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Polymer Optical Fibres for In-house Cabling Jürgen Krauser, Olaf Ziemann Deutsche Telekom AG

Polymer Optical Fibres for In-house Cabling Jürgen Krauser, Olaf Ziemann Deutsche Telekom AG Technologiezentrum Darmstadt Goslarer Ufer 35 D 10589 Berlin, Germany Tel. : +49 30 3497 - 4422, -4442 Fax.: +49 30 3497 - 4968, -4443 e-mail: krauser@07.bln0.telekom400.dbp.de

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Polymer Optical Fibres for In-house Cabling Jürgen Krauser, Olaf Ziemann Deutsche Telekom AG

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  1. Polymer Optical Fibres for In-house Cabling Jürgen Krauser, Olaf Ziemann Deutsche Telekom AG Technologiezentrum Darmstadt Goslarer Ufer 35 D 10589 Berlin, Germany Tel. : +49 30 3497 - 4422, -4442 Fax.: +49 30 3497 - 4968, -4443 e-mail: krauser@07.bln0.telekom400.dbp.de ziemann@tzd.telekom.de

  2. Polymer Optical Fibres for In-house Cabling 1. Introduction 2. Some basic properties 3. State of POF availability 4. Transmitters for POF 5. Standard for POF 6. Realised POF transmission systems 7. Example for In-house network based on POF 8. Conclusion

  3. Advantages of Polymer Optical Fibres 1. Introduction • High flexibility • Easy handling and processing • EMI immunity • Low cost components • High bandwidth • Low attenuation • ATM requirements Alternative to copper based cable system

  4. 2. Some basic properties

  5. Attenuation of optical fibres

  6. 3. State of POF availability

  7. Attenuation Spectra of various POF

  8. 4. Transmitters for POF

  9. Spectra of red and green LEDs in relation to attenuation minima of POF

  10. Materials for POF Systems Attenuation minima at 520 nm, 580 nmand 650 nm GaAlAs: wavelength 660 nm,efficiency up to 15 % AlInGaP: wavelength 650 nm, efficiency up to 10 % AlInGaP: wavelength 590 nm, efficiency up to 5 % GaAsP: wavelength 580 nm, efficiency up to 0,5 % AlInGaP: wavelength 570 nm, efficiency up to 1 % GaP: wavelength 555 nm, efficiency up to 0,1 % InGaN: wavelength 520 nm, efficiency up to 5 % InGaN: wavelength 500 nm, efficiency up to 8 %

  11. Basic materials for optical transmitters

  12. 5. Standard for POF ATMForum Specification

  13. 6. Applications for POF transmission systems Source: Koike, POF´96, Paris: "Status of POF in Japan", pp. 1-4

  14. Realised POF transmission systems

  15. 7. Example for an In-house Network based on POF

  16. 8. Conclusion • Commercial available: • Standard- and Low-NA POF , POF-Systems at 650 nm for bitrates up to 155 Mbps over 50 m or 100 Mbps over 70 m. • Standard: ATM Forum specifications • New developments: • Use of green and yellow LED for PMMA-Fibre • Increasing bandwidth by using GI-POF (up to 2,5 Gbit/s) • Increasing distance by using fluorinated POF (up to 2 km) • High speed transmitter by VCSEL

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