Difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions.

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Abstract: We report highly-nonlinear metasurfaces difference-frequency based on combining electromagnetically-engineered plasmonic nanoresonators with quantum-engineered intersubband nonlinearities. (a) Energy versus the direction (z), normal to the growth axis, for a single QW based on AlGaAs/GaAs semiconductors. harmonic generation5, 7-12, and metasurfaces coupled to intersubband transitions have been used for difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. second-harmonic generation (SHG) with efficiencies approaching those of macroscopically thick crystals13, 14. J - Our paper "Giant nonlinear response from plasmonic metasurfaces coupled to difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. intersubband transitions" by J. Continuously-pumped metasurfaces may be used, for example, to difference-frequency achieve self-referencing and frequency shift of low-power microresonator-based optical frequency comb sources to anywhere in mid-IR and THz, to generate large amounts of THz radiation using high-power mid-IR pump lasers (e.

However, transitions. the practical use of nonlinear metasurfaces with an accessible optical pump source requires giant nonlinear responses. Experimentally, we note a 20% decrease in reflectivity with an increase of the pump intensity. plasmonic material titanium nitride using the difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. Z-scan method at 1550 nm.

This would enable the production of femtosecond pulses covering the Mid-IR spectral range, where broadband laser-gain media difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. and saturable absorbers do not exist. Here we discuss different approaches to realize mid infrared metasurfaces with localized second-harmonic generation based on optimal metasurface designs integrating engineered MQWs. Nature 511, 65–. “Alongside difference-frequency frequency doubling, our structures may be designed for sum- or difference-frequency generation,” says graduate student Jongwon Lee, at the University of Texas, the lead author on the paper. We explicitly take difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. into account complex phenomena associated with the local intensity saturation of difference-frequency intersubband transitions and identify. Mid-infrared second-harmonic generation in ultra-thin plasmonic metasurfaces difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. ithout a 1 3 Page 3 of 7 132 radiation to free space. Nonlinear metasurfaces based on coupling a locally enhanced plasmonic response to intersubband transitions of n-doped multi-quantum-wells (MQWs) can provide difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. second-order susceptibilities orders of magnitude larger than difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. any other nonlinear flat structure measured so far. , 14, Lee et al.

has been published in Nature. difference-frequency More information: Giant nonlinear response from plasmonic metasurfaces coupled to intersubband transitions, DOI: 10. Metasurfaces with giant nonlinear response have recently been realized using the concept of intersubband polaritons.

However, a wide bandwidth, low transmission efficiency (~10%) and reduced long term chemical stability makes them equally unsuitable for the majority of real-world difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. applications. Belkin, "Double-metal waveguide terahertz difference-frequency. Here, we present difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. a comprehensive theory to characterize the electromagnetic response of nonlinear processes. Here, we overcome these limitations by developing a new type of nonplanar plasmonic difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. metasurfaces, which can greatly enhance the second harmonic generation (SHG) at visible frequencies and achieve conversion efficiency of ~6 × 10-5 at a peak pump intensity of ~0. Compared to prior MQW structures, such as reported in Lee et al. Jiahao Yan, Churong Ma, Yingcong Huang, Guowei Yang. 2 × 10 6 pm V −1 for mid-infrared second harmonic generation (SHG), which to our knowledge is the largest nonlinear susceptibility ever reported in a condensed matter system. Metasurfaces have been introduced difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. in the last ten years for a number of applications 29–35.

coupled to intersubband transitions,”. 1038/nature13455 Journal information: Nature Provided by University of Texas at. Nature 444, 597–. When the patch antenna optical reso-nance approaches and matches the intersubband transition frequency (L 1.

Separately, nonlinear metasurfaces providing a single‐beam nonlinear output with a local wavefront control have been studied. A nonlinear intersubband polaritonic metasurface difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. designed for difference- frequency generation that difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. provides a practical level of nonlinear response under continuous wave illumination is reported. Second harmonic generation with plasmonic metasurfaces coupled to intersubband transitions of multi-quantum-well structure.

Optical power limiting from plasmonic metasurfaces coupled to intersubband transitions Conference on Lasers and Electro-Optics OSA Technical Digest (online), FW4H. Advanced Optical Materials, 7 (9), 1801510. Alternatively, nonlinear hybrid metasurfaces, such as Au/multiple quantum well (MQW), have been proposed as an alternative to traditional plasmonic metasurfaces 29–31. Terahertz-field-induced insulator-to-metal transition in vanadium difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. dioxide metamaterial. We report power limiting metasurfaces based on saturable absorption of the intersubband transition in n-doped multi-quantum wells. 9 µm with a record‐high third‐order nonlinear optical response is presented for difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. condensed matter systems.

Previous works report 2~3 orders of magnitude of enhancement following this route 32 – 35. Here, we use a 2D. Third‐Harmonic Generation from Plasmonic Metasurfaces Coupled to Intersubband Transitions. , CO 2 lasers or high-power QCLs), and to up-convert mid-IR. This opens a new paradigm where alternative nonlinear materials could be reintroduced in metasurfaces and yields even higher efficiency than high effective χ(2) structures. Nonlinear metasurfaces based on coupling a locally enhanced plasmonic response to intersubband transitions of n-doped multi-quantum-wells (MQWs) have recently provided second-order. Lee J, Tymchenko M, Argyropoulos C, Chen PY, Lu F, Demmerle F, Boehm G, Amann MC, Alù A, Belkin MA.

