Patents Assigned to Terahertz Technologies, LLC
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Patent number: 8947769Abstract: An apparatus for tunable generation of terahertz photons is provided. The apparatus comprises a three level magnon laser, an injection means, a terahertz antenna, and a tuning means. The terahertz antenna further comprises a magnon gain medium that supports generation of nonequilibrium magnons. The magnon gain medium is selected from the group consisting of: a ferromagnetic semiconductor; a dilute magnetic semiconductor (DMS); a half-metallic ferromagnet (HMF); and a ferromagnetic conductor, with a gap in the density of states of the minority electrons around the Fermi energy.Type: GrantFiled: July 12, 2011Date of Patent: February 3, 2015Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 8593724Abstract: A four level magnon laser comprising: a Magnon Gain Medium, wherein the Magnon Gain Medium supports generation of nonequilibrium magnons, and a means for pumping nonequilibrium electrons into Magnon Gain Medium. Propagation of nonequilibrium electrons in Magnon Gain Medium causes generation of nonequilibrium magnons. Magnon Gain Medium comprises ferromagnetic materials at room temperatures including the half-metallic ferromagnets.Type: GrantFiled: March 9, 2011Date of Patent: November 26, 2013Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 8427740Abstract: An apparatus and method for generating modulated terahertz radiation are provided. The apparatus comprises: (A) a means for generating Terahertz radiation by pumping nonequilibrium electrons into Magnon Gain Medium (MGM); wherein the nonequilibrium electrons emit nonequilibrium magnons, and wherein interaction between nonequilibrium magnons in the Magnon Gain Medium (MGM) causes generation of Terahertz radiation; and (B) a means for modulating the generated Terahertz radiation. The Magnon Gain Medium (MGM) is selected from a magnetic material that supports generation of non-equilibrium magnons at room temperatures. The modulating means further comprises: an AC magnetic field generator, or an AC electric field generator.Type: GrantFiled: July 12, 2011Date of Patent: April 23, 2013Assignee: Terahertz Technologies LLCInventor: Boris G. Tankhilevich
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Patent number: 8031397Abstract: A magnon laser comprising: a Magnon Gain Medium, wherein the Magnon Gain Medium supports generation of nonequilibrium magnons, and a means for pumping nonequilibrium electrons into the Magnon Gain Medium. Propagation of nonequilibrium electrons in Magnon Gain Medium causes generation of nonequilibrium magnons. Magnon Gain Medium comprises ferromagnetic materials at room temperatures including the half-metallic ferromagnets.Type: GrantFiled: November 1, 2008Date of Patent: October 4, 2011Assignee: Terahertz Technologies, LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7986454Abstract: An apparatus and method for tunable generation of terahertz waves at room temperatures are provided. The apparatus for tunable terahertz generation comprises: (A) a terahertz antenna further comprising a magnon gain medium; (B) a means for generating the nonequilibrium magnons in the magnon gain medium; wherein the terahertz antenna is configured to emit generated terahertz photons; and (C) a means for tuning frequency of terahertz photons emitted by the terahertz antenna. The magnon gain medium is selected from the group consisting of: {a ferromagnetic semiconductor; a dilute magnetic semiconductor (DMS); a half-metallic ferromagnet (HMF); and a ferromagnetic conductor, with a gap in the density of states of the minority electrons around the Fermi energy}.Type: GrantFiled: December 2, 2008Date of Patent: July 26, 2011Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7982946Abstract: An apparatus and method for generating modulated terahertz radiation are provided. The apparatus comprises: (A) a means for generating Terahertz radiation by pumping nonequilibrium electrons into Magnon Gain Medium (MGM); wherein the nonequilibrium electrons emit nonequilibrium magnons, and wherein interaction between nonequilibrium magnons in the Magnon Gain Medium (MGM) causes generation of Terahertz radiation; and (B) a means for modulating the generated Terahertz radiation. The modulating means further comprises: an AC magnetic field generator, or an AC electric field generator.Type: GrantFiled: March 10, 2010Date of Patent: July 19, 2011Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7706056Abstract: A method of modulation terahertz radiation comprising: (A) generating Terahertz radiation by pumping nonequilibrium electrons into a Magnon Gain Medium (MGM), wherein propagation of nonequilibrium electrons in the MGM causes generation of nonequilibrium magnons, and wherein interaction between the nonequilibrium magnons causes generation of the Terahertz radiation; and (B) frequency modulating THz radiation generated in the MGM by applying longitudinal AC magnetic field, or by applying AC electrical field bias.Type: GrantFiled: August 9, 2007Date of Patent: April 27, 2010Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7508578Abstract: A magnon laser comprising: a magnon gain medium (MGM) that supports generation of nonequilibrium magnons, and a means for generating nonequilibrium magnons in the MGM further comprising a means for pumping nonequilibrium electrons into the MGM. Propagation of nonequilibrium electrons in the MGM causes generation of nonequilibrium magnons. The MGM is selected from the group consisting of: {ferromagnetic semiconductor; ferromagnetic insulator; and ferromagnetic material}. The merging of nonequilibrium magnons causes generation of terahertz waves.Type: GrantFiled: January 31, 2007Date of Patent: March 24, 2009Assignee: Terahertz Technologies, LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7471449Abstract: An apparatus for generation of Terahertz radiation comprising: (A) a Magnon Gain Medium (MGM), wherein the MGM supports generation of nonequilibrium magnons; and (B) at least one magnon mirror (MM). The nonequilibrium magnons are generated in the MGM. Interaction between nonequilibrium magnons leads to generation of Terahertz photons.Type: GrantFiled: May 2, 2007Date of Patent: December 30, 2008Assignee: Terahertz Technologies LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7440178Abstract: A method of tunable generation of terahertz radiation comprising: (A) providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; (B) generating terahertz radiation in the magnon gain medium; and (C) tuning frequency of the terahertz radiation by causing changes in an external parameter. The substantial tuning of the frequency of the generated terahertz radiation can be achieved by applying an external magnetic field, and by causing changes in a value of the external magnetic field.Type: GrantFiled: July 31, 2006Date of Patent: October 21, 2008Assignee: Terahertz Technologies, LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich
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Patent number: 7430074Abstract: A method of THz photon generation comprising: providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; and injecting nonequilibrium electrons into the magnon gain medium. Propagation of nonequilibrium electrons in the magnon gain medium causes generation of nonequilibrium magnons. Interaction between nonequilibrium magnons causes generation of THz photons.Type: GrantFiled: July 3, 2006Date of Patent: September 30, 2008Assignee: Terahertz Technologies, LLCInventors: Yehiel Korenblit, Boris G. Tankhilevich