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  1. No Access

    Article

    Solar-Blind AlGaN-based Schottky Photodiodes With High Detectivity and Low Noise

    We report on the design, fabrication and characterization of solar-blind Schottky photodiodes with high detectivity and low noise. The devices were fabricated on n-/n+ AlGaN/GaN hetero-structures using a microwav...

    Necmi Biyikli, Orhan Aytur, Ibrahim Kimukin, Turgut Tut… in MRS Online Proceedings Library (2011)

  2. No Access

    Article

    High-Speed Solar-Blind AlGaN Schottky Photodiodes

    We report high-speed solar-blind AlGaN-based Schottky photodiodes. AlGaN/GaN heterostructure device layers were grown on sapphire substrate. The devices were fabricated on AlGaN/GaN heterostructuresusing a mic...

    Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu… in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    High-Performance AlGaN-Based Visible-Blind Resonant Cavity Enhanced Schottky Photodiodes

    We have designed, fabricated and tested resonant cavity enhanced visible-blind AlGaN-based Schottky photodiodes. The bottom mirror of the resonant cavity was formed with a 20 pair AlN/AlGaN Bragg mirror. The d...

    Ibrahim Kimukin, Necmi Biyikli, Tolga Kartaloglu… in MRS Online Proceedings Library (2011)

  4. Article

    High-Performance Solar-Blind AlGaN Schottky Photodiodes

    High-performance solar-blind AlGaN-based Schottky photodiodes have been demonstrated. The detectors were fabricated on MOCVD-grown AlGaN/GaN hetero-structures using a microwavecompatible fabrication process. C...

    Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur… in MRS Internet Journal of Nitride Semiconduc… (2003)

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  5. Article

    High-Speed Visible-Blind Resonant Cavity Enhanced AlGaN Schottky Photodiodes

    We have designed, fabricated and tested resonant cavity enhanced visible-blind AlGaN-based Schottky photodiodes. The bottom mirror of the resonant cavity was formed with a 20 pair AlN/Al0 2Ga0.8N Bragg mirror. Th...

    Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur… in MRS Internet Journal of Nitride Semiconduc… (2003)

    Download PDF (454 KB) View Article

  6. No Access

    Chapter

    Degenerate Optical Parametric Amplification with Focused Gaussian Beams

    We present the results of an accurate numerical model for degenerate optical parametric amplification with focused Gaussian beams. This model shows that the optimum phasedifference between the purnp and the si...

    Kahraman G. Köprülü, Orhan Aytür in Quantum Communication, Computing, and Measurement 2 (2002)

  7. No Access

    Chapter

    Frequency Upconversion of Lasers with Optical Parametric Oscillators

    Frequency conversion using synchronously pumped optical parametric oscillators (OPO’s) is a widely used technique for extending the wavelength range of laser systems to longer wavelengths. In addition, the use...

    Orhan Aytür in Unconventional Optical Elements for Inform… (2000)

  8. No Access

    Chapter and Conference Paper

    Squeezed Light Generation with an Incoherent Pump

    Several experiments have been reported for the generation of squeezed light since 1985 [1]. All of these experiments employ a coherent source (either a single-mode continuous-wave (cw) laser or a cw mode-locke...

    Orhan Aytür, Prem Kumar, Jianming Huang in Coherence and Quantum Optics VI (1989)