HIGH-SPEED OPTICAL DETECTION UP TO 2.5Gbit/s WITH A DOUBLE POLYSILICON SELF-ALIGNED SILICON BIPOLAR TRANSISTOR W. BOCK, L. TREITINGER et W. PRETTL J. Phys. Colloques, 49 C4 (1988) C4-89-C4-92 DOI: 10.1051/jphyscol:1988418