Title:
光ＩＱ変調器
Document Type and Number:
Japanese Patent JP7323042
Kind Code:
B2
Abstract:
An optical IQ modulator includes: Y branching elements, which are cascade-connected, each of which has one input and two outputs; QPSK modulators configured to perform QPSK modulation on continuous light branched by the Y branching elements to generate signal light; and Y combining elements, which are cascade-connected, each of which has two inputs and one output.
Inventors:
Shota Kita
Masaya Notomi
Akihiko Shinya
Kengo Nozaki
Kenta Takada
Masaya Notomi
Akihiko Shinya
Kengo Nozaki
Kenta Takada
Application Number:
JP2022501518A
Publication Date:
August 08, 2023
Filing Date:
February 20, 2020
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02F1/01; G02F3/00; H04B10/556
Domestic Patent References:
| JP2009027441A | ||||
| JP2014022827A | ||||
| JP2012155238A |
Foreign References:
| WO2017134483A1 | ||||
| US20180062753 |
Attorney, Agent or Firm:
Shigeki Yamakawa
Yuzo Koike
Masaki Yamakawa
Yasushi Motoyama
Yuzo Koike
Masaki Yamakawa
Yasushi Motoyama
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