Sökning: "microresonators"

Visar resultat 1 - 5 av 10 avhandlingar innehållade ordet microresonators.

  1. 1. High-efficiency dissipative Kerr solitons in microresonators

    Författare :Òskar Bjarki Helgason; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dissipative Kerr solitons; dissipative solitons; nonlinear optics; microresonators; microcombs; optical frequency combs;

    Sammanfattning : The microresonator comb (microcomb) is a laser source that generates equally spaced coherent lines in the spectral domain. Having a chip-scale size and the potential of being low cost, it has attracted attention in multiple applications. LÄS MER

  3. 2. Intermodulation in microresonators : for microwave amplification and nanoscale surface analysis

    Författare :Erik Tholén; David Haviland; Eyal Buks; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Superconductivity; Atomic Force Microscopy; Nonlinear oscillators; Parametric amplification; Mesoscopic physics; Mesoskopisk fysik;

    Sammanfattning : This work explores the effects of weak nonlinearity on harmonic oscillators.Two particular systems are studied experimentally: A superconductingresonator formed from a coplanar waveguide that oscillates at microwave frequencies,and the cantilever of an atomic force microscope (AFM) vibratingat ultrasonic frequencies. LÄS MER

  4. 3. Dissipative Kerr solitons in normal dispersion waveguides

    Författare :Òskar Bjarki Helgason; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical frequency combs; four-wave mixing; dissipative solitons; microresonators; nonlinear optics;

    Sammanfattning : The microresonator comb (microcomb) is a laser source which generatesequally spaced coherent lines in the spectral domain. Having a miniaturefootprint and the potential of being low cost, it has attracted attention inmultiple applications. LÄS MER

  5. 4. Advanced characterization techniques of photonic devices with frequency combs

    Författare :Krishna Sundar Twayana; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; electro-optic combs; multi-heterodyne; optical frequency domain spectroscopy; stepped-heterodyne; swept-wavelength interferometry; microcombs; waveguides; microresonators; frequency combs;

    Sammanfattning : Integrated photonics has witnessed remarkable progress in the last decades. Measuring photonic devices in amplitude and phase provides insight into their performance. Swept wavelength interferometry is a prominent technique for the broadband characterization of the complex response. LÄS MER

  7. 5. Microresonator combs for coherent optical communications

    Författare :Attila Fülöp; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber-optic communication; nonlinear optics; integrated optics devices; four-wave mixing; microresonators;

    Sammanfattning : This thesis covers the study of microresonator-based optical frequency combs for use in coherent optical communication links. Current links typically utilize several free-running lasers to achieve wavelength-division multiplexing (WDM). LÄS MER