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High-power digitally tunable laser with integrated star coupler

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7 Author(s)
D. Van Thourhout ; Lucent Technol. Bell Labs, Holmdel, NJ, USA ; P. Bernasconi ; B. Miller ; W. Yang
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A novel scheme for a digitally tunable laser requiring only P+Q+1 optical amplifiers for a device with in total P × Q wavelength channels is presented A 32-channel InP/InGaAsP based device is fabricated. An optimised active layer and low on-chip losses result in a high optical output power.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 4 )