A monolithically integrated 1 x 4 switchable photodiode array with preamplifier for programmable frequency filters and optical interconnects
- 1 May 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 9 (5) , 675-677
- https://doi.org/10.1109/68.588201
Abstract
An InGaAs-InP 1/spl times/4 p-i-n photodiode array has been monolithically integrated with switching junction field-effect transistors and a transimpedance preamplifier. The switching on-off ratio at the output of the preamplifier is 60 dB. As an optical receiver, the circuit has a 3-dB bandwidth of 1.1 GHz and a sensitivity of -25 dBm at 1 Gb/s, BER=10/sup -9/, and 1.55-/spl mu/m wavelength. A programmable frequency filter has been demonstrated as an application of this novel circuit.Keywords
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