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2.5 Gb/s transmission over 674 km at multiple wavelengths using a tunable DBR laser with an integrated electroabsorption modulator

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7 Author(s)
Reichmann, K.C. ; Crawford Hill Lab., AT&T Bell Labs., Holmdel, NJ, USA ; Magill, P.D. ; Koren, U. ; Miller, B.I.
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We present a distributed Bragg reflector (DBR) laser/modulator photonic integrated circuit capable of transmission over 674 km of conventional fiber at 2.5 Gb/s. Transmission was performed at four wavelengths over a range of >4 nm. The bit error rate (BER) sensitivity achieved at each wavelength varied by less than 1.1 dB. These results produce a record bit rate-distance product at each wavelength of 1.7 Tb.km/s for monolithic transmitters through nondispersion shifted fiber. Such devices are ideal sources for multichannel wavelength-division-multiplexed (WDM) transmission systems.<>

Published in:
Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 9 )

Date of Publication: Sept. 1993

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