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A new single chip optical CMOS detector for next generation optical storage systems

: Hehemann, I.; Brockherde, W.; Hofmann, H.; Kemna, A.; Hosticka, B.J.

Symposium on VLSI Technology 2003. Symposium on VLSI Circuits 2003. CD-ROM : Kyoto, June 10-12, 2003
Piscataway, NJ: IEEE, 2003
ISBN: 4-89114-035-6
Symposium on VLSI Technology <23, 2003, Kyoto>
Symposium on VLSI Circuits <17, 2003, Kyoto>
Fraunhofer IMS ()
sensor; optical detector; optical storage system; Meßaufnehmer; CMOS; Lichtempfänger

In this paper a new fully integrated detector architecture for pick-up units in optical storage systems is presented. Apart from a special diode constellation for data recovery it features a 5x5 diode matrix for determination of the average spatial light power distribution across the detector. The chip, fabricated in a standard 0.6µm CMOS process, operates at a 3.3V power supply and occupies 1.78x1.58mm2. It includes six high frequency readout and one low frequency readout paths.