Optical switching of high-bit-rate quadrature-phase-shift-keying (QPSK) pulse trains using
collinear acousto-optic (AO) devices is theoretically discussed. Since the collinear AO …

Optical switching of high-bit-rate pulse trains using collinear acoustooptic (AO) devices is
theoretically discussed. Since the collinear AO devices have wavelength selectivity, the …

Wavelength-selective processing of optical high-bit-rate wavelength-division-multiplexed
(WDM) pulses is a key function in photonic networks. Collinear acoustooptic (AO) devices …

Wavelength-selective optical integrated switch modules using collinear acousto-optic
interaction are investigated for applications to an optical frequency shifter and numerical …

Collinear acoustooptic (AO) devices have unique wavelength-selective switching
characteristics and are applicable to wavelength-division-multiplexing photonic switching …

Collinear acoustooptic (AO) switches are investigated for use in wavelength-division-
multiplex networks and photonic switching systems. Preliminary experiments of wavelength …

Waveguide-type acoustooptic (AO) switches can switch optical waves wavelength-
selectively for wavelength-division-multiplexed (WDM) signals. The switches can be …

A scheme for controlling the frequency difference of output pulse pair with double frequency
shift loops is proposed. The frequency shift system includes two loop elements of 20 and …

We analyze a feasible high-sensitivity homodyne coherent optical receiver for demodulating
optical quadrature phase-shift keying (QPSK). A fourth-power phase-lock loop based on a …

Reshaping of ultrashort optical pulses at 1.53 μm by using an integrated acousto-optic
tunable filter is reported. Control of the optical pulse shape is accomplished by adjusting the …