54 results about "Polariton" patented technology

The invention relates to the technical field of quantum computing, and provides a polariton quantum computing simulation method and related device.The method comprises the steps that parameterized quantum circuits are generated based on micromodels used for describing polaritons for all to-be-computed excitation states respectively, and the parameterized quantum circuits are generated based on initial Hamiltonian of polaritons in a ground state; the target Hamiltonian amount of the polariton in the current excitation state is obtained, then the value of each parameter is adjusted at least once, and the target energy of the corresponding excitation state is obtained. In the primary adjustment process, parameter updating is carried out on the quantum circuit, a reference quantum state of the corresponding excitation state is obtained by utilizing the updated quantum circuit, reference energy of the corresponding excitation state is obtained based on the reference quantum state and in combination with the target Hamiltonian, and then when a set convergence condition is met, the target Hamiltonian is obtained. And taking the reference energy as target energy of the corresponding excited state. The polaritons are simulated through the quantum computer, and the simulation efficiency is improved.

Provided are a polariton device, a polariton system, a method of manufacturing the polariton device, and a method of controlling the polariton device. The polariton device includes a cavity including a gain layer including a ferroic material that undergoes a phase transition into an asymmetrical crystal structure in response to an external stimulus, an upper reflective layer formed on top of the cavity, a lower reflective layer formed below the cavity, and a Rabi frequency controller configured to control a Rabi frequency of the polariton device by providing a stimulus to the gain layer.

The invention provides a self-cleaning liquid crystal display screen system based on nanostructure enhancement, and relates to the technical field of liquid crystal display screens, the self-cleaning liquid crystal display screen system comprises a liquid crystal display panel, a reconfigurable surface phonon polariton regulation and control layer, a pollutant identification module, an excitation source module, a central control processing unit and an energy recovery module, by dynamically tuning the surface phonon polariton resonance characteristics of the reconfigurable surface phonon polariton regulation and control layer micro-nano structure unit, selective resonance coupling with a target pollutant detected by the pollutant identification module is carried out, and selective activation is carried out by an excitation source. High-selectivity energy transfer generated by resonance causes molecular decomposition or generates field gradient force to achieve physical effects such as particle stripping migration, pollutants are efficiently and intelligently removed, and meanwhile the integrated energy recovery module collects panel waste heat and converts the panel waste heat into driving energy to assist system operation so as to improve energy efficiency. The problems of poor selectivity, low efficiency, high energy consumption and screen damage in the traditional technology are solved.

A continuous-wave perovskite polariton laser device, including an optical microcavity, a spacer layer, and a gain medium. The gain medium is a perovskite material or a composite material containing perovskite, in a form of thin film, microcrystal, phosphor, nanocrystal, quantum dot, or single crystal. The perovskite gain medium is prepared by solution process or vacuum deposition technique, and is combined with an optical resonator. By exploiting the strong interaction between excitons and photons, a steady-state exciton-polariton condensation is formed, enabling the generation of continuous-wave polariton laser emission with a low threshold. The laser device can achieve low-threshold continuous-wave or pulsed lasing emission at room temperature under various light sources pumping or electrical excitation. Its threshold is 1 to 3 orders of magnitude lower than that of conventional semiconductor lasers, with an optimized threshold as low as 0.1 to 1 W / cm2, representing a novel ultralow-power coherent light source technology.

The invention discloses a band-pass filter based on an artificial surface plasmon polariton structure and a design method thereof, a metal structure of the band-pass filter comprises an polariton structure region, the polariton structure region is provided with a plurality of plasmon polariton grooves, and the plurality of plasmon polariton grooves are arranged at intervals along a first direction; the depth direction of the plasmon polariton grooves is perpendicular to the first direction, the lengths and the widths of the plasmon polariton grooves are the same, and the multiple plasmon polariton grooves are formed in the same side of the polariton structure; the split resonant rings are arranged on the dielectric substrate, and the multiple split resonant rings are arranged close to the metal structure. Due to the fact that the multiple plasmon polariton grooves formed in the polariton structure and arranged at intervals in the first direction can form the artificial surface plasmon polariton structure, the band-pass filter based on the artificial surface plasmon polariton structure has the high inhibition capacity for harmonic waves of the band-pass frequency, and the band-pass filter based on the artificial surface plasmon polariton structure has the good inhibition capacity for the harmonic waves of the band-pass frequency.

