| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| CDQ | Cromodinàmica Quàntica = QCD | Quantum Chromodynamics | In English  | 
In Catalan | |
| CQGra | Classical and Quantum Gravity | In English | → Serial publications, periodicals → Astronomy → Physics  | 
| CQGrS | Classical and Quantum Gravity Supplement | In English | → Serial publications, periodicals → Astronomy → Physics  | 
| DIGEOHOS | Differential Geometry of Quantum Homogeneous Spaces | In English | → Geometry → Differential calculus  | 
| EQD | Electrodinàmica Quàntica = QED | Quantum Electrodynamics | In English  | 
In Catalan | |
| IQOQI | Institut für Quantenoptik und Quantenkommunikation (www.iqoqi.at) = IQOQI | Institute for Quantum Optics and Quantum Information | In English  | 
In German | → Research institutes → Optics → Austria  | 
| IQOQI | Institute for Quantum Optics and Quantum Information (www.iqoqi.at) = (look above)  | 
In English | → Research institutes → Optics → Austria  | 
| OptQE | Optical Quantum Electronics | In English | → Serial publications, periodicals → Optics → Engineering, technology  | 
| OQE | Optical and Quantum Electronics | In English | → Serial publications, periodicals → Optics → Engineering, technology  | 
| PhQE | Physics of Quantum Electronics | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics  | 
| PQE | Progress in Quantum Electronics | In English | → Serial publications, periodicals → Electronics  | 
| PT-SQUAD | Photon-Trap Structures for Quantum Advanced Detectors | In English | → Electromagnetism | 
| QCA | Quantum Cellular Automata | In English | |
| QCD | Quantum Chromodynamics = CDQ (look above)  | 
In English | |
| QD | Quantum Dot | In English | |
| QED | Quantum Electrodynamics = EQD (look above)  | 
In English | |
| QFT | Quantum Field Theory | In English | |
| QIS | Quantum Information Science | In English | → Computer science | 
| QuOpt | Quantum Optics | In English | → Serial publications, periodicals → Optics  | 
| QuSOp | Quantum and Semiclassical Optics | In English | → Serial publications, periodicals → Optics  | 
| SECOQC | Secure Communication based on Quantum Cryptography | In English | → Telecommunications | 
| SvJQE | Soviet Journal of Quantum Electronics | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics  |