| dc.contributor.author | Lee, Alan | |
| dc.contributor.author | Williams, Benjamin S. | |
| dc.contributor.author | Kumar, Sushil | |
| dc.contributor.author | Hu, Qing | |
| dc.contributor.author | Reno, John L. | |
| dc.date.accessioned | 2014-05-02T14:40:21Z | |
| dc.date.available | 2014-05-02T14:40:21Z | |
| dc.date.issued | 2010-03 | |
| dc.date.submitted | 2010-01 | |
| dc.identifier.issn | 0146-9592 | |
| dc.identifier.issn | 1539-4794 | |
| dc.identifier.uri | http://hdl.handle.net/1721.1/86361 | |
| dc.description.abstract | We demonstrate a frequency tunable external cavity terahertz quantum cascade laser using an abutted antireflection-coated silicon lens to reduce facet reflection and as a beam-forming element, with an external grating providing frequency selective optical feedback. Angle tuning of the grating allows a single longitudinal mode of the laser ridge to be selected, resulting in discontinuous tuning over a 165 GHz range around a center frequency of 4.4 THz. Another device exhibited 145 GHz of total tuning with 9 GHz of continuous tuning near the longitudinal modes of the laser. | en_US |
| dc.description.sponsorship | United States. Air Force Office of Scientific Research | en_US |
| dc.description.sponsorship | United States. National Aeronautics and Space Administration | en_US |
| dc.description.sponsorship | National Science Foundation (U.S.) | en_US |
| dc.language.iso | en_US | |
| dc.publisher | Optical Society of America | en_US |
| dc.relation.isversionof | http://dx.doi.org/10.1364/OL.35.000910 | en_US |
| dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | en_US |
| dc.source | Other univ. web domain | en_US |
| dc.title | Tunable terahertz quantum cascade lasers with external gratings | en_US |
| dc.type | Article | en_US |
| dc.identifier.citation | Lee, Alan Wei Min, Benjamin S. Williams, Sushil Kumar, Qing Hu, and John L. Reno. “Tunable Terahertz Quantum Cascade Lasers with External Gratings.” Optics Letters 35, no. 7 (April 1, 2010): 910. © 2010 Optical Society of America | en_US |
| dc.contributor.department | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science | en_US |
| dc.contributor.department | Massachusetts Institute of Technology. Research Laboratory of Electronics | en_US |
| dc.contributor.mitauthor | Lee, Alan | en_US |
| dc.contributor.mitauthor | Kumar, Sushil | en_US |
| dc.contributor.mitauthor | Hu, Qing | en_US |
| dc.contributor.mitauthor | Williams, Benjamin S. | en_US |
| dc.relation.journal | Optics Letters | en_US |
| dc.eprint.version | Final published version | en_US |
| dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
| eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
| dspace.orderedauthors | Lee, Alan Wei Min; Williams, Benjamin S.; Kumar, Sushil; Hu, Qing; Reno, John L. | en_US |
| dc.identifier.orcid | https://orcid.org/0000-0003-1982-4053 | |
| dspace.mitauthor.error | true | |
| mit.license | PUBLISHER_POLICY | en_US |
| mit.metadata.status | Complete | |
