| Presentation | 1997/11/5 Novel Mechanism for Reducing Recovery Time of Optical Nonlinearity in Semiconductor Laser Amplifier Using Assist Light Masashi Usami, Munefumi Tsurusawa, Yuichi Matsushima, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We propose and demonstrate a novel scheme to reduce the recovery time of optical nonlinearity in semiconductor laser optical amplifier (SOA) driven under loss condition for the signal light pulse. The simple rate equation indicates that the additional light, which is set at transparency wavelength in the active layer, promotes stimulated recombination of excess carriers induced by the absorption of the signal light. This scheme excludes any additional carrier transport mechanism and nonradiative recombination and hence generation of heat. The principle of operation is experimentally verified by measuring time-domain transmission variance by means of pump-probe method. Drastic reduction of the excess-carrier lifetime shorter than 60 ps was confirmed. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | All optical functional device / Saturable absorption / Semiconductor optical amplifier / Stimulated emission |
| Paper # | LQE97-111 |
| Date of Issue |
| Conference Information | |
| Committee | LQE |
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| Conference Date | 1997/11/5(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Lasers and Quantum Electronics (LQE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Novel Mechanism for Reducing Recovery Time of Optical Nonlinearity in Semiconductor Laser Amplifier Using Assist Light |
| Sub Title (in English) | |
| Keyword(1) | All optical functional device |
| Keyword(2) | Saturable absorption |
| Keyword(3) | Semiconductor optical amplifier |
| Keyword(4) | Stimulated emission |
| 1st Author's Name | Masashi Usami |
| 1st Author's Affiliation | KDD R&D Laboratories() |
| 2nd Author's Name | Munefumi Tsurusawa |
| 2nd Author's Affiliation | KDD R&D Laboratories |
| 3rd Author's Name | Yuichi Matsushima |
| 3rd Author's Affiliation | KDD R&D Laboratories |
| Date | 1997/11/5 |
| Paper # | LQE97-111 |
| Volume (vol) | vol.97 |
| Number (no) | 364 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |