Method of monolithic temperature-stabilization of a laser diode by evanescent coupling to a temperature stable grating
US5123070A · kind A · utility
29Cited by
9References
9Claims
0Family size
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Key dates
| Filing date | Sep 10, 1990 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | Sep 10, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/141
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An integral waveguide is formed in the epitaxial layers as a continuation of a diode laser. The waveguide runs away from the laser active region. Light is coupled out of the laser and its integral waveguide into a dielectric waveguide which runs parallel and adjacent to the integral waveguide. Processing to form the temperature-stabilized Bragg grating, therefore, need not be performed on the laser substrate directly adjacent to the active area, but can be done some distance away to avoid damage to the laser's active area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.