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A novel electronically switched four-channel receiver using InAlAs-InGaAs MSM-HEMT technology for wavelength-division-multiplexing

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10 Author(s)
Chang, G.-K. ; Bellcore, Red Bank, NJ, USA ; Hong, W.P. ; Bhat, R. ; Nguyen, C.K.
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A novel, electronically integrated, four-channel optical receiver is demonstrated which is designed for electronic channel selection of different wavelength channels in a wavelength-division-multiplexing-based optical network. The receiver consists of four InAlAs-InGaAs metal-semiconductor-metal (MSM) photodetectors that can be independently switched on or off electronically by a digital signal. An optical extinction ratio of 20 dB for the MSM detector was observed. The sensitivity of this optoelectronic integrated circuit receiver is -25.2 dBm at 1.2 Gb/s data rate.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 5 )