Investigation of Room Temperature spontaneous emission in GeSn Alloys

POSTER

Abstract

An integrated Si-based laser, as a major element of on chip optical system, is ideal for large-scale integration between electronic and photonic devices. Recent development of Ge and GeSn epitaxial growth on Si creates the possibility of engineering such devices. In this work, we study the emission of infrared radiation from waveguides fabricated from GeSn alloys grown on Si. Experimentally, by using standard UV photolithography and dry-etched in a Cl plasma, our waveguides are fabricated from GeSn films grown epitaxially on Si(100)substrates. A 976nm wavelength solid-state laser optical-pump was applied onto the double-side polished waveguide at room temperature and the corresponding dependence of emission power was measured as a function of pump power. The results show strong nonlinear increasing dependence, indicating optical gain. Using a Fabry-Perot cavity, we found that the emission is incoherent. Additionally, we modeled the waveguide emission and compared it to the experimental data. The results show that the gain we observed is due to amplified spontaneous emission.

Authors

  • Z. Li

    Electro-Optics Program, University of Dayton, Dayton, OH 45469, University of Dayton

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University

  • Rudrakant Sollapur

    Miami University, The College of Wooster, University of Dayton, Ohio University and Argonne National Laboratory, Argonne National Laboratory, J. Stefen Inst., Slovenia, Ohio University, Institute of Physics, University of Belgrade, The University of Akron, Faculty of Physics, University of Belgrade, Institute for Multidisciplinary Research, University of Belgrade, Faculty of Sciences, University of Novi Sad, Bowling Green State University, Australian National University, Benet lab, Department of Physics and Electro-Optics Program University of Dayton, Dayton, OH 45469, Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ, Department of Physics, Arizona State University, Tempe, AZ, Electro-Optics Program, University of Dayton, Dayton, OH 45469, Department of Physics and Astronomy, Youngstown State University, University of Memphis, TN, Union College Barbourville, KY, Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH, Arizona State University, Materials and Manufacturing Directorate, Air Force Research Laboratory, WPAFB, OH 45433, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH, Case Western Reserve University, Department of Electrical Engineering and Computer Science, Cleveland, OH, Air Force Research Lab, Materials and Manufacturing Directorate, WPAFB, OH, Ohio Northern Univ, University of Notre Dame, Miami Univ, Leibniz Institute of Photonic Technology e.V.; and Otto Schott Institute of Material Research, Abbe Center of Photonics, Leibniz Institute of Photonic Technology e.V., Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University; and Helmholtz Institute Jena, Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University