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Cloud computing has become the new paradigm for computation and service delivery.

Directional transmission to Australia, India, South Africa, West Africa and Canada, the 5 zones of the British Empire, is used, the best wave-length being chosen according to distance and path cond

Broad band GaAs/Al sub x Ga sub (1-x) As quantum well infrared detectors grown by molecular beam epitaxy have been demonstrated which are sensitive over the lambda = 8-12microns atmosphere window s

By pumping a fiber in the anomalous group velocity dispersion regime with a color center laser, we generate femtosecond pulses with tau > ~ 100fsec covering a wide spectral range between 1.55

Eighty-nine 42.7 Gbit/s, 100 GHz-spaced WDM channels in a 72 nm seamless band were transmitted over 40 x 100 km of fibre using carrier-suppressed return-to-zero differential-phase-shift-keyed modul

A broad-band Mach-Zehnder-interferometer-synchronized flat-top arrayed waveguide grating is presented with a 0.5-dB bandwidth of 12 nm over 90 nm of spectral range and a central excess loss value o

Broad-hand and pulsewidth maintained wavelength conversion based on a nonlinear optical loop mirror (NOLM) consisting of l-km high-nonlinearity dispersion-shifted fiber (HNL-DSF) is realized in the

If the voltage and current with their relative phases at any point in a transmission line can be sampled, the sample outputs can be combined in various ways, to give a standing-wave monitor, a powe

Tunability of optical signal filters such as fiber Bragg gratings is important for high volume data communications.

We present a compact 15-mode multi-plane light conversion device with a linear fiber array input, Hermite-Gaussian modes output, 8 phase masks and 8?