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| Presentation | 2021-12-20 14:55 [Invited Talk] Low phase noise terahertz-wave generation based on a microcomb Tomohiro Tetsumoto (NICT), Tadao Nagatsuma (Osaka Univ.), Martin Fermann (IMRA), Gabriele Navickaite, Michael Geiselmann (Ligentec), Antoine Rolland (IMRA)  ED2021-51 Link to ES Tech. Rep. Archives: ED2021-51 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | There has been a growing need for low phase noise 300 GHz oscillators to respond to demands given by, such as, continuous extension of frequency band coverage in wireless communication. Optical frequency division based on optical frequency combs has enabled record low phase noise at frequency bands below 100 GHz, however, a novel system design is required to employ the method in the 300 GHz wave domain efficiently. In this study, we apply the optical frequency division to a Kerr microresonator optical frequency comb (microcomb) with a repetition frequency of 300 GHz, and generate a low phase noise 300 GHz wave through photo-detection of the stabilized comb with an ultra-fast photodiode. The obtained phase noise at 10 kHz offset frequency of -100 dBc/Hz, characterized with a devised system, is the lowest value in the 300 GHz wave domain. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical frequency comb / optical microresonator / nonlinear optics / microwave photonics / terahertz wave / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 309, ED2021-51, pp. 16-19, Dec. 2021. | |
| Paper # | ED2021-51 | |
| Date of Issue | 2021-12-13 (ED) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ED2021-51 Link to ES Tech. Rep. Archives: ED2021-51 |
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| Conference Information | |
| Committee | ED THz |
| Conference Date | 2021-12-20 - 2021-12-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ED |
| Conference Code | 2021-12-ED-THz |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Low phase noise terahertz-wave generation based on a microcomb |
| Sub Title (in English) | |
| Keyword(1) | Optical frequency comb |
| Keyword(2) | optical microresonator |
| Keyword(3) | nonlinear optics |
| Keyword(4) | microwave photonics |
| Keyword(5) | terahertz wave |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomohiro Tetsumoto |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Tadao Nagatsuma |
| 2nd Author's Affiliation | Graduate School of Engineering Science, Osaka University (Osaka Univ.) |
| 3rd Author's Name | Martin Fermann |
| 3rd Author's Affiliation | IMRA America Inc. (IMRA) |
| 4th Author's Name | Gabriele Navickaite |
| 4th Author's Affiliation | Ligentec SA (Ligentec) |
| 5th Author's Name | Michael Geiselmann |
| 5th Author's Affiliation | Ligentec SA (Ligentec) |
| 6th Author's Name | Antoine Rolland |
| 6th Author's Affiliation | IMRA America Inc. (IMRA) |
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| Speaker | Author-1 |
| Date Time | 2021-12-20 14:55:00 |
| Presentation Time | 40 minutes |
| Registration for | ED |
| Paper # | ED2021-51 |
| Volume (vol) | vol.121 |
| Number (no) | no.309 |
| Page | pp.16-19 |
| #Pages | 4 |
| Date of Issue | 2021-12-13 (ED) |
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