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Phase diversity transmission experiments employing novel optical and electronic components


Sunak, H.R.D. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Coherent Lightwave Communications 1989 : 7 - 8 September 1989, Boston, Massachusetts, Proceedings
Bellingham/Wash.: SPIE, 1989 (SPIE Proceedings Series 1175)
ISBN: 0-8194-0211-7
Conference "Coherent Lightwave Communications" <4, 1989, Boston/Mass.>
Conference Paper
Fraunhofer HHI ()
bipolar integrated circuits; demodulators; elemental semiconductors; integrated optics; lithium compounds; optical communication equipment; optical fibres; phase shift keying; silicon; dpsk optical transmission; balanced phase diversity receiver; compact bulk optical hybrid; demodulator; AFC-stage; receiver sensitivity; 565 mbit/s; linbo3 integrated optical hybrid; Si bipolar multiplier IC

565 Mbit/s DPSK optical transmission experiments with a balanced phase diversity receiver are reported. The receiver was realized employing two different optical 90 degrees hybrids, an integrated optics hybrid on LiNbO3 and a compact bulk optical hybrid. A silicon bipolar multiplier IC was used in the demodulator and in the AFC-stage if the receiver. Long term stability at a BER of 10-9 with a receiver sensitivity of -48.5 dBm was obtained.