Topics and Descriptions for Submission Purposes
FiO 1: Fabrication, Design and Instrumentation
1.1 Optical Design and Instrumentation
This theme encompasses a broad range of subjects from general optical/illumination design to the design and testing of novel optical instruments. Topics include aberration theory, tolerancing, the desensitization of designs for cost reduction, diffractive optics, beam shaping, and system design and analysis. Contributions are also sought in the area of aberration fields of optical systems with freeform surfaces, freeform surface representations, and optical design methods for imaging/illumination systems with freeform surfaces.
1.2 Optical Fabrication and Testing
Optical fabrication and testing covers all aspects of optics fabrication and testing ranging from micro-optics to large optics, and from high-value optics to mass-produced optics. This theme emphasizes new ideas and concepts in fabrication and testing of micro-optics, the fabrication and testing of aspheric, conformal and freeform optics, fabrication of optics from novel materials, and finishing science.
1.3 Coherence, Interference, and Polarization
Coherence and polarization are fundamental properties of light fields which can be utilized and manipulated in optical science and engineering. Submissions are encouraged in coherence, interferometry, applications of interferometers, digital holography, holographic micro- and nano-fabrication methods, 3D holographic microscopy, optical image processing, beam shaping, subwavelength optics, fabrication of diffractive and micro-optical elements, creation, characterization and application of unconventional polarization states, the interaction of nanostructures with polarized light, polarizing in scattering, and other polarization related subjects.
1.4 Optical Metrology
This theme encompasses a broad range in metrology using optics including phase unwrapping, phase retrieval, 3D shape measurement, high precision fringe projection, moiré and triangulation, heterodyne interferometry, profilometry, reverse engineering, defect detection, microsystem inspection, lensless microscopy, deformation and strain measurement, digital speckle method, digital holographic interferometry, optical coherence tomography, fiber optics sensors, fiber optics metrology, and digital wavefront reconstruction.
1.5 Wavefront Sensing and Adaptive Optics
This theme is intended to promote technical exchange in the sciences and engineering of wavelength sensing and adaptive optics, with broad coverage ranging from theory, algorithm developments, numerical simulations, to hardware implementation and applications. The topics to be covered include but are not limited to: aberration theory; orthogonal polynomials in wavefront and aberration analysis, orthogonal polynomials descriptions for optical systems, wavefront sensing techniques, compressive sensing techniques, development and application of adaptive optics enabled imaging techniques, adaptive optical systems and optical instrumentation.
1.6 Optical Systems for Virtual Reality and Augmented Reality
Advances in optics have been essential to enable the rapid development of emerging consumer products such as virtual reality (VR) and augmented reality (AR). The topics include fabrication of image combiners for AR and waveguides for VR as well as design and instrumentation of head-mounted display, see-through 3D display systems, and depth imaging or 3D sensing.
1.7 Optical Systems for Automotive Applications
Optics becomes essential in automotive applications such as autonomous vehicles, head-up displays, sensors and vehicle displays. This theme will bring together researchers, engineers and industrial leaders for automotive optics systems. The topics include design and instrumentation of devices and systems for depth sensing such as LIDAR and stereo-matching, head-up display optics, vehicle displays, illumination design such as laser/LED headlight, and novel optical manufacturing techniques for devices and systems for automotive applications.
1.8 Fabrication and Instrumentation for Nanophotonics
The field of optical materials has been rapidly developing in recent years, promising to deliver new materials with exotic properties generally unattainable in nature. Full exhibition of their properties and functionalities relies on 3D control of metallic and/or dielectric structures in the nanoscale. This theme focuses on the design and fabrication of 3D/2D optical materials (including but not limited to 3D photonic crystals and 3D metamaterials) and 3D photonic integrated optics. The theme also includes optical nanolithography, EUV lithography, maskless lithography, metasurfaces, flat thin optics, nanoimprint technology, self-assembly nanopatterning, organic electronic device patterning, lithography for display technology, flexible electronic devices, etc.
