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Journals and Conferences
Use of a single N/spl times/N wavelength multiplexer, to interconnect optically off order N/sup 2/ terminals without the use of space switches (hence switchless), is limited by call blocking and crosstalk in the multiplexer. Since all ports re-use the same wavelengths, poor crosstalk can cause severe homodyne beat-noise, particularly in planar N/spl times/N… (More)
Phase-induced intensity noise (PIIN) is a multipath interference effect. Several geometries giving rise to PIIN have been reported, including deliberate delays in all-fiber bit-rate limiters,1 reflections2 and Rayleigh backscatter in multistage amplified fiber links,3 and cross talk in wavelength-division multiplexed and optical time-division multiplexed… (More)
An optical self-routing add/drop packet network using wavelength coded header control signals is described. Experimental results for 2.5-Gbit/s 53-byte data packets transmitted through 50 km of standard step-index single-mode fiber are presented.<<ETX>>
A fiber-optic bipolar tap implementation is described. The proposed scheme utilizes 2's complement-number representation and digital multiplication by an analog convolution algorithm. Simple experimental verification of the scheme is presented. The addition of programmability to the taps results in the realization of a fast, flexible processor for… (More)
A programmable bipolar tap implementation is described. The proposed scheme utilizes fiber and integrated-optics technology in conjunction with twos complement number representation and digital multiplication by an analog convolution algorithm. Simple experimental verification of the scheme is presented.
An optical matrix multiplier based on a two-dimensional systolic-array architecture is described, exploiting the parallelism offered by optical methods. Experimental verification of multiplier performance is presented. A technique for multiple matrix multiplications is suggested.