Modern Quantum Optics textbooks recommended in the discussion include "Quantum Optics" by Scully and Zubairy, and "Quantum Optics" by Garrison and Chiao, both of which are noted for their comprehensive coverage. Participants emphasize the importance of staying updated with recent advancements in the field, suggesting that reading current research papers is essential for modern understanding. Other notable mentions include "Elements of Quantum Optics" by Meystre & Sargent and "Fundamentals of Quantum Optics and Quantum Information" by Lambropoulos & Petrosyan. The discussion reflects a blend of theoretical backgrounds and practical interests in quantum optics, with excitement about the learning resources shared. Overall, the thread highlights the significance of both classic and contemporary texts in grasping the evolving concepts in quantum optics.