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Hong, Jianyu; Wang, Youyang; Chen, Yuanjing; Weng, Guoen; Chen, Shaoqiang; Akiyama, Hidefumi; Zhang, Yingbin; Zhang, Bo; Chu, Junhao

doi:10.1002/pip.3267

Cited by 1 publication

(1 citation statement)

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“…Phase manipulation of electromagnetic (EM) waves has been widely applied in imaging, materials science, and communications. [1][2][3][4][5][6][7][8][9] Such as, dispersive phase control is DOI: 10.1002/adom.202301258 applied to wave-cloaking at the terahertz band, [4] an optical metabroadcasting communication system is proposed by employing the phase-modulated metasurface, [9] Traditionally, phase was controlled via wavevector methods such as lens-shaping, [10] impedance-analysis, [11] and the Huygens principle, [12] Recently, based on the Pancharatnam-Berry (P-B) phase, [13] of spin angular momentum (SAM), the rotation phase of circularly-polarized (CP) waves is characterized and applied in metasurface research, which has been a focused topic of EM research, [14][15][16][17][18] However, these phase modulation methods exist some limitations, such as, i) They are limited to phase-angle dimensionality, and ii) The rotation phase is inapplicable to linearly-polarized (LP) waves. Furthermore, magnitude and phase were generally deemed as two distinct characters, so that they should be controlled separately.…”

Section: Introductionmentioning

confidence: 99%

Magnitude‐Controlled Phase Based on Euler's Formula

Sun

Sima

et al. 2023

Advanced Optical Materials

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Phase manipulation plays a fundamental role in electromagnetic (EM) and optics research, i.e., the wavefront shaping depends heavily on phase modulation. However, the previous phase manipulation methods are limited to phase‐angle dimensionality, and the magnitude and phase are generally deemed as two distinct characters that should be controlled separately. Herein, a phase manipulation method in which phase is modulated by magnitude is proposed that follows an EM expression of Euler's formula. A rotation phase of linearly‐polarized waves is presented. Using this method, several unique applications in this research are demonstrated. First, a Hall effect of non‐angular‐momentum waves is obtained; second, an interdigital topology model with a unique topological‐charge control strategy is presented; and finally, the method is applied to holographic imaging, of which information of the hologram is recorded as a distribution of magnitude. Furthermore, as this method is applicable to all forms of harmonic waves, it can be potentially applied to other areas of wave phenomena such as acoustics and mechanics.

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