Radio over RSOA-based WDM-PON," Proc. Int. Top. Meet. Microw. Photon. Conf. (2011) pp. 238-241.

T. Rampone, R. Zulma, A. Sharaiha, "Electro-optical radiofrequency up-converter based on a semiconductor optical amplifier," Proc. Int. Top. Meet. Microw. Photon. Conf. (2011) pp. 145-148.

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