An optical gate device may have one or more optical cavities. The optical cavity may have an embedded optically-active material providing strong light-matter coupling. A pump input allows application to of a pulsed optical pump beam the optically-active material. The pump beam is absorbed by the optically active material to form an exciton-polariton condensate which emits light. The optical gate device may have an input waveguide to input a seed signal to the optical cavity. The optical gate device may include an output waveguide to output of an optical signal at a wavelength corresponding to a resonant mode of a the cavity. The device may operate in a manner such that, when the pump beam is applied to the pump input, an optical output signal is selectively provided in the output waveguide, via the input of the a seed signal and light emitted by the exciton-polariton condensate.

The invention provides a plasmon copper-based nano material, a preparation method thereof and application of the plasmon copper-based nano material in a carbon dioxide capture-conversion system.The preparation method comprises the steps that a copper nanowire modified by polytetrafluoroethylene is adopted as a plasmon catalyst, carbon dioxide is efficiently adsorbed and captured through organic amine, and under excitation of polarized light with the specific wavelength, the carbon dioxide is converted into the plasmon copper-based nano material. And efficient carbon dioxide electroreduction is realized. Compared with the prior art, carbon dioxide capture and photoelectrocatalysis carbon dioxide conversion of the plasmon copper-based nano material are combined, rapid capture and release of carbon dioxide are achieved, and the Faraday efficiency of reducing carbon dioxide into methane reaches up to 90% or above. The invention constructs a carbon dioxide capture-conversion system with industrial application potential, and provides a new path for realizing energy conservation and emission reduction.

Disclosed herein is a microcavity and patterns thereof comprising a photoluminescent material positioned between two reflectors, wherein the photoluminescent material comprises a cationic molecular dye, a macrocyclic anion receptor host, and an anion embedded within the macrocyclic anion receptor host and methods of making and using the same.

This invention relates to a pattern-reconfigurable antenna based on artificial surface plasmon polaritons (SSPPs), belonging to the field of antenna technology. The antenna includes a coplanar waveguide feed line, a transition structure, a reconfigurable SSPP waveguide, and periodic radiating elements. The reconfigurable SSPP waveguide modifies the dispersion characteristics by adding a varactor diode to a traditional SSPP element and adjusting the capacitance value using a bias circuit. The periodic radiating elements are elliptical patches with rectangular slots, coupled to the reconfigurable SSPP waveguide to radiate electromagnetic waves. This invention solves the problems of single radiation direction in traditional antennas and low gain in existing reconfigurable antennas. It achieves fixed-frequency beam scanning (maximum 23°) and frequency beam scanning (maximum 90°) in the 11.5GHz-15GHz frequency band, with gains greater than 9dBi (maximum 11.1dBi), expanding the detection range and increasing the detection distance, making it suitable for fields such as UAV detection.

The invention discloses an artificial surface plasmon transmission line structure for realizing ultra-wideband crosstalk suppression. An interdigital structure is introduced into the design of a transmission line, so that the dispersion characteristic of electromagnetic waves is effectively regulated and controlled, and the coupling effect of adjacent channels is inhibited. The transmission line structure comprises an artificial surface plasmon transmission line, a matching transition structure and a microstrip line. The microstrip line is arranged at the tail end of the transmission line and is connected with the artificial surface plasmon transmission line through a matching transition structure, the artificial surface plasmon transmission line comprises a plurality of cascaded artificial surface plasmon units, and part of the artificial surface plasmon units adopt interdigital structures. According to the transmission line, while the compact structure and the simple design are kept, the excellent performance of low crosstalk, miniaturization and broadband is realized, and the stability of high-frequency signal transmission and the system integration efficiency are effectively improved.

The invention discloses a steep transition type artificial surface plasmon low-pass filter based on a spur line structure, and belongs to the technical field of low-pass filters, the steep transition type artificial surface plasmon low-pass filter comprises a dielectric substrate, a coplanar waveguide is arranged on the upper surface of the dielectric substrate, and a spur line unit array is arranged on the lower surface of the dielectric substrate; the coplanar waveguide comprises a center conductor belt and grounding belts symmetrically distributed on the two sides of the center conductor belt, L-shaped groove unit arrays are etched on the grounding belts, the L-shaped groove unit arrays are distributed in the length direction of the coplanar waveguide, and each L-shaped groove unit array comprises a filtering unit and transition units symmetrically arranged at the two ends of the filtering unit. The spur line unit array is aligned with the center of the filtering unit on a projection plane perpendicular to the wave propagation direction. According to the steep transition type artificial surface plasmon low-pass filter based on the spur line structure, adjustable dispersion cut-off frequency and sharp transition from a pass band to a stop band are achieved, and meanwhile the structure is simple and miniaturized.

