Title:
AIR-CAVITY DOMINANT VERTICAL CAVITY SURFACE EMITTING LASERS
Document Type and Number:
WIPO Patent Application WO/2019/013846
Kind Code:
A3
Abstract:
Vertical-cavity surface-emitting laser (VCSEL) structures are described which enable their use as widely wavelength-swept coherent light sources and multiple-wavelength VCSEL arrays. Three general configurations are described: (a) a semiconductor-cavity-dominant (SCD) with high reflection at the semiconductor-air interface, (b) an extended-cavity (EC) design in which reflections at the semiconductor-air interface is reduced to insignificance compared to the SCD design with a refractive index-matched layer (i.e., AR layer) so the entire structure resonates as one cavity, and (c) an air-cavity-dominant (ACD) design which facilitates a larger field confinement in the air gap, and the increased field confinement causes the air gap to be the dominant cavity.
Inventors:
CHANG-HASNAIN CONNIE (US)
QIAO PENGFEI (US)
COOK KEVIN (US)
QIAO PENGFEI (US)
COOK KEVIN (US)
Application Number:
PCT/US2018/027109
Publication Date:
May 02, 2019
Filing Date:
April 11, 2018
Export Citation:
Assignee:
UNIV CALIFORNIA (US)
International Classes:
H01S5/183; H01S5/022; H01S5/026; H01S5/10; H01S5/187; H01S5/343
Foreign References:
| US20150171597A1 | 2015-06-18 | |||
| US20160056613A1 | 2016-02-25 | |||
| US20040013157A1 | 2004-01-22 | |||
| KR100794673B1 | 2008-01-14 | |||
| JP2006294811A | 2006-10-26 |
Attorney, Agent or Firm:
O'BANION, John (US)
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