Pfau, Timo, et al. “Hardware-Efficient Coherent Digital Receiver Concept With Feedforward Carrier Recovery for M-QAM Constellations.”10.1109/JLT.2008.2010511__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 27, no. 5–8, 2009, pp. 989–99, doi:10.1109/JLT.2008.2010511.

Noé, Reinhold, et al. “-Krad/s 3.8-Grad Broadband Endless Optical Polarization Tracking Using LiNbO3 Device.”10.1109/LPT.2009.2024549__IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 21, no. 17, 2009, pp. 1220–22, doi:10.1109/LPT.2009.2024549.

Herath, Vijitha R., et al. “.5 Gbit/s 20 Channel 1:8 DEMUX for a Coherent Optical Receiver DSPU ASIC Input Interface.”10.1109/ICIINFS.2009.5429846__2009 INTERNATIONAL CONFERENCE ON INDUSTRIAL AND INFORMATION SYSTEMS, 2009, p. 312+, doi:10.1109/ICIINFS.2009.5429846.

Pfau, Timo, et al. “Hardware-Efficient Coherent Digital Receiver Concept With Feedforward Carrier Recovery for M-QAM Constellations.”10.1109/JLT.2008.2010511__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 27, no. 5–8, 2009, pp. 989–99, doi:10.1109/JLT.2008.2010511.

Herath, Vijitha R., et al. “.5 Gbit/s 20 Channel 1:8 DEMUX for a Coherent Optical Receiver DSPU ASIC Input Interface.”10.1109/ICIINFS.2009.5429846__2009 INTERNATIONAL CONFERENCE ON INDUSTRIAL AND INFORMATION SYSTEMS, 2009, p. 312+, doi:10.1109/ICIINFS.2009.5429846.

Noé, Reinhold, et al. “-Krad/s 3.8-Grad Broadband Endless Optical Polarization Tracking Using LiNbO3 Device.”10.1109/LPT.2009.2024549__IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 21, no. 17, 2009, pp. 1220–22, doi:10.1109/LPT.2009.2024549.

Pfau, Timo, et al. “Hardware-Efficient Coherent Digital Receiver Concept With Feedforward Carrier Recovery for $M$ -QAM Constellations.”10.1109/JLT.2008.2010511__Journal of Lightwave Technology, vol. 27, no. 8, 2009, pp. 989–99, doi:10.1109/JLT.2008.2010511.

El-Darawy, Mohamed, et al. “Analysis of an ASIC-Based Coherent Polarization-Multiplexed QPSK Receiver and Different Receiver Frontends.” 2009 ITG Symposium on Photonic Networks, 2009, pp. 1–4.

Pfau, Timo, and Reinhold Noé. “Algorithms for Optical QAM Detection.”10.1109/LEOSST.2009.5226258__2009 IEEE/LEOS Summer Topical Meeting, 2009, pp. 77–78, doi:10.1109/LEOSST.2009.5226258.

Herath, Vijitha R., et al. “.5 Gbit/s 20 Channel 18 DEMUX for a Coherent Optical Receiver DSPU ASIC Input Interface.”10.1109/ICIINFS.2009.5429846__2009 International Conference on Industrial and Information Systems (ICIIS), 2009, pp. 312–16, doi:10.1109/ICIINFS.2009.5429846.