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US 2026/0229833 A1Published application
Digital control of lasers and associated systems, methods, and devices
AssigneeAeye, Inc.
InventorsGeorge Wilbur Harvey, Yimin Hua
Life of this patent
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AssigneeAeye, Inc.
InventorsGeorge Wilbur Harvey, Yimin Hua
Estimating the term…
An example system includes a laser source that includes a pump laser including multiple first laser diodes configured to generate optical energy, a current source, and multiple first switches, a first switch in series with a first laser diode and configured to receive a pump drive signal and control activation of the first laser diode based on the pump drive signal. The laser source further includes a seed laser including a second laser diode configured generate an optical beam and a second switch configured to receive a seed drive signal and to control current flow through the second laser diode based on the seed drive signal, and an optical amplifier configured to receive the optical beam and the optical energy and to generate a laser pulse. The example system further includes a system controller configured to generate the pump drive signal and the seed drive signal.
A system comprising:
The system of claim, wherein the laser source further includes feedback circuitry, the feedback circuitry including:
The system of claim, wherein the conversion circuitry includes:
The system of claim, wherein the feedback circuitry further includes gain selection circuitry configured to define a dynamic range for the current based on a gain select control signal.
The system of claim, further comprising:
The system of claim wherein the current source includes a constant current source.
The system of claim wherein the multiple first laser diodes include only two first laser diodes, and wherein the system controller is configured to generate two pump drive signals to operate the two first laser diodes at duty cycles of less than 100%.
The system of claim wherein the first switch of the multiple first switches is coupled between the first laser diode of the multiple first laser diodes and the current source.
The system of claim wherein the first switch of the multiple first switches is coupled between the first laser diode of the multiple first laser diodes and a reference potential.
The system of claim wherein the pump laser further includes multiple resistive elements, a first resistive element of the multiple resistive elements coupled between the first switch of the multiple first switches and the reference potential.
A system comprising:
The system of claim, further comprising feedback circuitry, the feedback circuitry including:
The system of claim, wherein the conversion circuitry includes:
The system of claim, wherein the feedback circuitry further includes gain selection circuitry configured to define a dynamic range for the current based on a gain select control signal.
The system of claim, wherein the current source includes a constant current source.
The system of claim, wherein the multiple first laser diodes include only two first laser diodes configured to operate at duty cycles of less than 100%.
The system of claim, wherein the first switch of the multiple first switches is coupled between the first laser diode of the multiple first laser diodes and the current source.
The system of claim wherein the first switch of the multiple first switches is coupled between the first laser diode of the multiple first laser diodes and a reference potential.
The system of claim, wherein the pump laser further includes multiple resistive elements, a first resistive element of the multiple resistive elements coupled between the first switch of the multiple first switches and the reference potential.
A method comprising:
-180. (canceled)
Dependencies are inferred from the claim text.