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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 22 — Oct. 25, 2010
  • pp: 22982–22987
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OCDMA PON supporting ONU inter-networking based on gain-switched Fabry–Pérot lasers with external dual-wavelength injection

Jie Liu, Duoduo Zeng, Changjian Guo, Lei Xu, and Sailing He  »View Author Affiliations


Optics Express, Vol. 18, Issue 22, pp. 22982-22987 (2010)
http://dx.doi.org/10.1364/OE.18.022982


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Abstract

We propose and demonstrate an OCDMA-PON scheme with optical network unit (ONU) internetworking capability, which utilizes low-cost gain-switched Fabry–Pérot (GS-FP) lasers with external dual-wavelength injection as the pulse sources on the ONU side. The injection-generated optical pulses in two wavelengths from the same GS-FP laser are used separately for the PON uplink transmission and ONU internetworking. Experimental results based on a two-user OCDMA system confirm the feasibility of the proposed scheme. With OCDMA technologies, separate ONU-internetworking groups can be established using different optical codes. We also give experiment results to analyze the performance of the ONU-ONU transmission at different power of interference signals when two ONU-internetworking groups are present in the OCDMA-PON.

© 2010 OSA

1. Introduction

2. Proposed network architecture

To resolve the possible collision during the intra-group ONU-ONU transmission, media access control (MAC) protocol, such as carrier sense multiple access with collision avoidance protocol for optical networks [13

13. S. M. Gemelos, I. M. White, D. Wonglumsom, K. Shrikhande, T. One, and L. G. Kazovsky, “WDM metropolitan area network based on CSMA/CA packet switching,” IEEE Photon. Technol. Lett. 11(11), 1512–1514 (1999). [CrossRef]

], is needed. Despite of this, several intra-group ONU-ONU transmissions, which belong to different ONU-internetworking groups, can be performed simultaneously and asynchronously, because they are optical-code divided.

3. Experiment setup

4. Results and discussion

Separate ONU-internetworking groups can be supported in the PON, and signals from each group may have the different power loss induced by different transmitting fiber lengths. Therefore, the ONU will receive different ONU-ONU transmitting signals with different optical power, which will result in additional power penalty. Figure 6
Fig. 6 Measured power penalty at BER = 10−9 against the received power difference between two ONU-internetworking groups. The minus sign in the x-axis means that the power of the interfering group is smaller than that of the desired group.
shows the measured optical power penalty at BER = 10−9 for the desired ONU-ONU transmitting signal versus the received power difference, when two ONU-internetworking groups are supported in the OCDMA-PON. Here we keep the optical power of the desired signal constant while adjusting the optical power of the interfering signal. Considering that the distribution-fiber-length difference is often less than 10 km in the PON and the typical power loss at 1550 nm for the SMF is 0.2 dB/ km, the received power difference between these two signals is kept within 2 dB. When the optical power of the interfering signal is 2 dB more than the desired signal, ~3.4-dB power penalty is observed. And the BER performance of the desired signal is with ~1.1 dB improved, when the optical power of the interfering signal is 2 dB less than the desired signal. These power penalties should be considered during system design.

5. Conclusion

References and links

1.

J. A. Salehi, “Code division multiple access techniques in optical fiber networks—Part I: Fundamental principles,” IEEE Trans. Commun. 37(8), 824–833 (1989). [CrossRef]

2.

P. R. Prucnal, Optical Code Division Multiple Access: Fundamentals and Applications (Taylor & Francis, 2005).

3.

T. Hamanaka, X. Wang, N. Wada, A. Nishiki, and K.-I. Kitayama, “Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder,” J. Lightwave Technol. 24(1), 95–102 (2006). [CrossRef]

4.

C.-S. Bres, I. Glesk, and P. R. Prucnal, “Demonstration of an eight-user 115-Gchip/s incoherent OCDMA system using supercontinuum generation and optical time gating,” IEEE Photon. Technol. Lett. 18(7), 889–891 (2006). [CrossRef]

5.

