Modulation of signals in optical systems
A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical si...
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2007
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oai:psasir.upm.edu.my:20430 http://psasir.upm.edu.my/id/eprint/20430/ Modulation of signals in optical systems Abdullah, Mohammad Khazani Dimyati, Kaharudin Abas @ Ismail, Ahmad Fauzi Endut, Rosdisham Abdullah, Fairuz A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical signals of different wavelength or of the same wavelength but differently encoding, combining the two optical signals into a single optical fibre, separating the combined signals into an un-inverted and an inverted optical signal, reconverting the two optical signals to two electrical signals, determining the difference in voltage between corresponding bits of the two signals and generating a digital electrical output signal based on that difference. The invention also includes a modulation arrangement for use in the method. 2007-07-31 Patent NonPeerReviewed Mohammad Khazani Abdullah (2007) Modulation of signals in optical systems. UNSPECIFIED. |
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A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical signals of different wavelength or of the same wavelength but differently encoding, combining the two optical signals into a single optical fibre, separating the combined signals into an un-inverted and an inverted optical signal, reconverting the two optical signals to two electrical signals, determining the difference in voltage between corresponding bits of the two signals and generating a digital electrical output signal based on that difference. The invention also includes a modulation arrangement for use in the method. |
| format |
Patent |
| author |
Abdullah, Mohammad Khazani Dimyati, Kaharudin Abas @ Ismail, Ahmad Fauzi Endut, Rosdisham Abdullah, Fairuz |
| spellingShingle |
Abdullah, Mohammad Khazani Dimyati, Kaharudin Abas @ Ismail, Ahmad Fauzi Endut, Rosdisham Abdullah, Fairuz Modulation of signals in optical systems |
| author_facet |
Abdullah, Mohammad Khazani Dimyati, Kaharudin Abas @ Ismail, Ahmad Fauzi Endut, Rosdisham Abdullah, Fairuz |
| author_sort |
Abdullah, Mohammad Khazani |
| title |
Modulation of signals in optical systems |
| title_short |
Modulation of signals in optical systems |
| title_full |
Modulation of signals in optical systems |
| title_fullStr |
Modulation of signals in optical systems |
| title_full_unstemmed |
Modulation of signals in optical systems |
| title_sort |
modulation of signals in optical systems |
| publishDate |
2007 |
| _version_ |
1819294391876976640 |
| score |
13.4562235 |