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Research Article

Photonic Eigenmodes in a Photonic Crystal Membrane

Figure 4

Contribution of resonator's modes into the light transmission through the membrane. SWE and coupled wave method calculation for finite 8 × 8 Si/SiO2 photonic membrane. Contribution of resonator's modes Ω 𝑞 > 0 . 0 2 . Incidence in the diagonal 𝜃 1 = 𝜋 / 4 ( Γ 𝑀 ) direction. Elementary cell parameters: 𝑑 1 𝑥 = 𝑑 1 𝑦 = 4  μm, 𝑑 2 𝑥 = 𝑑 2 𝑦 = 1  μm. Shown is transmission in energy interval (0, 0.5) eV. 1, normalized DOS diagram. Angles of incidence. 2: Θ 𝑙 = 6 °; 3: Θ 𝑙 = 1 8 °; 4: Θ 𝑙 = 3 0 °; 5: Θ 𝑙 = 4 2 °; 6: Θ 𝑙 = 5 4 °. The membrane thickness, 𝐿 = 5 0  μm. Inset: contribution of the phonon polariton mode Ω p h = 0 . 0 6 2 9  eV, 𝐿 = 1 0 0  μm, Θ 𝑙 = 3 6 °.
373968.fig.004