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We have investigated the room temperature optical properties of 50 µm length, 11 µm large and 500 nm thick tensile-strained germanium photonic wires. Tensile strain is transferred in the germanium layer using a Si3N4 film stressor. An optical recombination of tensile-strained germanium involving light hole band is observed around 1690 nm at room temperature corresponding to a strain magnitude around...
We have investigated pure germanium two-dimensional photonic crystals. The photonic crystals which exhibit resonances in the near infrared spectral range were fabricated on germanium-on-insulator substrates using standard silicon-based processing. The germanium-on-insulator substrate consists of a thin layer of pure germanium-on-oxide deposited on a silicon substrate. The optical properties are probed...
We have investigated pure germanium two-dimensional photonic crystals. The photonic crystals which exhibit resonances in the near infrared spectral range were fabricated on germanium-on-insulator substrates using standard silicon-based processing. The germanium-on-insulator substrate consists of a thin layer of pure germanium-on-oxide deposited on a silicon substrate. The optical properties are probed...
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