Welcome to Magnolia
Magnolia Optical Technologies—MagnoliaSemi—develops advanced materials, devices, and imaging technologies for demanding optical, infrared, ultraviolet, and space applications. Our capabilities span nanostructured antireflection coatings, high-efficiency photovoltaics, UV and IR detectors, focal-plane arrays, and extended-wavelength photodetectors.
Advanced Materials
We engineer nanostructured coatings, quantum-well architectures, SiGe/Ge materials, graphene, and carbon-enhanced layers to control light, charge, and heat.
Detector & Imaging Technologies
Our capabilities span UV, visible-to-NIR, MWIR/LWIR, and uncooled IR sensing, including detector arrays, APDs, photodetectors, focal-plane arrays, and microbolometers.
Built for Demanding Applications
We apply semiconductor and optical innovation to space systems, remote sensing, defense and security, scientific instrumentation, and other high-performance applications.
1. Nanostructured Antireflection Coatings
2. Quantum-Well-Enhanced Photovoltaics for Space
2. Quantum-Well-Enhanced Photovoltaics for Space
- Application: Reduce reflection losses so more light reaches optical sensors, imaging systems, and photovoltaic devices.
- Our work: Magnolia designs and deposits nanostructured coatings with tailored refractive-index profiles for selected substrates, wavelength bands, and incidence angles.
- Development stage: Fabricated coatings with measured optical performance on glass, lenses, and infrared substrates.
2. Quantum-Well-Enhanced Photovoltaics for Space
2. Quantum-Well-Enhanced Photovoltaics for Space
2. Quantum-Well-Enhanced Photovoltaics for Space
- Application: Increase the electrical power obtained from sunlight while limiting voltage losses in III-V solar cells.
- Our work: Magnolia and research collaborators have investigated strain-balanced quantum wells and optical reflectors that extend absorption and improve current generation in multijunction photovoltaic devices.
- Development stage: Laboratory solar cells with measured performance under a simulated space solar spectrum.
3. GaN/AlGaN Ultraviolet Avalanche Photodiodes
2. Quantum-Well-Enhanced Photovoltaics for Space
4. Infrared Detectors & Focal-Plane Technologies
- Application: Detect weak ultraviolet signals with internal electrical amplification for sensing and scientific instrumentation.
- Our work: Magnolia and collaborators have developed GaN/AlGaN avalanche photodiodes through semiconductor growth, device design, fabrication, and characterization.
- Development stage: UV detector devices with measured avalanche amplification, supported by published detector and array research.
4. Infrared Detectors & Focal-Plane Technologies
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
4. Infrared Detectors & Focal-Plane Technologies
- Application: Improve infrared sensitivity and support compact sensing and imaging instruments.
- Our work: Magnolia's research includes graphene-enhanced HgCdTe MWIR detectors and nanostructured coatings integrated with partner-developed LWIR focal-plane arrays.
- Development stage: Published laboratory MWIR detector research and measured coating improvements on LWIR focal-plane arrays.
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
- Application: Extend optical sensing beyond silicon's spectral response while retaining compatibility with silicon-based fabrication.
- Our work: Magnolia and collaborators have developed germanium-based photodiodes on silicon, including epitaxial growth, doping optimization, and optical and electrical characterization.
- Development stage: Fabricated and tested detector elements intended for near-infrared imaging arrays.
6. Advanced Materials for Uncooled IR Detectors
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
5. SiGe/Ge Photodetectors for Visible-to-NIR Sensing
- Application: Improve the sensitivity of thermal detectors for compact infrared sensing and imaging.
- Our work: Magnolia and collaborators have investigated vanadium oxide, carbon nanotubes, and graphene for microbolometer materials, with emphasis on temperature-dependent resistance and electrical noise.
- Development stage: Materials fabrication and test-structure characterization supporting microbolometer development.
Magnolia's Patents & Publications
Technology Roadmap & Research Directions
Magnolia's roadmap connects its established materials and device research with opportunities in optical integration, photon-level sensing, and advanced optical systems. These four themes describe directions for development and collaboration; the six core technology areas above present our established work and published results.
Photonics Circuit & Quantum Technologies
Integrated Photonics & Photonic Circuits
Connect optical functions within compact photonic platforms. Potential research includes photonic circuit design, integration of III-V devices with silicon, and optical packaging that connects devices with the wider system. The objective is to translate materials and device expertise into more integrated optical architectures.
Quantum Photonics & Single-Photon Technologies
Extend detector expertise toward photon-level sensing and measurement. Potential projects include single-photon detector concepts, associated readout approaches, and integration into quantum sensing and communication experiments. Each project would define the required sensitivity, timing performance, and operating conditions.
Optical Material & Device Technologies
Advanced Detectors, Imaging & Space Photovoltaics
Translate detector and solar-cell advances into more integrated sensing and power systems. Opportunities include coupling detectors to readout electronics, extending multispectral imaging, and evaluating device performance under space-relevant conditions. Development milestones would be defined for the requirements of each application.
Optical Materials, Coatings & Engineered Surfaces
Extend nanostructured coating research toward greater control of transmission, reflection, and optical wavefronts. Opportunities include application-specific optical surfaces, environmental durability studies, and exploratory metasurface and metalens designs. Each direction would build on existing materials knowledge while establishing its own performance evidence.