en تخصصي Special پژوهشي Research <div style="text-align: justify;">We investigate the medium effect of a parity-time (PT)-symmetric bilayer on the quantum optical properties of an incident squeezed light at zero temperature (<em>T</em>=0 K). To do so, we use the canonical quantization approach and describe the amplification and dissipation properties of the constituent layers of the bilayer structure by Lorentz model to analyze the quadrature squeezing of the outgoing state from the bilayer structure. Our results show that despite the apparent compensation of the losses within the bilayer in the symmetry phase, the outgoing light is no longer squeezed. The results also show that the quantum optical effective medium theory correctly predicts the quantum features of the light outgoing from the PT-symmetric bilayer structure.</div> <div style="text-align: justify;"></div> Parity-time (PT)-symmetry, Quadrature squeezing, Electromagnetic field quantization, Quantum optical effective-medium theory. 181 188 http://ijop.ir/browse.php?a_code=A-10-29-3&slc_lang=en&sid=1 Elnaz Pilehvar e.pilehvar@modares.ac.ir 10031947532846002688 10031947532846002688 No Faculty of Electrical and Computer Engineering, Nano Plasmo-Photonic Research Group, Tarbiat Modares University Ehsan Amooghorban amoghorban@gmail.com 10031947532846002689 10031947532846002689 No Faculty of Science, Department of Physics, Shahrekord University Mohammad Kazem Moravvej-Farshi moravvej@modares.ac.ir 10031947532846002690 10031947532846002690 Yes Faculty of Electrical and Computer Engineering, Nano Plasmo-Photonic Research Group, Tarbiat Modares University