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Journals and Conferences
We present the first experimental demonstration of a fully electronic system for the temporal magnification of signals in the ultra-wideband regime. The system employs a broadband analog multiplier and uses chirped electromagnetic-bandgap structures in microstrip technology to provide the required signal dispersion. The demonstrated system achieves a… (More)
An iterative joint decoding algorithm for data gathering wireless sensor networks is proposed in where the correlation between sensorspsila data is considered as a global code and iterative decoding is performed by concatenating the global decoder with the decoder of error correcting code applied to encode sensors observations. We apply this algorithm for… (More)
A power law relationship is established between wavelength usage and algebraic connectivity of backbone wavelength division multiplexing networks. From this observation, a concise prediction formula linking wavelength consumption to network topologies is derived and evaluated for real-world wide area networks. It is shown that the… (More)
The design and simulation of a 1×N optical switch is presented. Sub-¿s switching is achieved through a voltage-controlled optical phase array. Electrode voltages are provided by a high-voltage CMOS chip. Switching angles are within 2°.
We report the design of two electro-optic deflectors. The half-horn and parabola shaped EO scanners provide deflection angles of 2.5°and 3.22° degrees. These are the largest angles reported to date for bulk effect EO scanners.
We present a systematic study of an asymmetric switchable grating enabling the coupling between a waveguide and a ring resonator. The ring can act as an optical memory or as a pulse retiming device.
Fast phase-locking PLLs are proposed as a new solution for recovery of burst-mode data. Modeling and circuit implementation have demonstrated phase-lock times on the order of tens of bits for data recovery at OC-48 rates.
We present a lithographically tunable, resonant subwavelength grating based Fabry-Perot cavity structure for mutliwavelength array devices. Theoretical and experimental performance of the cavity is discussed.