| Presentation | 2005-08-26 Ultra high extinction ratio intensity modulation using optical FSK modulator Tetsuya KAWANISHI, Naoya WADA, Takahide SAKAMOTO, Masahiro TSUCHIYA, Masayuki IZUTSU, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We propose a high-extinction ratio optical intensity modulation scheme using the LiNbO_3 optical FSK modulator which has a two sub Mach-Zehnder (MZ) structures in a main MZ structures, where a pair of rf-signals would be fed to the sub MZ structures for optical sideband generation. We can select one of the sidebands by changing the voltage applied to the main MZ structure. On the other hand, in the high-extinction ratio intensity modulation scheme, we use the sub MZ structures for compensation of intensity unbalance in the main MZ structure. The unbalance due to fabrication error causes degradation of the extinction ratio. We demonstrated high extinction ratio optical intensity switching by using a fabricated FSK modulator. The extinction ratio was 50dB. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Optical modulation / extinction ratio |
| Paper # | OCS2005-42 |
| Date of Issue |
| Conference Information | |
| Committee | OCS |
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| Conference Date | 2005/8/19(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Optical Communication Systems (OCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Ultra high extinction ratio intensity modulation using optical FSK modulator |
| Sub Title (in English) | |
| Keyword(1) | Optical modulation |
| Keyword(2) | extinction ratio |
| 1st Author's Name | Tetsuya KAWANISHI |
| 1st Author's Affiliation | National Institute of Information and Communications Technology() |
| 2nd Author's Name | Naoya WADA |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology |
| 3rd Author's Name | Takahide SAKAMOTO |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology |
| 4th Author's Name | Masahiro TSUCHIYA |
| 4th Author's Affiliation | National Institute of Information and Communications Technology |
| 5th Author's Name | Masayuki IZUTSU |
| 5th Author's Affiliation | National Institute of Information and Communications Technology |
| Date | 2005-08-26 |
| Paper # | OCS2005-42 |
| Volume (vol) | vol.105 |
| Number (no) | 243 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |