Title :
SOI based 2×2 and 4×4 waveguide couplers - evolution from DPSK to DQPSK
Author :
Voigt, Karsten ; Zimmermann, Lars ; Winzer, Georg ; Petermann, Klaus
Author_Institution :
Tech. Univ. Berlin, Berlin
Abstract :
We compare 2 times 2 and 4 times 4 multi-mode interference (MMI) couplers with respect to performance of D(Q)PSK-demodulators. We shall provide simulation and experimental data of MMI-devices realized in 4 mum silicon-on-insulator (SOI) rib waveguide technology.
Keywords :
demodulation; differential phase shift keying; electro-optical modulation; integrated optics; optical couplers; rib waveguides; silicon-on-insulator; DPSK demodulators; DQPSK demodulators; MMI-devices; SOI based waveguide couplers; Si-SiO2; multimode interference couplers; phase-shift-keying; rib waveguide technology; silicon-on-insulator; size 4 mum; Bandwidth; Couplers; Demodulation; Differential quadrature phase shift keying; Interference; Optical interferometry; Optical waveguides; Phase shift keying; Silicon on insulator technology; Switches;
Conference_Titel :
Group IV Photonics, 2008 5th IEEE International Conference on
Conference_Location :
Cardiff, Wales
Print_ISBN :
978-1-4244-1769-8
Electronic_ISBN :
978-1-4244-1768-1
DOI :
10.1109/GROUP4.2008.4638147
