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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 31, Iss. 13 — Jul. 1, 2013
  • pp: 2244–2253

An Integrated 40 Gbit/s Optical Costas Receiver

Mingzhi Lu, Hyun-chul Park, Eli Bloch, Abirami Sivananthan, John S. Parker, Zach Griffith, Leif A. Johansson, Mark J. W. Rodwell, and Larry A. Coldren

Journal of Lightwave Technology, Vol. 31, Issue 13, pp. 2244-2253 (2013)


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Abstract

In this paper, a highly-integrated widely-tunable optical homodyne receiver is reported with 40 Gbaud/s data rate. By using photonic and electronic integration, the receiver is realized within a size of 10×10 mm2, and the system is very robust and resistive to environmental changes. An integrated photonic coherent receiver circuit is demonstrated with 35 GHz photodetector bandwidth, and the integrated local oscillator (LO) laser covers a 40 nm range. The electronic IC (EIC) has a working frequency up to 50 GHz. The feedback loop is carefully analyzed and designed, and the experimental results show > 1.1 GHz loop bandwidth, which matches the design. The hold-in range is measured to be > 15 GHz. The phase noise of the transmitting laser has been cloned to the LO laser quite well, and both the linewidth measurement and phase noise measurement show no observable cross talk between binary phase shift keying (BPSK) data and the optical phase-locked loop (OPLL). Error free (bit error rate < 10-12) is achieved up to 35 Gbit/s. The system consumes 3 Watts of power.

© 2013 IEEE

Citation
Mingzhi Lu, Hyun-chul Park, Eli Bloch, Abirami Sivananthan, John S. Parker, Zach Griffith, Leif A. Johansson, Mark J. W. Rodwell, and Larry A. Coldren, "An Integrated 40 Gbit/s Optical Costas Receiver," J. Lightwave Technol. 31, 2244-2253 (2013)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-31-13-2244

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