The 4th International Symposium on Quantum Computation and Communication (SQCC 2023) will be held on December 15-17, 2023 in Bangkok, Thailand. You are invited to submit papers/abstracts and participate in our academic exchange. The conference is soliciting state-of-the-art research papers in the following areas of interest(not limited to):Carbon nanotubes and grapheneCavity polaritonsEntanglement and error-correctionEntanglement and non-localityEntanglement swapping, relays and quantum repeatersFault tolerant quantum error correctionFiber based systemsFree space systemsFundamentals of Quantum TheoryIntegrated quantum photonicsMultimode entanglementMulti-party quantum communicationNew applications and protocolsNondeterministic communication complexityOpen quantum systems and entanglementPhotonic quantum systemsQuantum algorithms and complexityQuantum bits, gates and registersQuantum circuitsQuantum communicationQuantum computingQuantum continuous variablesQuantum cryptographyQuantum dotsQuantum fourier transform and applicationsPhysical realizationsQuantum hall systemsQuantum information processing devices and systemsQuantum Information TheoryQuantum interfaces and memoryQuantum interferometryQuantum key distributionQuantum memoriesQuantum nonlinear opticsQuantum optics and quantum photonicsQuantum silicon photonicsQuantum teleportationQuantum well cavity-polaritonsScience motivations and technology prioritiesSecure communication based on quantum key distributio