dc.creator | Belkin, Mikhail A. | |
dc.creator | Capasso, Federico | |
dc.creator | Belyanin, Alexey | |
dc.date.accessioned | 2019-06-17T17:05:34Z | |
dc.date.available | 2019-06-17T17:05:34Z | |
dc.date.issued | 2011-07-05 | |
dc.identifier.uri | https://hdl.handle.net/1969.1/176957 | |
dc.description.abstract | Apparatus and methods for generating radiation via difference frequency generation (DFG). In one exemplary implementation, a quantum cascade laser (QCL) has a significant second-order nonlinear susceptibility (χ(2)) integrated in an active region of the QCL. The QCL is configured to generate first radiation at a first frequency ω1, second radiation at a second frequency ω2, and third radiation at a third frequency ω3=ω1−ω2 based on difference frequency generation (DFG) arising from the non-linear susceptibility. In one aspect, the QCL may be configured to generate appreciable THz radiation at room temperature. | en |
dc.language | eng | |
dc.publisher | United States. Patent and Trademark Office | |
dc.rights | Public Domain (No copyright - United States) | en |
dc.rights.uri | http://rightsstatements.org/vocab/NoC-US/1.0/ | |
dc.title | Methods and apparatus for generating terahertz radiation | en |
dc.type | Utility patent | en |
dc.format.digitalOrigin | reformatted digital | en |
dc.description.country | US | |
dc.contributor.assignee | President and Fellows of Harvard College | |
dc.contributor.assignee | The Texas A&M University System | |
dc.contributor.assignee | Harvard University & Medical School | |
dc.identifier.patentapplicationnumber | 12/450211 | |
dc.subject.uspcprimary | 372/46.01 | |
dc.subject.uspcother | 372/45.01 | |
dc.date.filed | 2008-03-14 | |
dc.publisher.digital | Texas A&M University. Libraries | |
dc.subject.cpcprimary | G02F 1/3534 | |
dc.subject.cpcprimary | H01S 5/3402 | |
dc.subject.cpcprimary | H01S 1/02 | |
dc.subject.cpcprimary | B82Y 20/00 | |
dc.subject.cpcprimary | H01S 5/0608 | |
dc.subject.cpcprimary | H01S 5/187 | |
dc.subject.cpcprimary | H01S 5/0604 | |
dc.subject.cpcprimary | H01S 5/1046 | |
dc.subject.cpcprimary | H01S 2302/02 | |
dc.subject.cpcprimary | H01S 5/1096 | |