Abstract: Reflecting layers in first, second and third regions are separated from a reflecting layer in the surrounding region by a separating groove. The first region is folded in a valley shape from a substrate at a groove, the first region and the second region are folded in a valley shape at a groove, the third region is folded in a valley shape from the substrate at a groove, and the second region and the third region are folded in a mountain shape by a line.

Abstract: An upper reflecting layer in a main region, a first support region and a second support region is separated from an upper reflecting layer in the surrounding region by separating grooves. The first support region and the second support region are folded in a valley shape from a substrate at grooves, and the first support region, the second support region and the main region are folded in a mountain shape, and the upper reflecting layer in the main region faces parallel to the substrate with spacing.

Abstract: A release layer composed of AlGaAs, a strain layer, a strain compensation layer composed of an InGaAs, and a component layer are formed on a GaAs substrate. The component layer includes a DBR film. A recess for defining a bent region is formed in the component layer. The component layer, the strain compensation layer, the strain layer, and the release layer are removed in an approximately U shape, thereby forming a groove. The release layer under the strain layer is selectively removed. The strain layer is bent at a region below the recess so as to relax strain caused by the difference in the lattice constant between the InGaAs layer and the GaAs layer, and the component layer stands perpendicularly to the GaAs substrate.

Abstract: An upper reflecting layer in a main region, a first support region and a second support region is separated from an upper reflecting layer in the surrounding region by separating grooves. The first support region and the second support region are folded in a valley shape from a substrate at grooves, and the first support region, the second support region and the main region are folded in a mountain shape, and the upper reflecting layer in the main region faces parallel to the substrate with spacing.

Abstract: Reflecting layers in first, second and third regions are separated from a reflecting layer in the surrounding region by a separating groove. The first region is folded in a valley shape from a substrate at a groove, the first region and the second region are folded in a valley shape at a groove, the third region is folded in a valley shape from the substrate at a groove, and the second region and the third region are folded in a mountain shape by a line.

Abstract: A release layer composed of AlGaAs, a strain layer, a strain compensation layer composed of an InGaAs, and a component layer are formed on a GaAs substrate. The component layer includes a DBR film. A recess for defining a bent region is formed in the component layer. The component layer, the strain compensation layer, the strain layer, and the release layer are removed in an approximately U shape, thereby forming a groove. The release layer under the strain layer is selectively removed. The strain layer is bent at a region below the recess so as to relax strain caused by the difference in the lattice constant between the InGaAs layer and the GaAs layer, and the component layer stands perpendicularly to the GaAs substrate.

Abstract: A release layer composed of AlGaAs, a strain layer, a strain compensation layer composed of an InGaAs, and a component layer are formed on a GaAs substrate. The component layer includes a DBR film. A recess for defining a bent region is formed in the component layer. The component layer, the strain compensation layer, the strain layer, and the release layer are removed in an approximately U shape, thereby forming a groove. The release layer under the strain layer is selectively removed. The strain layer is bent at a region below the recess so as to relax strain caused by the difference in the lattice constant between the InGaAs layer and the GaAs layer, and the component layer stands perpendicularly to the GaAs substrate.

Abstract: A release layer composed of AlGaAs, a strain layer, a strain compensation layer composed of an InGaAs, and a component layer are formed on a GaAs substrate. The component layer includes a DBR film. A recess for defining a bent region is formed in the component layer. The component layer, the strain compensation layer, the strain layer, and the release layer are removed in an approximately U shape, thereby forming a groove. The release layer under the strain layer is selectively removed. The strain layer is bent at a region below the recess so as to relax strain caused by the difference in the lattice constant between the InGaAs layer and the GaAs layer, and the component layer stands perpendicularly to the GaAs substrate.