Study on phase sensitive amplifier using PPLN wabeguides
Project/Area Number |
25889052
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Research Category |
Grant-in-Aid for Research Activity Start-up
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Allocation Type | Single-year Grants |
Research Field |
Communication/Network engineering
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Research Institution | Tokai University |
Principal Investigator |
ASOBE Masaki 東海大学, 工学部, 教授 (60522000)
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Research Collaborator |
TAKENOUCHII Hirokazu NTT先端集積デバイス研究所
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Project Period (FY) |
2013-08-30 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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Keywords | 位相感応増幅 / 光増幅器 / 周期分極反転 / 擬似位相整合 / ニオブ酸リチウム |
Outline of Final Research Achievements |
We studied phase sensitive amplifier (PSA) which allows us to amplify optical signal with low noise quality. The efficiency of the carrier phase recovery was improved more than 10 dB by improving the design of optical device. We proved that stable phase locking and negligible degradation of signal quality is possible by modification of phase locked loop circuit. We also demonstrated amplification of polarization multiplexed signal by using two PPLN waveguide in polarization diversity configuration. We examined dispersion tolerance of the PSA experimentally and we found that signal quality can be recovered by amplification in PSA if the phase variation within a signal bandwidth is below π/2.
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Report
(3 results)
Research Products
(17 results)
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[Presentation] 究極の低雑音化に挑む位相感応増幅器の最新動向2015
Author(s)
竹ノ内 弘和, 梅木 毅伺, 忠永修, 宮本 裕, 遊部 雅生
Organizer
究極の低雑音化に挑む位相感応増幅器の最新動向
Place of Presentation
東海大学(東京都港区)
Year and Date
2015-01-11 – 2015-01-12
Related Report
Invited
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