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8 February 2015 Fabrication of silica integrated waveguide circuits for quantum enhanced sensing, quantum information processing and number resolving detection
Peter G. R. Smith, James C. Gates, Christopher Holmes, Corin B. E. Gawith, Lewis G. Carpenter, Paolo L. Mennea, Matthew T. Posner, Peter A. Cooper, Stephen G. Lynch
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Proceedings Volume 9370, Quantum Sensing and Nanophotonic Devices XII; 93701K (2015) https://doi.org/10.1117/12.2082790
Event: SPIE OPTO, 2015, San Francisco, California, United States
Abstract
Integrated optics is becoming increasingly important for applications in quantum information processing, quantum sensing and for advanced measurement. Intrinsically stable and low-loss it provides essential routing and coupling for quantum optical experiments offering functions such as interconnects, couplers, phase delays and routing. Silica-onsilicon has particular attractions, and in this work the fabrication approaches and advantages of the technique will be explored. In particular, UV direct writing of waveguides and Bragg gratings proves useful for its rapid-prototyping capability and its ability to provide grating for characterization of components for loss, birefringence and coupling ratio. This review concentrates on the fabrication of planar waveguide devices, and ways in which direct UV writing provides important functionality. Examples of applications of silica-on-silicon waveguides include quantum enhanced interferometry, teleportation, boson sampling as well as hybrid operation for single photon detection with transition edge sensors directly placed onto waveguide devices.
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Peter G. R. Smith, James C. Gates, Christopher Holmes, Corin B. E. Gawith, Lewis G. Carpenter, Paolo L. Mennea, Matthew T. Posner, Peter A. Cooper, and Stephen G. Lynch "Fabrication of silica integrated waveguide circuits for quantum enhanced sensing, quantum information processing and number resolving detection", Proc. SPIE 9370, Quantum Sensing and Nanophotonic Devices XII, 93701K (8 February 2015); https://doi.org/10.1117/12.2082790
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KEYWORDS
Waveguides
Quantum information processing
Silicon
Quantum information
Ultraviolet radiation
Glasses
Sensors
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