Government of the United States of America, as Represented by the Secretary of Commerce

Technical University of Denmark

University of Copenhagen

Emil Zeuthen

Jacob M Taylor

Eugene Simon Polzik

Silvan Schmid

Albert Schliesser

Anders Simonsen

Luis Guillermo Villanueva

Anders Sondberg Sorensen

Juergen Appel

Koji Usami

Tolga Bagci

An optical detector for detecting radio frequency (RF) signals, the optical detector comprising a light source and a photodetector, and an electrical circuit comprising a position dependent capacitor and a bias voltage source adapted for providing a bias voltage for biasing the position dependent capacitor, the position dependent capacitor comprising an electrode and a membrane being displaceable in reaction to RF signals incident on the membrane, the membrane being metallized, has a thickness of less than 1 &#x3bc;m and a quality factor, Q, of at least 20,000, and the distance between the membrane and the electrode being less than 10 &#x3bc;m.

Optical detector and amplifier for RF-detection having a position dependent capacitor with a displaceable membrane

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Copenhagen, Denmark

Emil Zeuthen