Novel geometry for an integrated channel selector

A new reflective configuration for a monolithically integrated channel selector with power monitor is proposed. One star coupler, one arrayed waveguide grating, and a minimum number of semiconductor optical amplifier (SOA) gates are used to achieve loss-free transmission. A 32-channel device control...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2002-11, Vol.8 (6), p.1211-1214
Main Authors: Van Thourhout, D., Bernasconi, P., Miller, B., Weiguo Yang, Liming Zhang, Sauer, N., Stulz, L., Cabot, S.
Format: Article
Language:English
Subjects:
Arrayed waveguide gratings
Geometrical optics
Geometry
Monitoring
Optical arrays
Optical coupling
Optical losses
Optical waveguides
Semiconductor optical amplifiers
Semiconductor waveguides
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Summary:A new reflective configuration for a monolithically integrated channel selector with power monitor is proposed. One star coupler, one arrayed waveguide grating, and a minimum number of semiconductor optical amplifier (SOA) gates are used to achieve loss-free transmission. A 32-channel device controlled by only 12 SOA gates is realized in InP. Low on-chip losses result in strongly reduced bias currents and an improved signal to noise ratio compared to previously demonstrated devices. The use of SOAs allows for switching on a nanosecond time scale.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2002.805988