Two-Element Phased Array of Anti-Guided Vertical-Cavity Lasers

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We demonstrate for the first time anti-guided coupling of two adjacent vertical-cavity surface-emitting lasers (VCSEL's), obtaining a 1-by-2 phase-locked array at 869 nm. The lateral index modification required for anti-guiding is achieved by a patterned 3-rim etch performed between two epitaxial growths. In contrast with prior evanescently coupled VCSEL's, adjacent anti-guided VCSEL's can emit in-phase and produce a single on-axis lobe in the far field. Greater than 2 mW of in-phase output power is demonstrated with two VCSEL's separated by 8 {micro}m. Moreover, phase locking of two VCSEL's separated by 20 {micro}m is observed, indicating the possibility of a new ... continued below

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13 p.

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ALLERMAN, ANDREW A.; CHOQUETTE, KENT D.; GEIB, KENT M.; HADLEY, G. RONALD & SERKLAND, DARWIN K. September 27, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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We demonstrate for the first time anti-guided coupling of two adjacent vertical-cavity surface-emitting lasers (VCSEL's), obtaining a 1-by-2 phase-locked array at 869 nm. The lateral index modification required for anti-guiding is achieved by a patterned 3-rim etch performed between two epitaxial growths. In contrast with prior evanescently coupled VCSEL's, adjacent anti-guided VCSEL's can emit in-phase and produce a single on-axis lobe in the far field. Greater than 2 mW of in-phase output power is demonstrated with two VCSEL's separated by 8 {micro}m. Moreover, phase locking of two VCSEL's separated by 20 {micro}m is observed, indicating the possibility of a new class of optical circuits based upon VCSEL's that interact horizontally and emit vertically.

Physical Description

13 p.

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OSTI as DE00012687

Medium: P; Size: 13 pages

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  • Journal Name: Applied Physics Letters; Other Information: Submitted to Applied Physics Letters

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  • Report No.: SAND99-2537J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 12687
  • Archival Resource Key: ark:/67531/metadc625039

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  • September 27, 1999

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  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 1:19 p.m.

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ALLERMAN, ANDREW A.; CHOQUETTE, KENT D.; GEIB, KENT M.; HADLEY, G. RONALD & SERKLAND, DARWIN K. Two-Element Phased Array of Anti-Guided Vertical-Cavity Lasers, article, September 27, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625039/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.