M. Seimetz, “Optical IQ-transmitter with a serial IQ-modulator”, utility patent at the German Patent and Trade Mark Office, DE 20 2006 000 197.2, 2006.
M. Seimetz and R. Freund, “Optical multi-format transmission system”, utility patent at the German Patent and Trade Mark Office, DE 20 2006 007 966.1, 2006.
M. Seimetz, “Optical receiver for reception of M-ary star-shaped quadrature amplitude modulation with differentially encoded phases and its application, patent granted at the German Patent and Trade Mark Office, DE 10 2006 030 915.4, 2006.
M. Seimetz, “Optical receiver for reception of M-ary star-shaped quadrature amplitude modulation with differentially encoded phases and its application, applied for in the USA.
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