Optical module
AssigneeHisense Broadband Multimedia Technologies Co., Ltd.
InventorsQiang Zhang, Qisheng Zhao, Shihai Yang
Life of this patent
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Abstract
The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.
Claims12
An optical module, comprising:
- a laser comprising a light source, a first modulation region, and a second modulation region, wherein:
- the light source is configured to emit a light beam,
- the first modulation region is configured to receive the light beam from the light source, modulate an optical power of the light beam and deliver the light beam to the second modulation region, and
- the second modulation region is configured to receive the light beam from the first modulation region, modulate the optical power of the light beam from the first modulation region, and deliver the light beam;
- a first driver circuit comprising a modulation circuit, wherein:
- the modulation circuit is connected to the first modulation region, and
- the modulation circuit is configured to drive the first modulation region according to a first amplitude-adjusting signal from a system end;
- and
- a second driver circuit connected to the second modulation region, wherein:
- the second driver circuit is configured to drive the second modulation region according to a second amplitude-adjusting signal from the system end.
An optical module comprising:
- a laser comprising a light source, a first modulation region, and a second modulation region, wherein:
- the light source is configured to emit a light beam,
- the first modulation region is configured to receive the light beam from the light source, modulate an optical power of the light beam and deliver the light beam to the second modulation region, and
- the second modulation region is configured to receive the light beam from the first modulation region, modulate the optical power of the light beam from the first modulation region, and deliver the light beam;
- a first driver circuit comprising a modulation circuit and a bias circuit, wherein:
- the modulation circuit is connected to the first modulation region,
- the modulation circuit is configured to drive the first modulation region to adjust the optical power of the light beam according to a first amplitude-adjusting signal from a system end, and
- the bias circuit is connected to the light source and configured to drive the light source to emit the light beam with a stable optical power;
- and
- a second driver circuit connected to the second modulation region and configured to control the second modulation region to adjust the optical power of the light beam by driving the second modulation region, wherein:
- the second driver circuit is configured to drive the second modulation region according to a second amplitude-adjusting signal from the system end.
Dependencies are inferred from the claim text.