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1.55 mu m multiquantum well semiconductor optical amplifier with low gain ripple and high coupling efficiency for photonic circuit integration

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9 Author(s)
Newkirk, M.A. ; AT&T Bell Labs., Holmdel, NJ, USA ; Miller, B.I. ; Koren, U. ; Young, M.G.
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The Letter demonstrates a 1.55 mu m multiquantum well amplifier on an extended InGaAsP passive waveguide with only +or-0.14 dB gain. Reflectivity <8*10-5 from active-to-passive transitions and 41% coupling efficiency from a single-mode fibre are obtained. These amplifiers are suitable for integration with other optical devices in photonic integrated circuits.

Published in:

Electronics Letters  (Volume:29 ,  Issue: 5 )