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Room-temperature CW operation of InGaAsP lasers on Si fabricated by wafer bonding

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2 Author(s)
H. Wada ; Optoelectron. Oki Lab., Real World Comput. Partnership, Tokyo, Japan ; T. Kamijoh

1.3-μm InGaAsP-InP lasers have been successfully fabricated on Si substrates by wafer bonding with heat treatment at 400/spl deg/C. A pressure of 4 kg/cm2 has been applied on the wafers before the heat treatment and this pressure application has enabled us to achieve bonding strength required for the device fabrication even when the bonding temperature is as low as 400/spl deg/C. Room-temperature continuous-wave operation with threshold current of 49 mA has been achieved for 7-μm-wide mesa lasers.

Published in:

IEEE Photonics Technology Letters  (Volume:8 ,  Issue: 2 )