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Crosstalk characteristics of a 1.3-μm/1.5-μm wavelength demultiplexing photodetector using laser-assisted MOMBE growth

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5 Author(s)
Suzuki, Y. ; NTT Opto-Electron. Labs., Kanagawa, Japan ; Ig, R. ; Yamada, Takeshi ; Sugiura, Hideo
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This paper demonstrates a monolithic 1.3-μm/1.5-μm wavelength demultiplexing photodetector fabricated using Ar ion laser-assisted metal organic molecular beam epitaxy (MOMBE) growth. Reduction of crosstalk to -24 dB is accomplished in both 1.3-μm and 1.5-μm wavelength regions. The dependence of the crosstalk on the coupling efficiency between the fiber and device and the polarization dependence of the responsivity is also discussed

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Lightwave Technology, Journal of  (Volume:17 ,  Issue: 3 )