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Monolithic arrays of surface emitting laser NOR logic devices

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6 Author(s)
Song, J.I. ; Bellcore, Red Bank, NJ, USA ; Lee, Y.-H. ; Yoo, J.Y. ; Shin, J.H.
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Monolithic, cascadable, laser-logic-device arrays have been realized and characterized. The monolithic surface-emitting laser logic (SELL) device consists of an AlGaAs superlattice lasing around 780 nm connected to a heterojunction phototransistor (HPT) in parallel and a resistor in series. Arrays up to 8*8 have been fabricated, and 2*2 arrays show uniform characteristics. The optical logic output is switched off with 40 mu W incident optical input.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 8 )