FiO 2: Optical Interactions
2.1 Laser-Plasma Based Acceleration and Light Sources
Laser-plasma accelerators enable intense, compact, ultrafast sources of charged particles and electromagnetic radiation, opening new possibilities for scientific, medical, industrial, security, and other applications. Charged particles are accelerated by wakefields in underdense plasmas, by sheathfields in overdense plasmas, and by radiation pressure. The accelerated electrons can produce positrons, neutrons and electromagnetic radiation in various ways. Electromagnetic radiation is also produced directly, via high harmonic generation (Sub-theme 2.2) and THz production from solids. We seek contributions that explore these laser-based radiation sources and their applications.
2.2 Frequency Combs, High-Harmonic Generation, and Attoscience
The precise control of optical pulses opens new frontiers in temporal resolution and spectral coverage. High harmonic generation (HHG) in solids and gases produces intense bursts of UV and XUV light. Attosecond sources including HHG are enabling applications such as molecular dynamics with unprecedented time resolution. Comb technologies include novel fiber systems, high power solid-state devices, comb generation from quantum cascade lasers, direct modulators, and micro-combs. These frequency comb devices extend the spectral coverage and offer rapid re-configurability, scalability and compactness. We encourage submissions concerning source development and applications including those in interdisciplinary science (Sub-theme 2.5).
2.3 Light-Matter Interactions
Advanced light sources, such as ultrafast lasers and complex states of light, are playing revolutionary roles in material processing and are finding applications in advanced optics, photonics and medical device fabrication. For instance, the ultrafast-laser material interaction time is of the same order as the electron-phonon coupling time, therefore it is particularly attractive for investigating light-matter interactions, as well as for cutting, polishing, welding, or machining brittle, hard, or additively manufactured materials, for photo-polymerization of materials, for processing medical implants and for delicate surgery. We invite submissions covering fundamental and applied aspects of laser-irradiated materials, and structural and surface modifications including for biomedical applications.
2.4 Ultrafast Lasers and Applications
Ultrafast lasers are being developed to achieve high-average-power trains of ultrashort pulses or single-shot systems for extremely high intensities approaching 1024 W/cm2. These advances are leading to exciting applications in basic and applied research. In addition to the very active area of laser-particle acceleration, such lasers are used for laser fusion, THz generation and X-ray diagnostics, as well as remote sensing by use of laser filamentation. Lower-energy, high-repetition rate systems continue to be instrumental for chemistry and materials research, as well as laser-materials processing. We encourage submissions on ultrafast laser technologies, system design and applications in science and industry.
2.5 Complex States of Light
This theme encompasses states of light with features that make them fundamentally unique. Examples include: wavefields with orbital angular momentum or possessing propagation invariance, novel solutions of the wave equation, structured light, tailored beams and optical fields with polarization or phase singularities. These structured light sources find uses in fields including quantum information, quantum atom optics, laser micromanipulation, microscopy, and material science. Transmission of light into and through turbid or complex media by use of complex wavefront coding is also included in this area. We encourage submissions on both production and applications concerning these states of light.
2.6 General Optical Interactions
This theme encompasses a broad range of optical interactions topics which do not fit in the other specific topics. We invite submissions of both experimental and theoretical work, ranging from fundamental to applied research in optical interactions.
FiO 3: Quantum Electronics
3.1 Nanophotonics and Nanoplasmonics
Topics include, but not limited to: physics and applications of nanophotonic and nanoplasmonic structures; materials and fabrication methods; optical gain and nonlinearities in nanoplasmonic and nanophotonic structures; quantum nanophotonic and nanoplasmonic devices; spectroscopy and sensing using plasmonic and nanophotonic structures; cavity nano-optomechanical systems; photonic and phononic crystals, metamaterials and metasurfaces; on-chip photonic integrated circuits; enhanced light-matter interactions; topological photonics.
3.2 Coherent Laser and Light Generation
Topics include, but are not limited to: compact on-chip lasers, parametric light generation, Brillouin and Raman lasing, polaritonic lasing, compact free-electron lasers, 2D material based lasers, novel concepts for enhancing the laser coherence and power at micro and nanoscale, squeezed-state generation, nonlinear and collective dynamic phenomena, laser integration on passive platforms, heterogeneous laser integration.
3.3 Photonic Quantum Technologies
Topics include, but not limited to: theoretical and experimental implementation of qubits and quantum gates using optical, semiconductor, atomic, superconducting, and hybrid systems; integrated quantum photonics; generation and manipulation of single and entangled photons; single-photon and photon-number resolving detectors and readout circuitry; state tomography; quantum imaging; quantum memories; quantum metrology and sensors; quantum simulation and computation; quantum-enabled measurements.
