Invention Application
- Patent Title: VERTICAL CAVITY SURFACE EMITTING LASER AND ATOMIC OSCILLATOR
- Patent Title (中): 垂直孔表面发射激光和原子振荡器
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Application No.: US14576675Application Date: 2014-12-19
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Publication No.: US20150180204A1Publication Date: 2015-06-25
- Inventor: Satoshi TAKENAKA , Yuji KURACHI
- Applicant: Seiko Epson Corporation
- Priority: JP2013-263468 20131220
- Main IPC: H01S5/183
- IPC: H01S5/183

Abstract:
A vertical cavity surface emitting laser includes: a substrate; a laminated body which is provided over the substrate; an electrode of which at least a portion is provided over the laminated body; and a pad which is connected to the electrode, wherein the laminated body includes a first mirror layer provided over the substrate, an active layer provided over the first mirror layer, and a second mirror layer provided over the active layer, in a plan view, the laminated body includes a first distortion imparting portion, a second distortion imparting portion, and a resonance portion which is provided between the first distortion imparting portion and the second distortion imparting portion and resonates light generated in the active layer, and in the plan view, the pad is provided in a position that is not overlapped with at least one of the first distortion imparting portion and the second distortion imparting portion.
Public/Granted literature
- US09397478B2 Vertical cavity surface emitting laser and atomic oscillator Public/Granted day:2016-07-19
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