19 citations · 53 across the 11 of their papers we have counts for
12 papers
Asymmetric imaging: Reciprocity bounds and manifestations
Romil Audhkhasi, Anna Wirth-Singh, Rose Johnson +6
Recent demonstrations of unidirectional imaging using diffractive multilayers have brought a concept akin to optical isolation to imaging, yet the fundamental limits of such asymme…
Complex wavefront engineering via decoupled space-time modulation
Virat Tara, Anna Wirth-Singh, Johannes E. Fröch +1
Solid-state Spatial Light Modulators (SLMs) are fundamentally limited in their ability to achieve high spatial complexity and high temporal bandwidth simultaneously. High-speed, lo…
Transferable polychromatic optical encoder for neural networks
Minho Choi, Jinlin Xiang, Anna Wirth-Singh +3
Artificial neural networks (ANNs) have fundamentally transformed the field of computer vision, providing unprecedented performance. However, these ANNs for image processing demand…
Broadband long-range thermal imaging via meta-correctors
Cameron Vo, Owen Anderson, Anna Wirth-Singh +3
Long-range imaging in the thermal infrared band is critical for applications such as environmental monitoring, industrial inspections, and surveillance. To achieve high quality ima…
Meta-optical Imaging at Thermal Wavelengths
Anna Wirth-Singh, Aurelia M. Brook, Rose Johnson +2
The field of meta-optics has grown to include metalenses spanning the ultraviolet to terahertz regimes. Imaging is a key application of meta-optics, with recent works demonstrating…
Meta-Optics Triplet for Zoom Imaging at Mid-Wave Infrared
Anna Wirth-Singh, Arturo Martin Jimenez, Minho Choi +5
Lenses with dynamic focal length, also called zoom functionality, enable a variety of applications related to imaging and sensing. The traditional approach of stacking refractive l…
Wide Field of View Large Aperture Meta-Doublet Eyepiece
Anna Wirth-Singh, Johannes E. Fröch, Fan Yang +10
Wide field of view and light weight optics are critical for advanced eyewear, with applications in augmented/virtual reality and night vision. Conventional refractive lenses are of…
Compressed Meta-Optical Encoder for Image Classification
Anna Wirth-Singh, Jinlin Xiang, Minho Choi +5
Optical and hybrid convolutional neural networks (CNNs) recently have become of increasing interest to achieve low-latency, low-power image classification and computer vision tasks…
Beating bandwidth limits for large aperture broadband nano-optics
Johannes E. Fröch, Praneeth K. Chakravarthula, Jipeng Sun +10
Flat optics have been proposed as an attractive approach for the implementation of new imaging and sensing modalities to replace and augment refractive optics. However, chromatic a…
Broadband Thermal Imaging using Meta-Optics
Luocheng Huang, Zheyi Han, Anna Wirth-Singh +13
Subwavelength diffractive optics known as meta-optics have demonstrated the potential to significantly miniaturize imaging systems. However, despite impressive demonstrations, most…
Large Field-of-View Thermal Imaging via All-Silicon Meta-Optics
Anna Wirth-Singh, Johannes E. Fröch, Zheyi Han +6
A broad range of imaging and sensing technologies in the infrared require large Field-of-View (FoV) operation. To achieve this, traditional refractive systems often employ multiple…
Large area optimization of meta-lens via data-free machine learning
Maksym V. Zhelyeznyakov, Johannes E. Froch, Anna Wirth-Singh +4
Sub-wavelength diffractive optics meta-optics present a multi-scale optical system, where the behavior of constituent sub-wavelength scatterers, or meta-atoms, need to be modelled…