High contrast GaInAs:Fe photoconductive optical AND gate fortime-division demultiplexing |
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| Authors: | Desurvive E. Tell B. Kaminow I.P. Qua G.J. Brown-Goebeler K.F. Miller B.I. Koren U. |
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| Affiliation: | AT&T Bell Labs., Crawford Hill Lab., Holmdel, NJ; |
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| Abstract: | A high-contrast, three port optical AND gate based on the photoconductive effect in Ga0.47In0.53As:Fe and operating in the λ=1.3-5 μm wavelength range is demonstrated. A 250:1 optical power contrast ratio (or 48 dB in electrical power after detection) is obtained in an optical-to-optical time division demultiplexing of a 100 MHz pulse train by a 6.25 MHz clock, both at λ=1.3 μm, with the demultiplexed output pulses at λ=1.5 μm |
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