3.4 Optical Processes in Solids and Nanoscale Light-Matter Interaction
Topics include, but are not limited to: spectroscopy and applications of low-dimensional materials such as quantum wells, wires and dots, 2D materials; excitonic, phononic, magnonic and polaritonic materials and devices; organic optoelectronic materials and devices; single- or collective quantum emitter systems; perovskite optoelectronics.
3.5 Classical/Quantum Information Processing, Sensing and Metrology
Topics include, but are not limited to: classical and quantum logic; optical approaches for quantum and classical neural networks; coherent computing, solving NP-hard problems, parity-time simulations in 2D systems, neuromorphic processing; quantum metrology and quantum-limited sensors, topologically protected circuits.
3.6 General Quantum Electronics
This is a broad theme related to laser physics, quantum mechanics, and light-matter interactions. This includes, but is not limited to, the following specific fields: quantum optics, nonlinear optics, quantum electrodynamics, quantum-enhanced microscopy, and laser science and engineering. This theme will also accept fundamental studies on non-classical aspects of light. Submissions of both experimental and theoretical work are welcome, with an emphasis which can range from fundamental to applied research, and which do not fit in the above-mentioned specific themes.
FiO 4: Fiber Optics and Optical Communications Photonics
4.1 Optical Communications
This topic broadly encompasses the areas of optical communications and optical transmission systems, including long haul networking, undersea networks, short reach applications, data centers, passive optical networks, RF over fiber transmission systems, and free space communications principles. The topic also covers novel encoding schemes supporting high capacity communications (such as OAM, Nyquist pulses / spectrum shaped modulation, super-channel and multi-carrier transmission techniques), short reach modulation schemes, and transmission in unconventional bands. Submissions are also welcome in the areas of DSP or machine learning for optical transmission systems, and linear and nonlinear impairments compensation and mitigation.
4.2 Fiber Optics for Communications
The subtopic encompasses transport optical fibers (single mode, multicore, multimode), for long haul and data center applications, as well as fiber-based devices such as multiplexers and demultiplexers, fiber-optic amplifiers, switches, resonators, signal processing technologies, and novel architectures and components for data-center applications. Specialty fibers, such as hollow core, plastic (polymer), or photonic crystal fibers, for communications or sensing applications, are also included in this theme.
4.3 Devices and Subsystems for Optical Communications
The subcategory welcomes submissions in the areas of devices and subsystems for optical communications. These include passive and active devices, components and circuits, as well as modeling and simulation, fabrication processes and techniques, and their application in telecommunications, data centers, optical interconnects and free space communications. Active and passive optical devices and subsystems designed, fabricated or integrated in various material systems such as III-V, silicon, polymer, plasmonic and hybrid combinations are subsumed under this theme, as well as advanced integration techniques of electronics and optics.
FiO 5: Photonic Integrated Devices and Applications
5.1 Plasmonics and Metamaterials
Waves supported at metal-dielectric interfaces and in devices patterned with nanoscale structures can be used for the manipulation of electromagnetic fields on sub-wavelength length scales as well as for the enhancement of linear and nonlinear effects. This theme focuses on plasmonic structures and metamaterials for enhanced optical scattering, modulators, sensors, detectors, creating strong light-matter interactions, flat lenses and other imaging devices, and surface wave control.
5.2 Nanoscale Waveguide and Resonator Devices
Devices formed in high index contrast material platforms support strongly confined optical modes with sub-micron transverse dimensions for dense integration and strongly enhanced linear and nonlinear effects. They have applications including information processing, sensing and fundamental studies of light-matter coupling. This topic focuses on photonic crystals, nanocavities, nanowires, nanophotonic optomechanical devices, whispering gallery mode resonators, nanotubes, devices for coupling light to 2D materials, and nanostructures for integrated photonic devices and circuits.
5.3 Large-Scale Photonic Integration
Photonic foundries have enabled the scaling up of integrated photonic devices to the system and subsystem level. This theme broadly covers such large-scale photonic integration including monolithic integration of silicon, heterogeneous integration of silicon with other photonic platforms, and other photonic platforms based on difference materials such as compound semiconductors, polymers, or lithium niobate.
