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Showing 1–16 of 16 results
Advanced filters: Author: Jacob Khurgin Clear advanced filters

  • A monolayer WS2 membrane patterned as a photonic crystal sustains guided optical modes that propagate via total internal reflection.

    • Xingwang Zhang
    • Chawina De-Eknamkul
    • Ertugrul Cubukcu
    Research
    Nature Nanotechnology
    Volume: 14, P: 844-850

  • Theoretical analysis reveals that spasers do not differ fundamentally from conventional semiconductor lasers; differences are mainly technical and result from loss in the metal. Spasers are shown to have significantly inferior threshold currents and linewidths to those of vertical-cavity surface-emitting lasers, but their speed can be slightly greater.

    • Jacob B. Khurgin
    • Greg Sun
    Research
    Nature Photonics
    Volume: 8, P: 468-473

  • A quantum cascade laser with a wall-plug efficiency of up to 50% is experimentally realized when operated at low temperatures and in pulsed mode. The high-efficiency performance is achieved by implementing an ultrastrong coupling between the injector and active regions.

    • Peter Q. Liu
    • Anthony J. Hoffman
    • Claire F. Gmachl
    Research
    Nature Photonics
    Volume: 4, P: 95-98

  • The first experimental demonstration of a mirrorless optical parametric oscillator could lead to compact sources of tunable light that require fewer parts and are alignment free.

    • Jacob B. Khurgin
    News & Views
    Nature Photonics
    Volume: 1, P: 446-447

  • On-chip optical sensing and metrology systems are rapidly progressing, but CMOS-compatible silicon light sources remain a challenge. This work demonstrates a broadband, foundry integrated silicon waveguide emitter and the theory that describes it.

    • Marcel W. Pruessner
    • Nathan F. Tyndall
    • Todd H. Stievater
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Femtosecond laser pulses can generate self-organized nonlinear gratings in nanophotonic waveguides, providing both quasi-phase-matching and group-velocity matching for second-harmonic generation, and enabling simultaneous χ2 and χ3 nonlinear processes for laser-frequency-comb stabilization.

    • Daniel D. Hickstein
    • David R. Carlson
    • Scott B. Papp
    Research
    Nature Photonics
    Volume: 13, P: 494-499

  • Efficiency of Raman measurements is increased by nearly four orders of magnitude with the help of sub-wavelength plasmonic gap waveguides.

    • Jacob B. Khurgin
    News & Views
    Nature Nanotechnology
    Volume: 17, P: 1240

  • A thorough study comparing the performance of more than a hundred photonic and plasmonic lasers concludes that the latter are advantageous when their cavity volumes are close to the diffraction limit.

    • Mikhail A. Noginov
    • Jacob B. Khurgin
    News & Views
    Nature Materials
    Volume: 17, P: 116-117

  • The discrete quantum nature of plasmons may be exploited to make efficient single-photon sources. Despite the losses associated with metallic resonators, advantages over dielectric counterparts exist when it comes to producing efficient quantum emitters.

    • Sergey I. Bozhevolnyi
    • Jacob B. Khurgin
    Comments & Opinion
    Nature Photonics
    Volume: 11, P: 398-400

  • Metal losses affect the performance of every plasmonic or metamaterial structure; dealing with them will determine the degree to which these structures will find practical applications.

    • Jacob B. Khurgin
    Comments & Opinion
    Nature Nanotechnology
    Volume: 10, P: 2-6

  • In recent decades, progress in developing better nonlinear materials has not been as rapid as wished. Here I propose that this may be explained by considering the simple view of nonlinear optical phenomena as being determined mostly by the length of interaction time between photons and matter. Tentative routes towards improvements in the efficiency of nonlinear optical phenomena are suggested.

    • Jacob B. Khurgin
    Comments & Opinion
    Nature Photonics
    Volume: 17, P: 545-551