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High sensitivity and wide-dynamic-range optical receiver for 40 Gbit/s optical communication networks

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5 Author(s)
Vetury, R. ; GTRAN Inc., Newbury Park, CA, USA ; Gontijo, I. ; Krishnamurthy, K. ; Pullela, R.
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An optical receiver for 40 Gbit/s communication networks demonstrating very high sensitivity without optical amplification has been developed. The receiver comprises an InP-based pin diode and HBT transimpedance amplifier. The receiver achieves a back-to-back sensitivity of -9 dBm and a high dynamic range of 13 dBm, measured using a pseudorandom binary sequence of 231 - 1 at a bit error rate of 10-12. These results show the highest sensitivity and widest dynamic range yet reported for 40 Gbit/s optical receivers without optical amplification.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 1 )