Low-noise optical detection of a 1.1 Gb/s optical data stream

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Low-noise optical detection of a 1.1 Gb/s optical data stream

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© The Institution of Electrical Engineers
Published

A low-noise, 1.1 Gb/s optical receiver has been built using a silicon a.p.d. and a GaAs f.e.t. The receiver sensitivity was evaluated using error-rate measurements, and for a bit error rate of 10−9, with no fibre, the measured optical sensitivity was −37.0 dBm. These results are used as a basis for the calculation of maximum repeater spacings for 1.1 Gb/s systems operating at 0.85 μm and 1.25 μm wavelengths.

Inspec keywords: receivers; optical communication equipment; avalanche photodiodes

Other keywords: FET; microwaves; optical detection; avalanche photodiode; bit error rate; data transmission; optical receiver; GaAs

Subjects: Optical communication; Photoelectric devices

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