Topological Acoustics & Quantum Analogy

What is Topological Acoustics?

Topological acoustics is a cutting-edge field that applies the mathematical tools of topology—the study of geometric properties preserved under continuous deformations—to understand and control sound waves in new ways. By mapping sound fields to abstract, multidimensional spaces (Hilbert spaces), we can visualize and manipulate the geometry of sound in ways never before possible.

  • Quantum Analogy: Sound waves can mimic the behavior of quantum particles, exhibiting robust, “topologically protected” states that are immune to defects and disorder—similar to electrons in topological insulators.
  • Applications: This approach enables the design of novel acoustic devices for robust waveguiding, energy-efficient signal processing, and ultra-sensitive sensing.

My Research Focus

1. Quantum Analogies for Quantum Information Systems (QIS)

  • Objective: Harness the coherence and quantum analogies of acoustic spin waves to develop robust, scalable systems for storing, processing, and retrieving large-scale information.
  • Impact: Addresses the fragility of traditional quantum systems by leveraging the stability and controllability of topological acoustic modes.

2. Topological Acoustic Wave RF Devices

  • Objective: Design innovative, low-cost, and energy-efficient devices for wireless communication.
  • Impact: Utilizes the robustness and “spin” properties of acoustic waves to revolutionize next-generation RF and telecommunications technologies.

3. Sensing the Natural Environment Using Topological Acoustics

  • Objective: Develop advanced sensing technologies to monitor environmental changes in real time.
  • Impact: Enables unparalleled precision in tracking permafrost thawing, soil dryness, and other climate-related phenomena—critical for addressing global environmental challenges16.

Why This Matters

Topological acoustics is transforming how we think about sound and its applications:

  • Robust Waveguides: Sound waves that travel without scattering or loss, even in complex environments.
  • Quantum-Inspired Computing: Acoustic systems that emulate quantum entanglement and superposition, opening new pathways for information processing.
  • Environmental Sensing: Ultra-sensitive detection of subtle changes in the environment, supporting climate science and infrastructure monitoring6.
  • Energy Efficiency: Devices that require less power for signal processing, extending battery life in consumer electronics and beyond.

Explore More

Get in Touch

Interested in learning more or collaborating on topological acoustics and quantum-inspired technologies?
Contact me: samarjithbiswas@arizona.edu

Samarjith Biswas, PhD
Research Scientist III
New Frontiers of Sound Science & Technology Center
University of Arizona