This section covers active optical and optoelectronic devices, light sources, modulators, detectors, amplifiers, and active modules for optical communications, sensing, computing, and emerging photonic systems.

• Semiconductor lasers, DFB/DBR lasers, VCSELs, LEDs, and micro-LEDs
• Optical amplifiers, SOAs, gain devices, and integrated light sources
• High-speed modulators, photodetectors, APDs, SPADs, and single-photon detectors
• III-V, Si/Ge, polymer, lithium niobate, quantum-dot, and emerging-material devices
• Photonic integrated active devices and heterogeneous integration
• Active optical modules for data centers, LiDAR, sensing, imaging, and optical interconnects

This section focuses on passive optical devices, photonic integrated circuits, waveguide components, optical coupling structures, and passive modules.

• Passive photonic integrated circuits and planar lightwave circuits
• Silicon photonics passive devices and heterogeneous platforms
• Waveguides, couplers, splitters, MMI devices, AWGs, filters, and gratings
• Polarization control devices, optical switches, routing devices, and wavelength-selective devices
• Edge couplers, grating couplers, fiber-to-chip coupling, and passive packaging
• Metasurfaces, metalenses, micro-/nano-optics, MEMS optics, and free-space optical devices
• Passive modules for optical communications, sensing, imaging, and co-packaged optics

This section covers optical fibers, cables, specialty fibers, fiber devices, fiber sensing, fiber amplifiers, and fiber lasers.

• Optical fiber design, fabrication, characterization, and modeling
• Fiber cables, connectors, splicing, interconnection, and reliability
• Specialty fibers, hollow-core fibers, microstructured fibers, multicore fibers, and few-mode fibers
• Fibers for long-haul, metro, access, data-center, and SDM applications
• Fiber Bragg gratings, fiber devices, fiber amplifiers, and fiber lasers
• Distributed fiber sensing and fiber sensors for environmental, structural, biomedical, and industrial applications
• Nonlinear fiber optics and emerging fiber technologies

This section addresses optical network architectures, access networks, data-center networks, core/metro networks, network control, and photonic subsystems.

• Optical core, metro, access, and data-center network architectures
• PON, WDM-PON, coherent PON, OFDM-PON, TWDM-PON, and hybrid PON
• Data-center optical interconnects and intra-/inter-data-center networks
• Optical switching, routing, cross-connects, add-drop multiplexers, and network subsystems
• Co-packaged optics, near-packaged optics, optical I/O, and optical transceivers
• Software-defined optical networks, network virtualization, AI/ML-based network control, and monitoring
• Energy-efficient optical networks, field trials, interoperability, security, and resilience

This section covers high-speed optical transmission systems, modulation formats, multiplexing technologies, DSP, coding, and transmission subsystems.

• High-speed optical transmission systems and experiments
• Short-reach, data-center, metro, long-haul, and submarine transmission
• WDM, OTDM, OFDM, OCDM, SDM, and advanced multiplexing technologies
• Coherent systems, IM/DD, PAM4, QAM, OFDM, and advanced modulation formats
• DSP, FEC, equalization, nonlinear compensation, and impairment mitigation
• Optical transmitter/receiver subsystems and optical signal processing
• Free-space optical communication, optical wireless communication, and quantum communication

This section highlights silicon photonics, integrated photonics, quantum photonics, photonic computing, optical phased arrays, and photonic-electronic integration.

• Silicon photonics devices, circuits, systems, and wafer-scale platforms
• Photonic integrated circuits and heterogeneous integration of III-V, Si, Ge, lithium niobate, polymer, and emerging materials
• Photonic-electronic co-integration, advanced packaging, CPO, optical I/O, and photonic interconnects
• Programmable photonics, reconfigurable circuits, optical phased arrays, and LiDAR photonics
• Photonic computing, optical neural networks, neuromorphic photonics, and AI accelerators
• Quantum photonic devices, integrated quantum circuits, single-photon sources, and single-photon detectors
• Quantum communication, QKD, quantum computing, quantum information processing, and QRNG