Optical signal sending apparatus
US-2024235689-A1 · Jul 11, 2024 · US
High bandwidth and input impedance electro-optic probe
US2016363833A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016363833-A1 |
| Application number | US-201314133390-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 18, 2013 |
| Priority date | Dec 18, 2013 |
| Publication date | Dec 15, 2016 |
| Grant date | — |
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Abstract
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An electro-optic modulator of a test and measurement system. The electro-optic modulator includes a first electrode, a second electrode with identical electrical characteristics as the first electrode and an optical waveguide between the first electrode and the second electrode. The first electrode and the second electrode present a balanced load to a device under test.
First claim
Opening claim text (preview).
What is claimed is: 1 . An electro-optic modulator of a test and measurement system, comprising: a first electrode; a second electrode with identical electrical characteristics of the first electrode; and an optical waveguide between the first electrode and the second electrode, wherein the first electrode and the second electrode present a balanced high impedance load to a device under test. 2 . The electro-optic modulator of claim 1 , wherein the electro-optic modulator is a Mach-Zehnder modulator. 3 . The electro-optic modulator of claim 1 , wherein the second electrode is comprised of two halves, wherein half of the second electrode is adjacent to one side of the first electrode and the other half of the second electrode is adjacent to the other side of the first electrode. 4 . The electro-optic modulator of claim 3 , wherein the optical waveguide comprises two light branches, each light branch located between each half of the second electrode and the first electrode. 5 . The electro-optic modulator of claim 1 , wherein each of the second electrode and the first electrode are segmented into multiple portions. 6 . The electro-optic modulator of claim 1 , wherein the second electrode and the first electrode are located within a guard. 7 . The electro-optic modulator of claim 1 , wherein ends of the second electrode and the first electrode are unterminated. 8 . A test and measurement system, comprising: the device under test; an accessory head with the electro-optic modulator of claim 1 connected to the device under test; a controller connected to the accessory head; and a test and measurement instrument connected to the controller. 9 . The electro-optic modulator of claim 1 , further comprising two bias electrodes to set a bias point of the electro-optic modulator. 10 . The electro-optic modulator of claim 9 , wherein the two bias electrodes are similar construction to the first electrode and the second electrode.
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Classifications
Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops · CPC title
Physics · mapped topic
- G02F1/225Primary
in an optical waveguide structure · CPC title
having a particular pattern · CPC title
using electro-optical modulators, e.g. electro-absorption (probes containing electro-optic elements G01R1/071) · CPC title
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- What does patent US2016363833A1 cover?
- An electro-optic modulator of a test and measurement system. The electro-optic modulator includes a first electrode, a second electrode with identical electrical characteristics as the first electrode and an optical waveguide between the first electrode and the second electrode. The first electrode and the second electrode present a balanced load to a device under test.
- Who is the assignee on this patent?
- Tektronix Inc
- What technology area does this patent fall under?
- Primary CPC classification G02F1/225. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Dec 15 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).