The application relates to an active electromagnetic metasurface for realizing programmable topology polariton waveguide, which is composed of basic functional units combined with varactor diodes and periodically extended in a two-dimensional plane; the basic functional unit comprises two layers of dielectric, four layers of metal and a metallized via; by changing the applied bias voltage, reconfigurable topology transmission of magnetic polariton dispersion topology from ellipse to straight line and hyperbola can be realized; by means of wavefront characteristics under different dispersion topologies, adjustable field channeling and reconfigurable flat panel focusing functions and programmable topology polariton waveguide design can be realized. The application supports flexible propagation and guiding manipulation of surface waves, has the advantages of low dimension, real-time response, continuous controllability and high stability, provides an effective platform for active optoelectronic integrated circuit research, is beneficial to the design of planar integrated high-speed communication components, high-resolution imaging and high-sensitivity sensing and positioning systems, and has wide application prospects in the fields of near-field information processing and energy collection.

The invention discloses an optical transparent ultra-wide-angle microwave absorber based on a two-dimensional and three-dimensional mixed structure, which comprises a two-dimensional structure, a three-dimensional structure and a floor, and is characterized in that the two-dimensional structure is composed of windmill-shaped ITO transparent conductive film glass, a first PET layer and a first PMMA layer; the three-dimensional structure is composed of two wave absorbers based on resonance and two wave absorbers based on artificial surface polaritons; the two wave absorbers based on resonance are different in size and resistance value of printing sheet resistance, and the two wave absorbers based on artificial surface polaritons are different in size and resistance value of printing sheet resistance; the floor is composed of square ITO transparent conductive film glass, a second PET layer and a second PMMA layer. The optical transparent wave absorber with the ultra-wide-angle wave absorption function is achieved, the electromagnetic stealth problem under the double-station radar detection technology is solved, and higher-performance stealth and strong enemy defense can be assisted.

The invention provides a leaky-wave antenna unit and an antenna device, and belongs to the technical field of antennae, and the leaky-wave antenna unit comprises a dielectric substrate which comprises a first side and a second side opposite to the first side; the artificial surface plasmon polariton (SSPP) structure comprises a transmission line located on the first side and a metal layer located on the second side, the metal layer is configured to be grounded, and the transmission line is configured to be connected with a feed part; wherein the transmission line is provided with a plurality of holes arranged periodically, the metal layer is provided with at least one defect groove penetrating through the metal layer, and the orthographic projection of the defect groove on the dielectric substrate is overlapped with the orthographic projection of the holes on the dielectric substrate.

The invention relates to a directional diagram reconfigurable antenna based on artificial surface plasmon polaritons, and belongs to the technical field of antennas. The antenna comprises a coplanar waveguide feeder line, a transition structure, a reconfigurable SSPP waveguide and a periodic radiation unit. According to the reconfigurable SSPP waveguide, a variable capacitance diode is added on a traditional SSPP unit, and a bias circuit is matched to regulate and control a capacitance value so as to change dispersion characteristics; the periodic radiation unit is an elliptical patch with a rectangular slot, and is coupled with the reconfigurable SSPP waveguide to radiate electromagnetic waves. According to the reconfigurable antenna, the problems that a traditional antenna is single in radiation direction and an existing reconfigurable antenna is low in gain are solved, fixed-frequency beam scanning (23 degrees to the maximum) and frequency beam scanning (90 degrees to the maximum) are achieved within the frequency band of 11.5-15 GHz, the gain is larger than 9 dBi (11.1 dBi to the maximum), the detection range can be expanded, the detection distance can be increased, and the reconfigurable antenna is suitable for the fields of unmanned aerial vehicle detection and the like.

