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Phase conjugation
About: Phase conjugation is a research topic. Over the lifetime, 3694 publications have been published within this topic receiving 49099 citations.
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TL;DR: In this paper, the carrier-envelope phase-dependent inversion generated in a two-level system by excitation with a few-cycle pulse was theoretically studied and the invariance of the inversion under time reversal of the exciting field was characterized.
Abstract: We theoretically study the carrier-envelope phase-dependent inversion generated in a two-level system by excitation with a few-cycle pulse. On the basis of the invariance of the inversion under time reversal of the exciting field, parameters are introduced to characterize the phase sensitivity of the induced inversion. Linear and nonlinear phase effects are numerically studied for rectangular and sinc-shaped pulses. Furthermore, analytical results are obtained in the limits of weak fields, as well as strong dephasing, and by nearly degenerate perturbation theory for sinusoidal excitation. The results show that the phase-sensitive inversion in the ideal two-level system is a promising route for constructing carrier-envelope phase detectors.
17 citations
TL;DR: Using a degenerate optical phase conjugation device, a new real-time coherent optical Wigner distribution and ambiguity function implementation method for both one-and two-dimensional complex signals is suggested in this paper.
17 citations
TL;DR: A self-starting stimulated-Brillouin-scattering phaseconjugate resonator in a flash-lamp-pumped dye-laser system that increases the brightness of the laser by a factor of 40 compared with that of an equivalent plane-]plane conventional resonator.
Abstract: We demonstrate, for the first time to our knowledge, a self-starting stimulated-Brillouin-scattering phase-conjugate resonator in a flash-lamp-pumped dye-laser system. The brightness of the laser is increased by a factor of 40 compared with that of an equivalent plane–plane conventional resonator.
17 citations
17 citations
TL;DR: In this article, phase conjugation and dynamic holography were demonstrated by degenerate four-wave mixing in a continuous-wave diode-pumped Nd:YVO4 laser for the first time.
Abstract: We demonstrate phase conjugation and dynamic holography by degenerate four-wave mixing in a continuous-wave diode-pumped Nd:YVO4 laser for the first time. A phase-conjugate reflectivity of 1.4% is obtained with a 12 W diode power. The experimental results and the optimizing parameters, such as the cavity mirror reflectivities, are compared with results from a steady-state theoretical analysis.
17 citations