Coherent WDM-PON using heterodyne detection with transmitter-side polarization diversity

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概要

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• Coherent detection can improve the receiver sensitivity and spectral density, so it has become a key technology in realizing the advanced access network. Adding optical heterodyne detection to the wavelength division multiplexing passive optical network (WDM-PON) makes it possible to increase the number of accommodated optical network units (ONUs) and the transmission distance.In this letter, we propose and demonstrate a heterodyne detection scheme that realizes polarization diversity with one photo detector and one receiving circuit by centralizing diversity devices at the transmitter. We experimentally achieved the cost-effective polarization diversity technique which receiver sensitivity fluctuation was 1.2dB, and the power penalty was less than 0.8dB after transmission through 10km single-mode fiber.

• （社）電子情報通信学会の論文

著者

• NARIKAWA Satoshi

  NTT Access Network Service Systems Laboratories, NTT Corporation

• SAKURAI Naoya

  NTT Access Network Service Systems Laboratories, NTT Corporation

• Narikawa Satoshi

  Ntt Access Network Serv. Systems Labolatories Ntt Corp.

• Sanjoh Hiroaki

  NTT Photonics Labolatories, NTT Corporation

• Sanjoh Hiroaki

  Ntt Photonics Labolatories Ntt Corp.

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