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August 2025

Infographics

Infographic titled "High-Resolution Nearfield Mapping of Spin-Orbit Interactions Using Photoinduced Force Microscopy (PiFM)." It illustrates a light beam transitioning from circular polarization to a vortex beam, passing through an image dipole to a PiFM tip dipole, resulting in high-resolution heat maps of optical force distribution.

Photonics Breakthroughs 2024: Nearfield observation of spin-orbit interactions at nanoscale

Photonics Journal
Researchers map nearfield spin–orbit interactions in vortex beams using PiFM, revealing nanoscale field structures for advanced nanophotonics design.
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Infographic titled "Investigating Hemodynamic Oscillations in Cerebral and Extracerebral Tissue Using TD fNIRS." It features a medical illustration of a human head with fNIRS sensors attached to the forehead, light paths reaching the brain, and two line graphs showing oxygenated and deoxygenated hemoglobin levels over time.

Exploring resting-state hemodynamic oscillations in cerebral and extracerebral tissue by TD fNIRS

Journal of Selected Topics in Quantum Electronics
Researchers used TD fNIRS to detect hemodynamic oscillations in the frontal cortex during rest and slow breathing, potentially expanding clinical monitoring for cerebral & extracerebral hemodynamics.
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Infographic titled "Vertical-Cavity Surface-Emitting Lasers (VCSEL) for Cryogenic Optical Links." It features a top-down microscopic view of a double intra-cavity contact VCSEL in operation and a detailed 3D cross-section diagram showing the internal semiconductor layers from the substrate to the light output.

Thermal characteristics of a double intra-cavity contact VCSEL for cryogenic optical links

Photonics Journal
Researchers have developed a cryo-VCSEL—a vertical-cavity surface-emitting laser designed to operate at temperatures as low as -269.15 °C (-452.47 °F). It enables high-bandwidth, scalable optical links for quantum computers, cryo-CMOS, and superconducting processors.
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Diagram of a quantum photonic sensor featuring a glass prism on a silver and Barium Titanate base. A red laser reflects through the prism. Text highlights a 28-fold increase in spin-dependent shift and a 52-fold increase in sensitivity over standard materials.

High Magnitude Spin-Dependent Shift and Field Enhancement in BaTiO3-based Plasmonics for Quantum Photonic Applications

Journal of Quantum Electronics
Researchers have integrated photonic spin–orbit interaction (SOI) with plasmonics using BaTiO₃, achieving a spin-dependent shift 28 times higher than silver! This paves the way for quantum-enabled optical devices like high-sensitivity sensors and optical differentiators.
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Research News Stories

Design Challenges in Binary 4H-SiC NUV-Enhanced SACM APDs

Design Challenges in Binary 4H-SiC NUV-Enhanced SACM APDs

Journal of Quantum Electronics
Researchers focus on their pathbreaking study on coupling free electrons with nonlinear optical states in integrated photonic microresonators
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Video Short

Assessment of Drone Agricultural Spraying Operations using Optical Fiber Sensors

Assessment of Drone Agricultural Spraying Operations using Optical Fiber Sensors

Journal of Selected Topics in Quantum Electronics
Researchers have created an optical fiber sensor (OFS) probe that can detect droplet drift from drone spraying up to 22 m away. The probe detects common active ingredients in pesticides with high sensitivity and is ideal for monitoring large farmland areas due to ease of deployment.
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