Polarization-Independent Low-Crosstalk Operation of InAlGaAs-InAlAs Mach-Zehnder Interferometer-Type Photonic Switch With Hybrid Waveguide Structure

In this letter, we demonstrated a Mach-Zehnder interferometer-type photonic switch using multimode interference (MMI) couplers with InAlGaAs-InAlAs compound semiconductor materials. A hybrid-waveguide structure with different etching depths was adopted for MMI couplers and other parts of the wavegui...

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Veröffentlicht in:	IEEE photonics technology letters 2009-08, Vol.21 (16), p.1118-1120
Hauptverfasser:	Ueda, Y., Nakamura, S., Fujimoto, S., Yamada, H., Utaka, K., Shiota, T., Kitatani, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Couplers Etching High speed optical techniques InAlGaAs-InAlAs compound semiconductor Mach-Zehnder (MZ) interferometer photonic switch multimode interference (MMI) coupler Optical buffering Optical interferometry Optical packet switching Optical polarization Optical waveguides polarization independence Semiconductor waveguides Switches
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