Abstract

The optical gain of reflective optical network units (ONUs) may produce a critical amplifying feedback on the single-fiber transmission impairments. In this paper, its influence on the passive optical networks transmission with reflective-ONU is theoretically analyzed and experimentally confirmed. Analytical expressions for the optical crosstalk-to-signal ratio and the $Q$-parameter in presence of Rayleigh backscattering, reflection interferences and ASE noise are given. As a resulting design guideline, the ONU gain should be adjusted to about 3 dB below the total link loss; in addition, component return loss at the drop section must be higher than 30 dB. Experimental results with two basic types of reflective-ONUs, namely a loop structure formed by a Mach–Zehnder modulator and an optical amplifier, and another one employing a reflective-SOA, are in agreement with the theoretical approach.

© 2009 IEEE

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  1. F. Payoux, P. Chanclou, T. Soret, N. Genay, R. Brenot, "Demonstration of a RSOA-based wavelength remodulation in 1.25 Gb/s bidirectional hybrid WDM-TDM PON," Proc. OFC/NFOFC (2006).
  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," IEE Electron. Lett. 37, 1181-1182 (2001).
  3. J. Prat, C. Arellano, V. Polo, C. Bock, "Optical network unit based on a bidirectional reflective semiconductor optical amplifier for fiber-to-the-home networks," IEEE Photon. Technol. Lett. 17, 250-252 (2005).
  4. J. Prat, V. Polo, C. Bock, C. Arellano, J. J. V. Olmos, "Full-duplex single fiber transmission using FSK downstream and IM remote upstream modulations for fiber-to-the-home," IEEE Photon. Technol. Lett. 17, 702-704 (2005).
  5. Z. Xu, Y. J. Wen, C.-J. Chae, Y. Wang, C. Lu, "10 Gb/s WDM-PON upstream transmission using injection-locked Fabry-Pérot laser diodes," Proc. OFC/NFOFC (2006).
  6. F. Payoux, P. Chanclou, M. Moignard, R. Brenot, "Gigabit optical access using WDM PON based on spectrum slicing and reflective SOA," Proc. ECOC (2005).
  7. J. A. Lázaro, R. I. Martinez, V. Polo, C. Arellano, J. Prat, "Hybrid dual-fiber-ring with single-fiber-trees dense access network architecture using RSOA-ONU," Proc. OFC/NFOEC (2007).
  8. M. Fujiware, J.-I. 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).
  9. S. K. Das, "Beat interference penalty in optical duplex transmission," J. Lightw. Technol. 20, 213-217 (2002).
  10. M. Sumida, T. Kubo, T. Imai, "Limitations imposed by Rayleigh backscattering in closely interleaved, bidirectional WDM transmission systems," IEEE Photon. Technol. Lett. 15, 150-152 (2003).
  11. P. P. Bohn, Santaku, "Return loss requirements for optical duplex transmission," IJ. Lightw. Technol. 5, 243-254 (1987).
  12. D. Derickson, Fiber Optics Test and Measurement (Prentice-Hall, 1997).
  13. K. Habel, C. Kottke, J. Vathke, K.-D. Langer, "Bidirectional transmission in CWDM channels using nominally identical wavelengths," Proc. Broadband Europe (2007).
  14. M. O. van Deventer, Fundamentals of Bidirectional Transmission Over a Single Optical Fibre (Kluwer, 1996).
  15. G. P. Agrawal, Fiber-Optic Communication Systems. (Wiley, 2002).

2006

M. Fujiware, J.-I. 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

J. Prat, C. Arellano, V. Polo, C. Bock, "Optical network unit based on a bidirectional reflective semiconductor optical amplifier for fiber-to-the-home networks," IEEE Photon. Technol. Lett. 17, 250-252 (2005).

J. Prat, V. Polo, C. Bock, C. Arellano, J. J. V. Olmos, "Full-duplex single fiber transmission using FSK downstream and IM remote upstream modulations for fiber-to-the-home," IEEE Photon. Technol. Lett. 17, 702-704 (2005).

2003

M. Sumida, T. Kubo, T. Imai, "Limitations imposed by Rayleigh backscattering in closely interleaved, bidirectional WDM transmission systems," IEEE Photon. Technol. Lett. 15, 150-152 (2003).

2002

S. K. Das, "Beat interference penalty in optical duplex transmission," J. Lightw. Technol. 20, 213-217 (2002).

2001

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," IEE Electron. Lett. 37, 1181-1182 (2001).

1987

P. P. Bohn, Santaku, "Return loss requirements for optical duplex transmission," IJ. Lightw. Technol. 5, 243-254 (1987).

IEE Electron. Lett.

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," IEE Electron. Lett. 37, 1181-1182 (2001).

IEEE Photon. Technol. Lett.

M. Sumida, T. Kubo, T. Imai, "Limitations imposed by Rayleigh backscattering in closely interleaved, bidirectional WDM transmission systems," IEEE Photon. Technol. Lett. 15, 150-152 (2003).

IEEE Photon. Technol. Lett.

J. Prat, C. Arellano, V. Polo, C. Bock, "Optical network unit based on a bidirectional reflective semiconductor optical amplifier for fiber-to-the-home networks," IEEE Photon. Technol. Lett. 17, 250-252 (2005).

J. Prat, V. Polo, C. Bock, C. Arellano, J. J. V. Olmos, "Full-duplex single fiber transmission using FSK downstream and IM remote upstream modulations for fiber-to-the-home," IEEE Photon. Technol. Lett. 17, 702-704 (2005).

IJ. Lightw. Technol.

P. P. Bohn, Santaku, "Return loss requirements for optical duplex transmission," IJ. Lightw. Technol. 5, 243-254 (1987).

J. Lightw. Technol.

M. Fujiware, J.-I. 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.

S. K. Das, "Beat interference penalty in optical duplex transmission," J. Lightw. Technol. 20, 213-217 (2002).

Other

F. Payoux, P. Chanclou, T. Soret, N. Genay, R. Brenot, "Demonstration of a RSOA-based wavelength remodulation in 1.25 Gb/s bidirectional hybrid WDM-TDM PON," Proc. OFC/NFOFC (2006).

D. Derickson, Fiber Optics Test and Measurement (Prentice-Hall, 1997).

K. Habel, C. Kottke, J. Vathke, K.-D. Langer, "Bidirectional transmission in CWDM channels using nominally identical wavelengths," Proc. Broadband Europe (2007).

M. O. van Deventer, Fundamentals of Bidirectional Transmission Over a Single Optical Fibre (Kluwer, 1996).

G. P. Agrawal, Fiber-Optic Communication Systems. (Wiley, 2002).

Z. Xu, Y. J. Wen, C.-J. Chae, Y. Wang, C. Lu, "10 Gb/s WDM-PON upstream transmission using injection-locked Fabry-Pérot laser diodes," Proc. OFC/NFOFC (2006).

F. Payoux, P. Chanclou, M. Moignard, R. Brenot, "Gigabit optical access using WDM PON based on spectrum slicing and reflective SOA," Proc. ECOC (2005).

J. A. Lázaro, R. I. Martinez, V. Polo, C. Arellano, J. Prat, "Hybrid dual-fiber-ring with single-fiber-trees dense access network architecture using RSOA-ONU," Proc. OFC/NFOEC (2007).

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