G. Arjavalingam

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Filtering of microwä e signals using coupled photonic ring resonators fabricated in the silica wa ̈eguide technology is described. Integrated thermo-optic phase shifters allow for control of the optical phase and the passband shape. Tuning of the microwä e passband ̈ia optical wa ̈elength and phase is demonstrated. Q 1999 John Wiley & Sons, Inc. Microwave(More)
The first observation to the authors' knowledge of electromagnetic surface waves in a two-dimensional dielectric crystal is reported. By using the coherent microwave transient spectroscopy technique, surface waves are shown to exist at frequencies within the photonic band gap for certain lattice terminations. Energy at gigahertz frequencies is coupled into(More)
Cross-correlation widths of 2.2 psec between picosecond pulses at two wavelengths have been observed with a double-mode-locked dye laser. This was achieved after careful optimization and stabilization of the laser. The jitter in the laser output is deduced to be about 0.3 psec. The jitter in the round-trip time was also measured and foundto be about 0.3(More)
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