5.4 Integrated Devices for Computing, Sensing and other Applications
This theme broadly covers photonic devices for applications such as computing and sensing. Optical fiber sensors based on specialty fibers, including photonic crystal, polymer, and multi-core fibers are considered. It includes the generation and manipulation of light using optical fibers, ranging from fundamental physical processes to design and fabrication of specialty fibers to evaluation of performance results. Integrated photonics operating in the mid-infrared spectral region have a wide range of applications in spectroscopy, free-space optical communications, and chemical/bio-sensing, and are included in this topic. Additional applications of photonic devices including computing and security will be considered.
FiO 6: Optics in Biology, Medicine, Vision, and Color
6.1 Probing Neurons and their Networks with Optics, from Cells to the Human Brain
Optical tools provide unique capacities to probe brain function, from the neuronal level to functional activation. These capabilities have been emphasized and enhanced by the recent US and EU BRAIN initiatives. This subcategory seeks submissions including microscopic and macroscopic measurements of neuronal activity, functional activation, and cerebral/neuronal networks. Submissions utilizing both intrinsic and extrinsic contrasts are welcome, as are studies utilizing the unique contrasts of optics in conjunction with other imaging modalities.
6.2 Advances in Technology and Applications of Label-free Optical Sensing, Monitoring, and Imaging for Biomedicine
Scattering, fluorescence, absorption, and many other intrinsic optical contrasts have been used for great effect from basic biology through clinical applications. For example, optical coherence tomography (OCT) has experienced explosive growth over the last 25 years, from academic papers to significant commercialization. OCT, Raman, ultra-high resolution, multi-photon, and other technologies continue to be developed, refined, and applied. This subcategory seeks submissions which explore new technical developments in and applications of label free optical techniques in the context of pre-clinical and clinical questions.
6.3 Hearing Light: Photoacoustic Imaging
Photoacoustic measurements offer the combination of optical contrasts and acoustic resolution across a range of length scales. The wealth of biologically interesting chromophores and contrast agents, coupled with the high acoustic transmission of many tissues, enable unprecedented imaging of thick tissues. This subcategory includes advances in technologies and applications of photoacoustics, including theranostics, across length scales.
6.4 Fiber Optic and Endoscopic Sensors in Biology and Medicine (joint session with FiO 4)
Fiber optics have enabled the transmission of light to and from tissues previously inaccessible to optical techniques. Moreover, fiber optics themselves have been developed as sensing tools. This subcategory broadly includes development and applications of fiber optic sensors and endoscopic tools to clinical and pre-clinical measurements.
6.5 Virtual, Remote, and Augmented Realities
Recent technological developments have brought virtual, remote, and augmented technologies to a wide variety of consumer and health care applications, e.g., modern technologies allow a remote expert to examine a patient. More broadly, virtual and mixed reality introduce novel challenges for vision science and display engineering. These new technologies have sparked renewed interest for known scientific questions (e.g. perceptuo-motor recalibration, depth distortions, simulator sickness, and visual fatigue due to the vergence-accommodation conflict). In addition, they also open new avenues of research to develop novel ways to deliver rich sensory information to active observers (e.g. light fields, holographic displays). This subcategory focuses on optical enhancements of medical observation over distance (e.g., tele-medicine/presence), wavelength (e.g., hyperspectral imaging for bedside diagnosis, contrast enhanced overlays of surgical fields of view), and access (e.g., catheter based imaging). Additionally, this subcategory encompasses work on the understanding of how human observation can be understood and enhanced through research into human factors and data presentation, understanding of perceptual issues, and novel solutions based on engineering, computational imaging, and vision science.
6.6 Vision and Color
Basic, applied, and clinical vision science are all intimately connected to fundamental understandings and applications of optics and photonics. This subcategory encourages submissions from all areas of vision science. Submissions will be evaluated according to their appeal to the broader optics community, their relevance to the study of human vision, and their relevance to related industries.
