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US-2024372621-A1 · Nov 7, 2024 · US
Single-fiber subassembly
US9110262B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9110262-B2 |
| Application number | US-201314077936-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 12, 2013 |
| Priority date | Nov 22, 2011 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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A single-fiber subassembly includes a first photodiode for receiving incident light, a laser diode for transmitting emergent light, and a same-wavelength optical splitter having a positive direction. The splitter includes a first birefringent plate, a half-wave plate, a 45° Faraday rotator, and a second birefringent plate arranged in sequence along and vertical to the positive direction. An included angle between an optical axis of the first plate and the positive direction is α, where 0°<α<90°; an angle between an e-axis of the half-wave plate and a principal section of the first plate is β, where β=22.5° or 67.5°. The incident light passes through the splitter along the positive direction; the emergent light passes through the splitter along a direction opposite to the positive direction; and the emergent light is linearly polarized light whose polarization direction is vertical to the principal section of the first plate.
First claim
Opening claim text (preview).
What is claimed is: 1. A single-fiber subassembly, comprising: a first photodiode for receiving incident light and a laser diode for transmitting emergent light; a same-wavelength optical splitter having a positive direction and comprising a first birefringent plate, a half-wave plate, a 45° Faraday rotator, and a second birefringent plate that is the same as the first birefringent plate, which are arranged in sequence along the positive direction and oriented perpendicular to t…
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Classifications
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
- G02B6/4246Primary
Physics · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9110262B2 cover?
- A single-fiber subassembly includes a first photodiode for receiving incident light, a laser diode for transmitting emergent light, and a same-wavelength optical splitter having a positive direction. The splitter includes a first birefringent plate, a half-wave plate, a 45° Faraday rotator, and a second birefringent plate arranged in sequence along and vertical to the positive direction. An inc…
- Who is the assignee on this patent?
- Huawei Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G02B6/4246. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).