M. Borgarino et al., Low frequency noise behaviour of InP/InGaAs heterojunction bipolar waveguide phototransistors, SOL ST ELEC, 44(1), 2000, pp. 59-62
In this paper we report on both the DC and low frequency noise (LFN) proper
ties of InP/InGaAs heterojunction bipolar phototransistors (HPTs) featuring
waveguide type illumination.
Both DC and LFN measurements demonstrate the good quality of these devices.
In particular, they exhibit a 1/f noise figure-of-merit of 2.10(-8) mu m(2
), which is exceptionally very good in the field of the compound semiconduc
tor HBTs, where values around 10(-7) mu m(2) are usually reported. (C) 2000
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