申请日期 | 2025-06-24 | 申请号 | US14144344 |
公开(公告)号 | US9853411B2 | 公开(公告)日 | 2017-12-26 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | nLight Photonics Corporation | ||
简介 | Gain switched laser diode pulses are used as seed pulses for optical pulse generation. ASE is reduced by applying a prebias to the laser diodes at an amplitude less than that associated with a laser diode threshold. An electrical seed pulse having an amplitude larger than that associated with laser threshold is applied within about 10-100 ns of the prebias pulse. The resulting laser diode pulse can be amplified in a pumped, rare earth doped optical fiber, with reduced ASE. |
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