Ring Resonator in Laser Technology
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Ring Resonator in Laser Technology

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@AppropriateBodhran5032

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Questions and Answers

What property of a double-heterojunction laser scales as d^-1, where d is the height of the active region?

  • Diffraction grating
  • Gain (correct)
  • Refractive index distribution
  • Output profile

    • In semiconductor lasers, what is a benefit of further miniaturization of the active region?

  • Reduced gain
  • Increased temperature sensitivity
  • Lower threshold currents (correct)
  • Quantized electron motion

    • What is a characteristic of quantum film, quantum wire, and quantum dot lasers?

  • Continuous energy levels
  • Discrete energy levels (correct)
  • Lower threshold currents
  • Increased temperature sensitivity

    • What is the most unwanted property of a laser diode that results in the change of laser wavelength with temperature?

    <p>Mode hop</p> Signup and view all the answers

    How does an external cavity concept overcome mode hop in laser diodes?

    <p>By introducing a diffraction grating at the Littrow configuration</p> Signup and view all the answers

    What additional components are integrated during laser crystal manufacturing to control the laser wavelength and coherence properties?

    <p>Diffraction gratings</p> Signup and view all the answers

    What effect does reduced dimensionality structures have on semiconductor lasers?

    <p>Larger gain and lower temperature sensitivity</p> Signup and view all the answers

    What is the concept that makes use of a diffraction grating at the Littrow configuration to overcome mode hop in laser diodes?

    <p>External cavity concept.</p> Signup and view all the answers

    What is a significant benefit of quantum film, quantum wire, and quantum dot lasers compared to conventional heterostructures?

    <p>Lower threshold currents.</p> Signup and view all the answers

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