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Low-crosstalk 3.125 Gbit/s×four-channel LD array with isolated electrodes for parallel optical communications

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5 Author(s)
Suzuki, N. ; Labs. of Photonic & Wireless Devices Res., NEC Corp., Shiga-Ken, Japan ; Shiba, K. ; Tsukuda, T. ; Yoneda, I.
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An array of 1.3 μm FP-LDs with their anodes and cathodes separated channel by channel was developed to suppress interchannel electric crosstalk at high frequency. Low crosstalk of less than -30 dB was obtained between neighbouring LDs at 3.125 GHz. This is sufficiently low that BER characteristics observed under asynchronous operation of a four-channel LD array were found to be no worse than those under single channel operation

Published in:

Electronics Letters  (Volume:37 ,  Issue: 10 )