Abstract: A microwave-to-optical photon transducer is provided for generating coupling between a microwave signal (Sin2) and an optical signal (Spi_in1, Spi_out1). The transducer comprises: a first input port; a second input port; a first output port for outputting the optical signal (Spi_out1) and one or more optical sideband signals (Sout1, Sout11, Sout12); a first waveguide disposed between the first input port and the first output port to allow the optical signal (Spi_in1) and the one or more optical sideband signals (Sout1, Sout11, Sout12) to propagate in the first waveguide; a second waveguide connected to the second input port, and extending in the transducer adjacent to the first waveguide to allow the microwave signal (Sin2) to propagate in the second waveguide; a phase-matching arrangement to cause at least the optical signal (Spi_in1) and the microwave signal (Sin2) to be phase-matched or quasi-phase-matched.

Abstract: There is provided a MOMS sensor comprising a fiber interface comprising a fiber passthrough for one or more optical fibers, a cavity comprising an element hermetically encapsulated within the cavity, wherein the element is movably anchored by SiN arms, which are movable with respect to walls of the cavity, wherein the SiN arms comprise anchor portions at first ends of the SiN arms, which are connected to the element, and at second ends of the SiN arms, which are connected to the walls of the cavity, and the fiber interface is configured to receive the fibers through the fiber passthrough into positions for communications of light between the element and the fibers. In this way a robust structure that supports sensitivity of the sensor is provided.

Abstract: There is provided a MOMS sensor comprising a fiber interface comprising a fiber passthrough for one or more optical fibers, a cavity comprising an element hermetically encapsulated within the cavity, wherein the element is movably anchored by SiN arms, which are movable with respect to walls of the cavity, wherein the SiN arms comprise anchor portions at first ends of the SiN arms, which are connected to the element, and at second ends of the SiN arms, which are connected to the walls of the cavity, and the fiber interface is configured to receive the fibers through the fiber passthrough into positions for communications of light between the element and the fibers. In this way a robust structure that supports sensitivity of the sensor is provided.