The utility model discloses an exciton polaron laser based on open microcavity, including casing, piezoelectric displacement platform, upper DBR mirror and lower DBR mirror, the cavity with one -way opening has in casing, upper DBR mirror is assembled in the cavity, and is close to the opening, lower DBR mirror is provided with exciton gain dielectric layer, piezoelectric displacement platform can lift and lower the assembly in the cavity far from the opening one side, lower DBR mirror is fixed in piezoelectric displacement platform, to make lower DBR mirror close or far from upper DBR mirror, and piezoelectric displacement platform is used for fine adjustment lower DBR mirror's displacement distance, such can respectively coarse adjustment and fine adjustment to the microcavity cavity length between upper DBR mirror and lower DBR mirror, and then guarantee the strong coupling state between exciton and cavity photon, after continuing to increase the light power, can form polarized plasmon condensation, also can conveniently regulate and control the energy difference between cavity photon and exciton.

The application discloses a monolayer polariton sequence double-parameter terahertz device and a preparation method thereof, and relates to the technical field of terahertz devices. The monolayer polariton sequence double-parameter terahertz device comprises a dielectric substrate, metal electrodes and sequence detection materials. The metal electrodes are at least three in number, and the number of the sequence detection materials is one less than the number of the metal electrodes. The multiple metal electrodes are arranged in sequence along a first direction on the dielectric substrate. The material of the sequence detection materials is a monolayer two-dimensional crystal. The sequence detection materials comprise multiple sequence strips and connecting parts arranged at two ends of the sequence strips. The sequence strip is formed by sequentially connecting multiple sequence units of the same shape. The multiple sequence strips are distributed in sequence along a second direction on the dielectric substrate. The shapes of the sequence units of each sequence detection material are different. The connecting parts arranged at the two ends of each sequence detection material are respectively connected with two adjacent metal electrodes in the first direction. The first direction and the second direction are perpendicular to each other.

The invention discloses a tunable one-way and two-way microwave notch filter and a design method. The filter has one-way and two-way filtering functions. The structure of the device mainly comprises an artificial surface plasmon polariton planar waveguide and a ferrite yttrium iron garnet microwave resonator, a circular polarization spin polarization microwave field with a spin-momentum locking characteristic is generated at a specific position in the planar waveguide, a magneton mode generated in the microwave resonator and the spin polarization microwave field are subjected to spin selective coupling, and under the critical coupling condition, microwaves input in one direction are completely filtered after passing through magneton, and then are subjected to spin polarization. And the microwaves input in the other direction are completely transmitted, so that the unidirectional filtering function of the microwaves at a specific frequency is realized. And an additional microwave resonator is further loaded, and the bidirectional filtering function can be realized by expanding the experimental configuration. The invention does not need complex structural design and strict parameter regulation and control, and provides a simpler, more convenient and more flexible method to realize the multifunctional microwave notch filter.

The invention relates to the technical field of semiconductors, and discloses an infrared detector and a preparation method thereof, a photoelectric detection device and an infrared imaging system, and the infrared detector comprises a long-wave infrared detection layer and a target microstructure formed on the first side of the long-wave infrared detection layer. Wherein the long-wave infrared detection layer is made of tellurium cadmium mercury; the target microstructure comprises at least two rectangular substructures; the target microstructure is coupled with the target incident light to excite the surface phonon polaritons, so that the energy of the target incident light is localized at the boundary of the target microstructure and the long-wave infrared detection layer to enhance the photoelectric coupling capability of the long-wave infrared detection layer. The beneficial effects are that the target microstructure comprising at least two rectangular substructures is formed on the first side of the long-wave infrared detection layer, so that the absorption competition between the microstructure and the detection layer is effectively inhibited, and the photoelectric coupling capability of the detection layer is improved. And finally, the responsivity, the absorptivity and the polarization detection capability of the infrared detector are remarkably improved.

This invention relates to a reconfigurable metasurface for dynamically controlling the topological characteristics of electromagnetic polaritons. The invention comprises a basic functional unit combined with a varactor diode periodically extended in a two-dimensional plane. The basic functional unit includes a single-layer dielectric, two layers of metal, and metallized vias. By changing the applied bias voltage, reconfigurable topological transmission of the polariton dispersion topology can be achieved, from open ellipses to straight lines, hyperbolas, and circles. Utilizing the wavefront characteristics under different dispersion topologies, broadband field channelization, dynamic focusing, and reconfigurable polariton circuit design can be realized. This invention further improves the flexibility of surface wave propagation and guidance manipulation, possessing advantages such as low dimensionality, continuous controllability, and high-speed response. It is beneficial for the integration of electromagnetic components in modern near-field information processing systems, the design of photonic integrated circuits and multifunctional programmable plasmon polariton devices, and has broad application prospects in near-field sensing, positioning, high-resolution imaging, and energy reuse.

