Modulation advances have fueled more efficient use of bandwidth, although conventional modulation formats still require allowance for upper and lower sidebands around the carrier frequency. Ultra ...

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Abstract: Self-phase modulation (SPM) of gaussian-like pulses induces spectral broadening. This nonlinear effect enables the implementation of post-compression techniques, using a multipass cell (MPC) ...

A hybrid phase demodulation structure combining a 3 × 3 coupler and Sagnac interferometer is proposed to improve the spatial resolution and phase demodulation performance of the phase-sensitive ...

This theory models a system that autonomously adjusts its operational parameters based on internal state transitions and external feedback. It provides a flexible control architecture useful for ...

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS Complex modulation of optical fields (i.e., the control of light’s amplitude and phase) is vital to the ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. In this paper, we investigate the potential of achieving polarization independent ...

Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, People’s Republic of China School of Materials Science and Engineering, Peking University, Beijing 100871, People’s ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Abstract: Drawing on the effect of self-phase modulation (SPM), a novel fiber-based temperature sensor is presented in this work by using a polydimethylsiloxane (PDMS)-coated single-mode fiber (SMF) ...

Overmodulation techniques are used to improve dc bus voltage utilization for three-phase voltage-source converters (VSCs), resulting in significant reduction in fundamental voltage gain. Conventional ...