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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/3578

Title: ファイバ型位相変調素子を用いたスペクトル線幅測定法におけるプッシュプル駆動方式
Other Titles: ファイバガタ イソウ ヘンチョウ ソシ オ モチイタ スペクトル センプク ソクテイホウ ニオケル プッシュプル クドウ ホウシキ
Push-Pull Drive Method in Linewidth Measurement System with Fiber Type Phase Modulators
Authors: 小森, 大喜
木村, 悠人
森, 正和
MORI, Masakazu
Issue Date: 31-Mar-2020
Publisher: 愛知工業大学
Abstract: Push-pull drive method in linewidth measurement systems with fiber type phase modulators is developed. Firstly, we discuss the operation of a fiber type phase modulator. Then the principle of a frequency shifter, which consists of a fiber type phase modulator and a fiber coupler, is described. Secondly, we describe the operation of the push-pull drive method, which arranges an ultrasonic transducer at each end of a fiber loop. Finally, the performance of the push-pull drive method is evaluated by measuring linewidths of several laser diodes. With the push-pull drive method, the carrier component and the second side band components are suppressed by about 10dB.
URI: http://hdl.handle.net/11133/3578
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