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We propose an all-optical differentiation scheme based on polarization coupling and filtering while perform it well at 12.5 Gb/s with error ~0.07, which is applicable to high-speed optical signal processing at 40 Gb/s and above.
We report a gain-enhanced and spectral-narrowed optical parametric oscillator based on a monolithic PPLN integrating an optical parametric generator with two electro-optically active polarization-mode converters. Unique spectral manipulation of the OPO signal is also demonstrated.
We report the experimental demonstration of pulsed-pump wavelength exchange for all-optical time de-multiplexing of 160-Gb/s RZ signals. Power penalty les 2.7 dB at 10-9 was achieved for all de-multiplexed 10-Gb/s RZ signals.
We use narrow-band quantum light sources, tuned to the rubidium D1 resonance, to produce polarization-squeezed and polarization-NooN states for Heisenberg-limited measurements on atoms. By paramagnetic Faraday rotation these states measure the atomic spin polarization.
The polarization of ultrafast terahertz pulses generated in a laser induced plasma can be controlled by the relative phase of the fundamental and the second harmonic optical fields.
A new electro-optic duo-binary modulator is proposed. Utilizing non-periodic polarization reversal structures, a pair of Gaussian-like modulation frequency responses with an opposite sign is obtainable. It operates with a single duo-binary signal without electrical/optical filters.
A tunable entanglement distiller for arbitrary two-photon polarization qubits is demonstrated using novel tunable local filters constructed with rotatable birefringent prisms. The distillation is confirmed by comparing the concurrences of the two-photon states.
We demonstrate, for the first time, independent control over mechanical and optical properties within single chip-scale optomechanical resonators. The direct observation of micromechanical normal-mode splitting enables combining ultra-high optical finesse with material-loss limited mechanical Q-factors.
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