K.-I. Kitayama, X. Wang, and N. Wada, “OCDMA over WDM PON - solution path to gigabit-symmetric FTTH,” J. Lightwave Technol. 24(4), 1654–1662 (2006). [CrossRef]

6.

Z. A. El-Sahn, B. J. Shastri, M. Zeng, N. Kheder, D. V. Plant, and L. A. Rusch, “Experimental demonstration of a SAC-OCDMA PON with burst-mode reception: local versus centralized sources,” J. Lightwave Technol. 26(10), 1192–1203 (2008). [CrossRef]

7.

S. Yoshima, N. Nakagawa, N. Kataoka, N. Suzuki, M. Noda, M. Nogami, J. Nakagawa, and K.-I. Kitayama, “10 Gb/s-based PON over OCDMA uplink burst transmission using SSFBG encoder/multi-port decoder and burst-mode receiver,” J. Lightwave Technol. 28(4), 365–371 (2010). [CrossRef]

8.

M. Gharaei, S. Cordette, C. Lepers, I. Fsaifes, and P. Gallion, “Multiple optical private networks over EPON using optical CDMA technique,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper JThA34. http://www.opticsinfobase.org/abstract.cfm?URI=OFC-2010-JThA34

9.

C. J. Chae, S. T. Lee, G. Y. Kim, and H. Park, “A PON system suitable for internetworking optical network units using a fiber Bragg grating on the feeder fiber,” IEEE Photon. Technol. Lett. 11(12), 1686–1688 (1999). [CrossRef]

10.

Q. Zhao and C. K. Chan, “A wavelength-division-multiplexed passive optical network with flexible optical network unit internetworking capability,” J. Lightwave Technol. 25(8), 1970–1977 (2007). [CrossRef]

11.

J. Liu, Y. Lu, C. Guo, X. Hong, L. Xu, and S. He, “Demonstration of low-cost uplink transmission in a coherent OCDMA PON using gain-wwitched Fabry–Pérot lasers with external injection,” IEEE Photon. Technol. Lett. 22(8), 583–585 (2010). [CrossRef]

12.

Z. Zhang, C. Tian, M. R. Mokhtar, P. Petropoulos, D. J. Richardson, and M. Ibsen, “Rapidly reconfigurable optical phase encoder-decoders based on fiber Bragg gratings,” IEEE Photon. Technol. Lett. 18(11), 1216–1218 (2006). [CrossRef]

13.

S. M. Gemelos, I. M. White, D. Wonglumsom, K. Shrikhande, T. One, and L. G. Kazovsky, “WDM metropolitan area network based on CSMA/CA packet switching,” IEEE Photon. Technol. Lett. 11(11), 1512–1514 (1999). [CrossRef]

14.

Z. Xu, Y. J. Wen, W.-D. Zhong, C.-J. Chae, X.-F. Cheng, Y. Wang, C. Lu, and J. Shankar, “High-speed WDM-PON using CW injection-locked Fabry–Pérot laser diodes,” Opt. Express 15(6), 2953–2962 (2007). [CrossRef] [PubMed]

15.

Y. Matsui, S. Kutsuzawa, S. Arahira, and Y. Ogawa, “Generation of wavelength tunable gain-switched pulses from FP MQW lasers with external injection seeding,” IEEE Photon. Technol. Lett. 9(8), 1087–1089 (1997). [CrossRef]

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 20, 2010
Revised Manuscript: September 25, 2010
Manuscript Accepted: September 30, 2010
Published: October 15, 2010

Citation
Jie Liu, Duoduo Zeng, Changjian Guo, Lei Xu, and Sailing He, "OCDMA PON supporting ONU inter-networking based on gain-switched Fabry–Pérot lasers with external dual-wavelength injection," Opt. Express 18, 22982-22987 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-22-22982


