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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 13458–13466

Transmission of 108-Gb/s PDM 16ADPSK signal on 25-GHz grid using non-coherent receivers

Y. Takushima, H. Y. Choi, and Y. C. Chung  »View Author Affiliations


Optics Express, Vol. 17, Issue 16, pp. 13458-13466 (2009)
http://dx.doi.org/10.1364/OE.17.013458


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Abstract

We demonstrate the transmission of 108-Gb/s polarization-division-multiplexed (PDM) 16-ary amplitude- and differential phase-shift-keying (16ADPSK) signal by using a non-coherent receiver. We generate the 16ADPSK signal by using a differential 8-ary phase-shift-keying (D8PSK) modulator and a phase-distortion-free amplitude-shift-keying (ASK) modulator. On the other hand, the receiver is implemented by using a delay interferometer based on a 3×3 fiber coupler and the data-aided phase-noise estimation (DAPNE) algorithm. By using these transmitter and receiver, we achieve a nearly quantum-limited receiver sensitivity in the back-to-back condition. In addition, we examine the possibility of transmitting 108-Gb/s signals on a 25-GHz grid without using the coherent detection technology. The results show that we can secure a sufficient optical-signal-to-noise (OSNR) margin after the transmission of 80-km long dispersion managed link. The achieved spectral efficiency is 4.0 bit/s/Hz.

© 2009 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 28, 2009
Revised Manuscript: July 9, 2009
Manuscript Accepted: July 14, 2009
Published: August 3, 2009

Citation
Y. Takushima, H. Y. Choi, and Y. C. Chung, "Transmission of 108-Gb/s PDM 16ADPSK signal on 25-GHz grid using non-coherent receivers," Opt. Express 17, 13458-13466 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-16-13458


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