6.7 Machine and Deep Learning in Biomedical Applications
Together with the development of novel treatment and diagnostic optical techniques, data interpretation has become a crucial issue in many clinical applications. The diagnostic information that comes directly from many sophisticated optical techniques cannot be easily correlated with pathological data. In this context, machine and deep learning approaches can greatly improve the efficiency of those techniques, in terms of clinical relevance. This subcategory looks for complex algorithmic approaches, based for instance on neural networks, applied mainly to unidimensional data, imaging or multidimensional biomedical data, which are able to provide further information of clinical relevance.
6.8 General topics in biomedical optics
Biomedical optics is a broad field, with many interrelated subfields. This subcategory encourages submission from authors whose works do not fall obviously into one of the above subcategories.
FiO 7: Information Acquisition, Processing and Display
7.1 Computational/Transformation Optics and Optics in Computing
This subcategory represents a broad spectrum of research area that welcomes all scientific and technical papers on the topics concerning computational or transformation optics as well as optics in computing. Submissions are encouraged in the development and application of high-accuracy numerical methods for computational optics, transformation optics for imaging, optical analogue computing, neural networks, quantum information processing, quantum mechanics in memory and computing, and optical design for computational imaging instruments.
7.2 General Information Acquisition and Processing
This subtopic encompasses a broad range of subjects from general optical information acquisition, image sensing and processing. Contributions are sought in but not limited to the areas of applied spectroscopy, optics and processing in camera technology, passive and active acquisition systems, compressive optical sensing, digital holography, pattern recognition and imaging, artificial intelligence, 2D/3D data conversion, efficient encoding and decoding method, computer-generated holography (CGH), transformation/computational optics, optical computing, polarization optics, and applications in information acquisition and processing.
7.3 General Information Display Technology
This subtopic covers all aspects of optics, optoelectronics and processing applied to information display technology. These scopes are sought in but not limited to the areas of head-up display, head-mounted display, see-through display, high-definition display, optical materials/films and devices for information display, polarization optics, backlight system, touch sensor, sensors on display, human-machine interface, evaluation methodology of display, and application systems in information display.
7.4 3D and Light-Field Optics in Information Acquisition and Display Applications
The subtopic specifies the technologies related to 3D and light-field in information acquisition, processing, and display. The topics to be covered include but are not limited to: light-field camera, digital holography, multi-camera system, LiDAR, 3D reconstruction of scene, 3D object recognition, model-based and image-based view synthesis, passive and active systems, light-field display, holographic display, autostereoscopic display, volume display, optical devices for 3D display, liquid crystal lenses, and applications in information display.
Laser Science Categories
LS 1: Nanophotonics, Plasmonics, and Metamaterials
Studies of subwavelength electromagnetic phenomena in metals, dielectrics, and two-dimensional materials, spanning from THz through visible wavelengths. Topics include light confinement, Purcell effect, strong coupling, enhanced detection, polariton propagation, meta-surfaces, meta-devices, holography, novel imaging, integration with quantum materials.
LS 2: Quantum Science
Investigations of quantum phenomena involving optics and photonics, as well as applications in areas related to quantum information science and other quantum technologies. Topics include quantum interactions of light with matter, characterization and physics of single quantum emitters, generation, detection, and characterization of quantum states of light, quantum opto-mechanics, novel quantum precision measurements, quantum memories and repeaters, and hybrid quantum systems.
LS 3: Ultrafast Dynamics in Complex Systems
Studies of dynamics in complex systems spanning chemistry, biology, materials science, and quantum materials. Ultrafast optical techniques provide powerful approaches to investigate cooperativity and competition between microscopic degrees of freedom that lead to emergent properties. Examples in this theme include light-driven phases and competing orders in quantum materials; spin dynamics and optical control of magnetism; exciton physics in semiconductors, van der Waals coupled layers, and perovskites; optical coupling in light-harvesting complexes and photovoltaics; electronic and vibrational dynamics in complex molecules.
LS 4: XFEL and High-field Laser Science
Experimental and theoretical investigations harnessing the perspectives enabled by accelerator-based and table-top short wavelength light sources, including high-harmonic and X-ray free-electron lasers (XFELs), as well as the behavior of matter in strong light fields. Topical examples include coherent imaging and ptychography, structural studies and diffuse scattering, nonlinear X-ray experiments, dynamical studies and field-driven phenomena ranging from the sub-attosecond to picosecond regimes in atoms, molecules, and solids, as well as new source developments.