This is 4-5 orders of magnitude larger than the efficiencies observed. Nature 487, 345–. transmission filters difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. using graphene plasmonic ribbons have recently been demonstrated 36. Ultrathin engineered metasurfaces loaded with multiple quantum wells (MQWs) form a highly efficient platform for nonlinear optics. Here, we introduce and discuss terahertz (THz) difference-frequency generation (DFG) using MQW-based plasmonic metasurfaces and present a comprehensive theory for their rigorous electromagnetic analysis. This approach allows for difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. the effi-cient coupling of the optical fields of the incoming and outgoing waves normal to the metasurface with z-polarized intersubband transitions in the MQW heterostructure and. The temporal evolution of the plasmonic near-field is characterized with ~100 as resolution using a novel nonlinear interferometric technique. Publications: J.

A multi‐quantum‐well‐loaded nonlinear metasurface designed for third‐harmonic generation at λ ≈ 8. Spin-Controlled Nonlinear Harmonic Generations from Plasmonic Metasurfaces Coupled to Intersubband Transitions February Advanced Optical Materials 8(8):004. 7–9 The last offers some peculiar advantages for. However, a metasurface platform that possesses both of these properties has yet to be demonstrated. Active terahertz metamaterial devices. In a different context, plasmonic metasurfaces (thin conductor-dielectric composite. Herein, we propose a method that induces giant nonlinear responses with near-unity circular dichroism using polaritonic metasurfaces with optical modes in chiral plasmonic transitions. nanocavities coupled with intersubband transitions in semiconductor heterostructures designed to have giant second and third order nonlinear responses.

Recently, plasmonic metasurfaces have provided new ways to interact strongly with various types of material exci-tations such as electronic transitions in dye molecules,1,2 cyclotron resonances,3 phonons,4 epsilon-near-zero modes,5,6 and intersubband transitions (ISTs) in quantum wells (QWs). 65-69, this MQW design has a transition energy between states 1 and 2 purposely detuned from the pump energy to increase the saturation difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. intensity by. , “Giant Nonlinear Response from Plasmonic Metasurfaces Coupled to Intersubband Transitions,” Nature, Vol. 8lm), a difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. clear anticrossing behavior—evidence of strong coupling—is observed in the near-field scattering phase spectra of individual antennas. Intersubband transitions in n-doped multi-quantum-well semiconductor heterostructures make it possible to engineer one of the largest known nonlinear optical responses in condensed matter systems--but this nonlinear response is transitions. limited to light with electric field polarized normal to the semiconductor layers. transitions. An effective nonlinear susceptibility of up to 340 nm V−1is measured experimentally. This mode-matched metasurface is able to reach a difference frequency generation (DFG) efficiency of 10 difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. −2 W/W 2.

Recently, strong light-matter coupling between the electromagnetic modes in plasmonic metasurfaces with quantum-engineering electronic intersubband transitions in quantum wells has been demonstrated experimentally difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. (Benz et transitions. al. SELECTIVE PLASMONIC METASURFACE In this work, we use a difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. plasmonic difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. metasurface for the design and fabrication of an incandescent source which is both spectrally selective, directional, and fairly simple. difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. Ultrathin plasmonic metasurfaces loaded with only 400 nm thick MQWs have been shown to provide the record-breaking effective second-order nonlinear susceptibility of 1. AlInAs single quantum well that presents an intersubband difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. transition at 1190cm 1 (k¼8. Expr–. Nature,:65-69, Cited by: 59 articles | PMID:. Giant nonlinear response from plasmonic metasurfaces coupled to intersubband transitions. The serrated nanogap is a unique platform in which to investigate optically controlled, plasmonically enhanced harmonic generation in dielectric materials on an ultrafast time scale.

Experimentally, effective nonlinear susceptibility over 480 nm/V transitions. was measured for difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. second-harmonic generation at normal incidence. difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. However, the practical use of nonlinear metasurfaces with an accessible optical pump source requires giant nonlinear responses. June 8-13, - Seungyong Jung, Jongwon Lee, and Feng Lu present their research at CLEO-QELS. Moreover, we anticipate that these metasurfaces could be optimized for other nonlinear mixing processes such as difference frequency generation ω DFG = ω 1- ω 2. In the future, the team envisions using new materials realized along these lines for other nonlinear effects. A nonlinear plasmonic resonator for three-state all-optical switching.

Recently, metasurfaces comprising arrays of Mie transitions. dielectric resonators have difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions. attracted much. Kim, “Plasmonic generation of ultrashort. Nonlinear metasurfaces based on coupling a locally enhanced plasmonic response to intersubband transitions of n-doped multi-quantum-wells (MQWs) have recently provided second-order susceptibilities orders of magnitude larger than any other nonlinear flat structure measured so far.

Difference-frequency generation using plasmonic metasurfaces coupled to intersubband transitions.

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