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References

  1. J. A. Salehi, “Code division multiple access techniques in optical fiber networks—Part I: Fundamental principles,” IEEE Trans. Commun. 37(8), 824–833 (1989). [CrossRef]
  2. P. R. Prucnal, Optical Code Division Multiple Access: Fundamentals and Applications (Taylor & Francis, 2005).
  3. T. Hamanaka, X. Wang, N. Wada, A. Nishiki, and K.-I. Kitayama, “Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder,” J. Lightwave Technol. 24(1), 95–102 (2006). [CrossRef]
  4. C.-S. Bres, I. Glesk, and P. R. Prucnal, “Demonstration of an eight-user 115-Gchip/s incoherent OCDMA system using supercontinuum generation and optical time gating,” IEEE Photon. Technol. Lett. 18(7), 889–891 (2006). [CrossRef]
  5. K.-I. Kitayama, X. Wang, and N. Wada, “OCDMA over WDM PON - solution path to gigabit-symmetric FTTH,” J. Lightwave Technol. 24(4), 1654–1662 (2006). [CrossRef]
  6. Z. A. El-Sahn, B. J. Shastri, M. Zeng, N. Kheder, D. V. Plant, and L. A. Rusch, “Experimental demonstration of a SAC-OCDMA PON with burst-mode reception: local versus centralized sources,” J. Lightwave Technol. 26(10), 1192–1203 (2008). [CrossRef]
  7. S. Yoshima, N. Nakagawa, N. Kataoka, N. Suzuki, M. Noda, M. Nogami, J. Nakagawa, and K.-I. Kitayama, “10 Gb/s-based PON over OCDMA uplink burst transmission using SSFBG encoder/multi-port decoder and burst-mode receiver,” J. Lightwave Technol. 28(4), 365–371 (2010). [CrossRef]
  8. M. Gharaei, S. Cordette, C. Lepers, I. Fsaifes, and P. Gallion, “Multiple optical private networks over EPON using optical CDMA technique,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper JThA34. http://www.opticsinfobase.org/abstract.cfm?URI=OFC-2010-JThA34
  9. C. J. Chae, S. T. Lee, G. Y. Kim, and H. Park, “A PON system suitable for internetworking optical network units using a fiber Bragg grating on the feeder fiber,” IEEE Photon. Technol. Lett. 11(12), 1686–1688 (1999). [CrossRef]
  10. Q. Zhao and C. K. Chan, “A wavelength-division-multiplexed passive optical network with flexible optical network unit internetworking capability,” J. Lightwave Technol. 25(8), 1970–1977 (2007). [CrossRef]
  11. J. Liu, Y. Lu, C. Guo, X. Hong, L. Xu, and S. He, “Demonstration of low-cost uplink transmission in a coherent OCDMA PON using gain-wwitched Fabry–Pérot lasers with external injection,” IEEE Photon. Technol. Lett. 22(8), 583–585 (2010). [CrossRef]
  12. Z. Zhang, C. Tian, M. R. Mokhtar, P. Petropoulos, D. J. Richardson, and M. Ibsen, “Rapidly reconfigurable optical phase encoder-decoders based on fiber Bragg gratings,” IEEE Photon. Technol. Lett. 18(11), 1216–1218 (2006). [CrossRef]
  13. S. M. Gemelos, I. M. White, D. Wonglumsom, K. Shrikhande, T. One, and L. G. Kazovsky, “WDM metropolitan area network based on CSMA/CA packet switching,” IEEE Photon. Technol. Lett. 11(11), 1512–1514 (1999). [CrossRef]
  14. Z. Xu, Y. J. Wen, W.-D. Zhong, C.-J. Chae, X.-F. Cheng, Y. Wang, C. Lu, and J. Shankar, “High-speed WDM-PON using CW injection-locked Fabry–Pérot laser diodes,” Opt. Express 15(6), 2953–2962 (2007). [CrossRef] [PubMed]
  15. Y. Matsui, S. Kutsuzawa, S. Arahira, and Y. Ogawa, “Generation of wavelength tunable gain-switched pulses from FP MQW lasers with external injection seeding,” IEEE Photon. Technol. Lett. 9(8), 1087–1089 (1997). [CrossRef]

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