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Fabrication of micro- and nano-photonic devices in mono-crystalline diamond
Date: Monday, November 5, 2012 Time: 4:00pm Location: 125 Steele, Caltech Speaker: Andrei Faraon
KNI / MDL Joint Seminar
Diamond is a material with outstanding optical, mechanical, and thermal properties. However, it is currently used only in niche optical applications because of its high cost and the difficulty to process it. Recently, diamond has been intensely studied in the field of solid state quantum optics because it contains nitrogen-vacancy centres with outstanding properties as individual spin qubits. The promise of this technology is that nitrogen-vacancy centres will be integrated in photonic networks that could be used for quantum information applications. In this talk I will discuss the fabrication of on-chip photonic components in diamond starting from thin single crystal diamond membranes commercially available from Element 6. These structures are made by electron-beam lithography and reactive-ion etching, and are coupled to nitrogen-vacancy centres incorporated during diamond growth.