Dynamically actuated soft heliconical architecture via frequency of electric fields

Area of Science:

• Soft Matter Physics
• Photonics Engineering
• Materials Science

Background:

• Dynamic electric field frequency actuation of helical and spiral structures offers advanced photonics and engineering capabilities.
• Challenges exist in leveraging broad dynamic range frequency responsiveness and managing high-frequency induced heating in adaptive systems.

Purpose of the Study:

• To establish a novel frequency-actuated heliconical soft architecture distinct from common frequency-responsive materials.
• To demonstrate reversible modulation of the photonic bandgap across a wide spectral range.
• To develop a practical information encoder and a spatially controlled soft photonic cavity and laser emission.

Main Methods:

• Coupling frequency-dependent thermal effects, field-induced dielectric torque, and elastic equilibrium.
• Developing a heliconical soft architecture with tailored pitch length distribution.
• Prototyping an information encoder and a soft photonic cavity.

Main Results:

• Achieved reversible modulation of the photonic bandgap in a wide spectral range.
• Demonstrated a functional information encoder prototype without complex algorithms.
• Successfully embodied a technique for controlling pitch length distribution in a soft photonic cavity and laser emission prototype.

Conclusions:

• The heliconical soft system exhibits distinct frequency responsiveness, distinct from conventional materials.
• This work inspires interest in field-assisted bottom-up molecular engineering of soft matter.
• The findings facilitate the practicality of adaptive photonics and novel device applications.