Optical functional amplifying method and optical functional amplifying device
US6124966A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 7, 1998 |
| Grant date | Sep 26, 2000 |
| Priority date | — |
| Expiry date | Jan 7, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/509
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical functional amplifying device suitable for use in an optical gate which operates at a very high repetition frequency such as a frequency exceeding 100 GHz. The device has a semiconductor laser amplifier having a gain section and a saturable absorber section, a first optical coupler for coupling an input signal optical pulse train having a wavelength whose value is set near the absorption edge of the saturable absorber section in the semiconductor laser amplifier, a second optical coupler for coupling a gate optical pulse train having a wavelength shorter than that of the input signal optical pulse train to the semiconductor laser amplifier, and a selector for separating and extracting a signal optical pulse train emitted from the semiconductor laser amplifier from the gate optical pulse train. The repetition frequency of the gate optical pulse train is set to one N-th the basic frequency of the input signal optical pulse train, N being a natural number, to establish timing synchronization between the gate optical pulse train and the input signal optical pulse train.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.