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InP–InGaAsP Integrated 1 \times 5 Optical Switch Using Arrayed Phase Shifters

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7 Author(s)
Tanemura, T. ; Res. Center for Adv. Sci. & Technol., Univ. of Tokyo, Tokyo ; Takenaka, M. ; Al Amin, A. ; Takeda, K.
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An integrated semiconductor 1times5 InP-InGaAsP optical phased-array switch is fabricated and characterized. Using the carrier-induced refractive index change of InGaAsP waveguide, we achieve successful switching to five output ports with less than 60-mA current injection. Wide operating bandwidth covering the entire C-band (1520-1580 nm) and nanoseconds dynamic response are demonstrated, making it potentially applicable to large-capacity wavelength-multiplexed optical-packet-switching routers.

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Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 12 )