▎ 摘　　要

NOVELTY - The arrangement has a gating electrode layer for providing a tuning voltage to a graphene layer. A laser layer provides an electromagnetic wave. A concentric-circular grating layer couples the electromagnetic wave to the graphene layer. The graphene layer is provided above the gating electrode layer. An insulator layer is arranged between the concentric-circular grating layer and the gating electrode layer. The gating electrode layer is provided above the insulator layer. The insulator layer is provided above the concentric-circular grating layer. USE - Layer arrangement i.e. integrated graphene modulator, for an application. Uses include but are not limited to a non-destructive imaging application, spectroscopic sensing application, ultra-high bit rate wireless optical communication application, beam manipulation application, and a active mode locking application. ADVANTAGE - The modulator is miniaturized, thus increasing modulation speed due to reduced parasitic capacitance and resistance of the device by having a smaller device area and by optimization of the design of a laser cavity and a modulator architecture and achieving a better modulation depth. The arrangement decreases time constant by reducing width of slits of a gating electrode which can make an effective area of a graphene sheet smaller, so that a graphene capacitance is smaller. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for fabricating a layer arrangement. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram illustrating a method for fabricating a layer arrangement. Method for fabricating layer arrangement (200A) Step for providing graphene layer (220) Step for providing gating electrode layer to provide tuning voltage to graphene layer (222) Step for providing laser layer to provide electromagnetic wave (224) Step for providing concentric-circular grating layer to couple electromagnetic wave to graphene layer (226)