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| Presentation | 2017-12-07 11:15 Investigation of Performance Improvement of a Si Photonic Optical OFDM Demultiplexer with Phase Monitors Tomohiro Naganuma, Kohei Simosawa, Kohei Morita, Hiroyuki Uenohara (Tokyo Tech)  OPE2017-93 Link to ES Tech. Rep. Archives: OPE2017-93 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, optical OFDM, which is based on OFDM conventionally used for wireless communication, has been studied to improve the spectral efficiency. We have been investigating an optical OFDM demultiplexer using Si waveguide structure as a method to make optical OFDM system smaller and lower power consumption. However, there is a problem that the transmissivity spectrum cannot be easily controlled with phase shifters existing in the waveguide due to fabrication error, and thus the desired operation cannot be realized. Therefore, in this study, we have introduced the phase monitors that identifies the phase of each waveguide by interfering split signals from the waveguides, and evaluated the characteristics in experiments. As a result, the transmissivity spectrum of the device became significantly different from the simulation results. We will report on the investigation of the cause of discrepancy. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical OFDM / Silicon photonics / Discrete Fourier transform / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 339, OPE2017-93, pp. 19-24, Dec. 2017. | |
| Paper # | OPE2017-93 | |
| Date of Issue | 2017-11-30 (OPE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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| Download PDF | OPE2017-93 Link to ES Tech. Rep. Archives: OPE2017-93 |
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| Conference Information | |
| Committee | OPE |
| Conference Date | 2017-12-07 - 2017-12-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2017-12-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of Performance Improvement of a Si Photonic Optical OFDM Demultiplexer with Phase Monitors |
| Sub Title (in English) | |
| Keyword(1) | Optical OFDM |
| Keyword(2) | Silicon photonics |
| Keyword(3) | Discrete Fourier transform |
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| 1st Author's Name | Tomohiro Naganuma |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Kohei Simosawa |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Kohei Morita |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 4th Author's Name | Hiroyuki Uenohara |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2017-12-07 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | OPE2017-93 |
| Volume (vol) | vol.117 |
| Number (no) | no.339 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2017-11-30 (OPE) |
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