Topic
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 article, anisotropic selfdiffraction in BaTiO3 crystals utilizing the large electrooptic coefficientr42 is described in the absence of an external electric field the generated space charge field is determined by diffusion processes.
Abstract: Anisotropic selfdiffraction in BaTiO3 crystals utilizing the large electrooptic coefficientr42 is described In the absence of an external electric field the generated space charge field is determined by diffusion processes The theory is in agreement with the experimental results The angles between extraordinary and ordinary beams, the intensity and time dependence of transmitted and diffracted beams, and phase conjugation effects are measured and evaluated
66 citations
TL;DR: In this article, optical phase conjugation in a semiconductor-laser amplifier has the potential to compensate for the interplay of chromatic dispersion and nonlinear self-phase modulation, thereby enabling high-capacity high-power transmission over standard singlemode fibres.
Abstract: Experimental results are presented confirming that optical-phase conjugation in a semiconductor-laser amplifier has the potential to compensate for the interplay of chromatic dispersion and nonlinear self-phase modulation, thereby enabling high-capacity high-power transmission over standard singlemode fibres.
65 citations
TL;DR: In this paper, the principles and design of optical arrays are discussed, and an augmented 4 × 4 matrix is derived to describe the optical behavior of a misaligned optical element, which accounts for imaging properties, phase conjugation properties, and some other new properties of arrays.
Abstract: Publisher Summary This chapter discuses the principles and design of optical arrays. Arrays of optical elements can be found in nature, such as the compound eyes of insects, and in everyday life, such as the corner-cube arrays on cars and bicycles or on road signs. The chapter describes the most unusual new phenomena associated with arrays—that is, the non-Gaussian imaging property of GRIN (gradient index) rod arrays and the pseudo phase conjugation phenomenon of corner-cube arrays. The chapter reviews the essential features of the 2 × 2 ray transfer matrix method. The augmented 4 × 4 matrix introduced to describe the optical behavior of a misaligned optical element is derived. The chapter examines how an array may be treated in terms of a 2 × 2 matrix, which accounts for imaging properties, phase conjugation properties, and some other new properties of arrays. Some examples of arrays that possess interesting properties are given. The problem of the quality of synthesized images is treated by analyzing the additional aberrations of the arrays, and interference fringe formation, with particular regard to the conditions under which they can be eliminated.
65 citations
TL;DR: In this paper, the degenerate three-wave and four-wave phase conjugation was generalized to include signal-pump detuning and the theory is an extension of grating-dip spectroscopy.
Abstract: The formulations of degenerate three-wave and four-wave phase conjugation are generalized to include signal-pump detuning The theory is an extension of grating-dip spectroscopy The reflection bandpass is shown to be limited by the power-broadened bandwidth (∝1/T1) of the two-level population difference Unlike for running-wave saturation, the signal-absorption coefficient saturated by a standing wave shows virtually no gain regions
65 citations
22 Sep 1997
TL;DR: In this paper, a four-wave mixing in a dispersion arranged 750m highly nonlinear dispersion-shifted fiber with a nonlinear coefficient of 20.4 W-1 km-1.
Abstract: A simultaneous wavelength conversion of 200 Gb/s (5×40 Gb/s) WDM signal over the entire gain band of an Er-doped fiber amplifier (EDFA) is demonstrated by a four-wave mixing in a dispersion arranged 750-m highly nonlinear dispersion-shifted fiber with a nonlinear coefficient of 20.4 W-1 km-1. Simultaneous optical phase conjugation is also demonstrated with successful dispersion compensation in a 200 Gb/s (5×40 Gb/s) WDM transmission through a 105 km conventional single-mode fiber.
65 citations