US4989935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optoelectronic transmitter and receiver
Assignee: Infineon Technologies AG
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Filing: 1989-09-18
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Granted: 1991-02-05
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Expires: 2009-09-18
Abstract
Abstract An optoelectronic transmission and reception device includes an optical transmitter inserted into a silicon wafer as a laser chip composed of III/V compound semiconductor material, an optical receiver inserted into the silicon wafer as a reception diode chip composed of III/V compound semiconductor material or which is monolithically integrated into the silicon wafer as a metal-semiconductor diode. A coupling optics for connection to an optical fiber is monolithically integrated into the silicon wafer, as is a controller that includes a drive circuit for the transmitter and a pre-amplifier circuit for the receiver, a wavelength selective beam splitter and light wave guides for light guidance. The device is particularly useful as a bi-directional transmission and reception module.
Inventors
- 👤 Karl-Ulrich Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:19
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/40; G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4246; G02B6/43; H10; H10F; H10F39/00; H10F39/10; H10F39/103
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
144 words
An optoelectronic transmitter and receiver device on a silicon wafer, comprising: an optical transmitter inserted into the silicon wafer and formed of a laser composed of III/V compound semiconductor material; an optical receiver inserted into the silicon wafer and formed of a receptor diode; a controller monolithically integrated in the silicon wafer including: a drive circuit means for driving said optical transmitter; a pre-amplifier circuit means for amplifying output signals from said optical receiver; coupling optics on the silicon wafer having a connection for an optical fiber; light guides monolithically integrated in the silicon wafer and connected between said coupling optics and said optical transmitter and said optical receiver; and a wavelength selective beam splitter in said light guides between said coupling optics and said optical transmitter and said optical receiver for beam splitting, said beam splitter being monolithically integrated into the silicon wafer.
Claim 2
Dependent Claim
144 words
An optoelectronic transmitter and receiver device on a silicon wafer, comprising: an optical transmitter inserted into the silicon wafer and formed of a laser composed of III/V compound semiconductor material; an optical receiver inserted into the silicon wafer and formed of a receptor diode; a controller monolithically integrated in the silicon wafer including: a drive circuit means for driving said optical transmitter; a pre-amplifier circuit means for amplifying output signals from said optical receiver; coupling optics on the silicon wafer having a connection for an optical fiber; light guides monolithically integrated in the silicon wafer and connected between said coupling optics and said optical transmitter and said optical receiver; and a wavelength selective beam splitter in said light guides between said coupling optics and said optical transmitter and said optical receiver for beam splitting, said beam splitter being monolithically integrated into the silicon wafer.
Claim 3
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said light guides are formed as silicon ridges on the silicon wafer.
Claim 4
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 2, wherein said light guides have optically active doped layers in the silicon wafer.
Claim 5
Dependent Claim
22 words
An optoelectronic transmitter and receiver device as claimed in claim 2, wherein said light guides have silicon/oxide/oxinitride layers on the silicon wafer.
Claim 6
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said light guides are formed as strip lines on the silicon wafer.
Claim 7
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 5, wherein said light guides have optically active doped layers in the silicon wafer.
Claim 8
Dependent Claim
22 words
An optoelectronic transmitter and receiver device as claimed in claim 5, wherein said light guides have silicon/oxide/oxinitride layers on the silicon wafer.
Claim 9
Dependent Claim
37 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said coupling optics includes a groove in said silicon wafer adapted for fastening a connecting fiber, said groove being in combination with said light guides.
Claim 10
Dependent Claim
25 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said coupling optics is a means for butt-coupling a fiber to said device.
Claim 11
Dependent Claim
32 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said coupling optics includes a bonded fiber splice connection having said light guides formed with a tongue at an end.
Claim 12
Dependent Claim
21 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said wavelength selective beam splitter is a directional coupler.
Claim 13
Dependent Claim
21 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said wavelength selective beam splitter is a surface grating.
Claim 14
Dependent Claim
26 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: a monitor diode integrated into said controller for measuring and converting light power.
Claim 15
Dependent Claim
25 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: a bolometer integrated into said controller for measuring and converting light power.
Claim 16
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: electronic interconnects integrated into said silicon wafer using integrated circuit technology.
Claim 17
Dependent Claim
32 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: means for amplifying electrical signals in said device, said means for amplifying being monolithically integrated into said silicon wafer.
Claim 18
Dependent Claim
21 words
An optoelectronic transmitter and receiver device as claimed in claim 16, wherein said means for amplifying includes transistors in metal-semiconductor-PtSi technology.
Claim 19
Dependent Claim
20 words
An optoelectronic transmitter and receiver device as claimed in claim 16, wherein said means for amplifying includes broad band amplifiers.
Claim 20
Dependent Claim
19 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said III/V compound semiconductor material is InP/InGaAsP.
Claim 21
Dependent Claim
24 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said drive circuit is integrated into said laser of said optical transmitter.
Claim 22
Dependent Claim
25 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said pre-amplifier circuit is integrated into said receptor diode of said optical receiver.
Claim 23
Dependent Claim
29 words
An optoelectronic transmitter and receiver device as claimed in claim 1, wherein said receptor diode is a metal-semiconductor platinum silicide Schottky barrier diode monolithically integrated in the silicon wafer.
Claim 24
Dependent Claim
43 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: a monitor diode which is a metal-semiconductor platinum silicide Schottky barrier diode monolithically integrated in the silicon wafer, said monitor diode being disposed to monitor output from said optical transmitter.
Claim 25
Dependent Claim
43 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: a bottom plate applied onto a bottom of said optoelectronic transmitter and receiver device; means for encapsulating said optoelectronic transmitter and receiver device and a light wave guide connected thereto.
Claim 26
Dependent Claim
44 words
An optoelectronic transmitter and receiver device as claimed in claim 1, further comprising: a lead frame applied onto a bottom of said optoelectronic transmitter and receiver device; and means for encapsulating said optoelectronic transmitter and receiver device and a light wave guide connected thereto.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-04 | 1994-08-06 | 1995-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-04 | 1998-08-06 | 1999-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-04 | 2002-08-06 | 2003-02-05 | $7700.00 | Window Closed / Lapsed |