We are pleased to invite you to share your latest research progress in this Special Issue organized by IEEE Photonics Journal (PJ). In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not limited to) the following:

O-ISAC based on optical fiber interferometer
O-ISAC based on the scattering in the fiber
O-ISAC based on power profile envelope analysis
O-ISAC based on polarization analysis of the communication data
Advanced digital signal processing (DSP) algorithms for O-ISAC, incorporating machine learning and artificial intelligence
Novel modulation and demodulation techniques for O-ISAC
High-performance optoelectronic devices and optical fibers tailored for O-ISAC
Performance analysis and optimization of O-ISAC systems
Instrumentation development for O-ISAC
O-ISAC applications: results reporting and analysis
Other related works