Disclosed herein are Tamm polariton emitters and methods of making and use thereof. The Tamm polariton emitters disclosed herein comprise: a distributed Bragg reflector; and a layer comprising a conductive and / or polaritonic material; wherein the distributed Bragg reflector is disposed on the layer of the conductive and / or polaritonic material. The Tamm polariton emitters can further include a layer of a polar material. Also disclosed herein are non-dispersive infrared sensors comprising: any of the Tamm polariton emitters disclosed herein, wherein the Tamm polariton emitter is configured to selectively emit radiation at a frequency corresponding to a rotational or vibrational resonance frequency of an analyte of interest; and a detector configured to receive an electromagnetic signal from the Tamm polariton emitter and / or the analyte of interest. Also disclosed herein are methods for designing Tamm polariton emitters. The methods can, for example, comprise an inverse design protocol and / or machine learning.

The invention discloses an aminated Ti3C2-MXene sensitization type optical fiber SPR adriamycin sensor, a preparation method and application, and belongs to the technical field of optical fiber biosensing. According to the sensor, a multimode optical fiber and coreless optical fiber composite structure is adopted as a sensing probe, a gold film plasmon polariton layer modified by an aminated Ti3C2-MXene nano material is constructed on the surface of the sensing probe, and probe DNA can be specifically fixed through carboxylation treatment of a gold film. By introducing the two-dimensional layered aminated Ti3C2-MXene material, the surface electromagnetic field intensity and the biomolecule adsorption capacity are effectively enhanced, and the detection sensitivity and stability of the sensor are remarkably improved. The sensor is particularly suitable for high-precision concentration detection of an antitumor drug adriamycin, and a novel high-sensitivity sensing solution is provided for the field of biomedical detection.

The application discloses a steep transition type artificial surface plasmon low-pass filter based on a spur line structure and belongs to the technical field of low-pass filters. The low-pass filter comprises a dielectric substrate, the upper surface of the dielectric substrate is provided with a coplanar waveguide, and the lower surface of the dielectric substrate is provided with a spur line unit array. The coplanar waveguide comprises a center conductor strip and ground strips symmetrically distributed on both sides of the center conductor strip. An L-shaped slot unit array is etched on the ground strips. The L-shaped slot unit array is distributed along the length direction of the coplanar waveguide. The low-pass filter comprises a filter unit and transition units symmetrically arranged at both ends of the filter unit. The projection of the spur line unit array on a plane perpendicular to the wave propagation direction is aligned with the center of the filter unit. The low-pass filter based on the spur line structure can realize adjustable dispersion cutoff frequency and sharp transition from a passband to a stopband, and has simple structure and miniaturization.

This invention discloses an optoelectronic device based on a two-dimensional material heterojunction and its fabrication method. The optoelectronic device includes: a substrate; an optical resonant cavity located on the substrate, the optical resonant cavity including a first reflector and a second reflector disposed opposite to each other; and a tunneling junction disposed between the first reflector and the second reflector in the optical resonant cavity. The tunneling junction includes a first two-dimensional material layer, a first insulating layer, and a second two-dimensional material layer sequentially stacked between the first reflector and the second reflector. The first two-dimensional material layer and the second two-dimensional material layer are transition metal sulfide layers of different materials. This invention combines an optical resonant cavity with a two-dimensional material heterojunction, significantly improving energy transfer efficiency through a polariton relaxation mechanism, and has broad application potential in fields such as nanophotonics, quantum computing, and high-performance displays.

The utility model discloses a biosensor and a sensing system with a high-density loading function, which comprise an optical fiber body, a sensing area is formed on the optical fiber body, and a gold film layer, a titanium boride and gold nanoparticle film layer are respectively attached to the surface of the sensing area from inside to outside. According to the utility model, through the design of the gold film-titanium boride film-gold nanoparticle composite structure, the surface electric field intensity of the gold film is improved by utilizing the high carrier mobility and high light absorptivity of titanium boride, so that the sensitivity of the sensor is improved; by utilizing mutual coupling of titanium boride surface plasmon polaritons and local plasmon polaritons generated by the gold nanoparticles, an enhanced local electric field is generated between a titanium boride film and the gold nanoparticles, so that the interaction between surface plasmon waves and a to-be-detected substance is enhanced, the detection sensitivity is improved, the gold nanoparticles provide high-density probe load, and the detection sensitivity is improved. According to the utility model, the composite structure improves the detection range and the application scene through dielectric-plasma cooperative response.

