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Showing 1–5 of 5 results
Advanced filters: Author: Valerio Pinchetti Clear advanced filters

  • Researchers demonstrate quantum dot lasing using excitation by an electrically modulated (0.1–1% duty cycle), low-power continuous-wave laser diode, achieving lasing at a pump intensity just above 500 W cm−2 at 77 K and 3.6 kW cm−2 at room temperature.

    • Donghyo Hahm
    • Changjo Kim
    • Victor I. Klimov
    ResearchOpen Access
    Nature Photonics
    Volume: 20, P: 208-215

  • Liquid lasers based on solutions of colloidal quantum dots exhibit a trion-like optical gain state with suppressed Auger recombination, which combined with a Littrow optical cavity enables stable and tunable liquid-state lasing.

    • Donghyo Hahm
    • Valerio Pinchetti
    • Victor I. Klimov
    ResearchOpen Access
    Nature Materials
    Volume: 24, P: 48-55

  • The addition of magnetic dopants to semiconductor quantum dots can enhance the quantum efficiency of photon-to-exciton conversion through spin-exchange carrier multiplication. Here, the authors show that this effect can be utilized to boost photocurrent in films of Mn-doped CdSe/HgSe quantum dots with an inverted band structure.

    • Jungchul Noh
    • Clément Livache
    • Victor I. Klimov
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-12

  • Colloidal quantum dot devices demonstrating electrically pumped amplified spontaneous emission are described, showing strong, broadband optical gain and bright edge emission, opening the path to solution-processable laser diodes.

    • Namyoung Ahn
    • Clément Livache
    • Victor I. Klimov
    ResearchOpen Access
    Nature
    Volume: 617, P: 79-85