The present invention discloses a vortex wave generation structure and a design method based on a multifunctional shared-aperture metasurface, which relates to the technical field of novel artificial electromagnetic materials. It can realize the generation of vortex waves with different polarizations and different modes working in different wide frequency bands. The technical solution of the present invention is as follows: The vortex wave generation structure includes a multifunctional shared-aperture metasurface, and the multifunctional shared-aperture metasurface includes a plurality of shared-aperture basic unit structures. The shared-aperture basic unit structure sequentially includes a top pattern layer, an intermediate dielectric layer, and a bottom metal layer from top to bottom; the top pattern layer includes a right-handed circular polariton unit formed by embedding a hollow cross ring in a square split-ring resonator, a vertical polariton unit in an "I" shape structure, and a horizontal polariton unit in an "I" shape structure. The overall design idea is novel, simple and feasible, and the structure of this case is stable and the working effect is good.

The present invention discloses a strongly coupled electric injection GaN-based semiconductor topological microcavity polariton laser chip, comprising two first n-type electrodes, a first n-GaN two-dimensional topological photonic crystal, an n-InGaN layer, an InGaN quantum well active layer, a p-InGaN layer, a p-AlGaN barrier layer, a p-GaN injection layer, an n-type electrode, a first n-GaN two-dimensional topological photonic crystal, a n-InGaN layer, an InGaN quantum well active layer, a p-InGaN layer, a p-AlGaN barrier layer, a p-GaN injection layer, and a n-type electrode. + ‑GaN layer, a second n-type electrode, and two insulating organic materials; the two insulating organic materials are arranged horizontally, and the n‑InGaN layer, the InGaN quantum well active layer, the p‑InGaN layer, the p‑AlGaN barrier layer, the p‑GaN injection layer, and the n + The n-GaN layers are stacked from bottom to top, and are both located between the two insulating organic materials and connected to the insulating organic materials; the two insulating organic materials are both arranged on top of the first n-GaN two-dimensional topological photonic crystal, and the top of the first n-GaN two-dimensional topological photonic crystal is also connected to the bottom of the n-InGaN layer; the first n-type electrode is arranged on the top of the first n-GaN two-dimensional topological photonic crystal and is located directly below the insulating organic material; the bottom of the second n-type electrode is simultaneously connected to the top of the insulating organic material, the n-InGaN layer, and the bottom of the second n-type electrode. + Top connection of the ‑GaN layer.

This invention discloses a bandwidth-controllable compact ridge waveguide cavity bandpass filter based on SSPP and its fabrication method. The device includes a cavity containing a ridge waveguide. Several inverted T-shaped grooves are etched at intervals on the ridge waveguide, forming a structure where the middle section is an artificial surface plasmon polariton (SSPP) and the left and right ends are transitional SSPP structures. The transitional SSPP structures at the left and right ends are respectively connected to horizontal coaxial connectors. Dual grating structures are respectively provided on both sides of the ridge waveguide within the cavity. This invention achieves a wideband bandpass structure of 7.6GHz–12.4GHz by integrating the ridge waveguide, SSPP, and dual gratings into a single cavity. It achieves a return loss below -16dB and an insertion loss of 0.23dB within the band. Low loss and small size are achieved within a 44.8% wideband, and the passband bandwidth can be flexibly tuned.

A continuous-wave perovskite polariton laser device, including an optical microcavity, a spacer layer, and a gain medium. The gain medium is a perovskite material or a composite material containing perovskite, in a form of thin film, microcrystal, phosphor, nanocrystal, quantum dot, or single crystal. The perovskite gain medium is prepared by solution process or vacuum deposition technique, and is combined with an optical resonator. By exploiting the strong interaction between excitons and photons, a steady-state exciton-polariton condensation is formed, enabling the generation of continuous-wave polariton laser emission with a low threshold. The laser device can achieve low-threshold continuous-wave or pulsed lasing emission at room temperature under various light sources pumping or electrical excitation. Its threshold is 1 to 3 orders of magnitude lower than that of conventional semiconductor lasers, with an optimized threshold as low as 0.1 to 1 W / cm2, representing a novel ultralow-power coherent light source technology.