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    • 2. 发明申请
    • WAVELENGTH CONTROL DEVICE AND WAVELENGTH CONTROL METHOD
    • 波长控制装置和波长控制方法
    • US20110286696A1
    • 2011-11-24
    • US13113243
    • 2011-05-23
    • NORIYOSHI OKU
    • NORIYOSHI OKU
    • G02B6/26
    • G02B6/29352G02F2001/212G02F2203/05G02F2203/21
    • The wavelength control device comprises a first Mach-Zehnder filter which receives a first optical signal and outputs an optical signal having a predetermined wavelength, a second Mach-Zehnder filter which receives a second optical signal and outputs an optical signal having a predetermined wavelength, a heating unit heating respective parts of either one of the waveguides of the first and second Mach-Zehnder filters, a first wavelength detecting unit which receives an optical signal from the first Mach-Zehnder filter and detects a wavelength thereof, a second wavelength detecting unit which receives an optical signal from the second Mach-Zehnder filter and detects a wavelength thereof, a power control unit which controls power supplied to the heating unit based on the wavelength received from the first wavelength detecting unit, and an output unit which outputs a wavelength value based on the wavelength received from the second wavelength detecting unit.
    • 波长控制装置包括接收第一光信号并输出​​具有预定波长的光信号的第一马赫 - 曾德滤波器,接收第二光信号并输出​​具有预定波长的光信号的第二马赫 - 曾德滤波器, 加热单元加热第一和第二马赫 - 曾德滤波器的波导中的任一个的各个部分;第一波长检测单元,接收来自第一马赫 - 曾德滤波器的光信号并检测其波长;第二波长检测单元, 从第二马赫 - 曾德尔滤波器接收光信号并检测其波长;功率控制单元,其基于从第一波长检测单元接收的波长来控制供应给加热单元的功率;以及输出单元,其输出波长值 基于从第二波长检测单元接收的波长。
    • 3. 发明授权
    • Wavelength control device and wavelength control method
    • 波长控制装置和波长控制方法
    • US08634680B2
    • 2014-01-21
    • US13113243
    • 2011-05-23
    • Noriyoshi Oku
    • Noriyoshi Oku
    • G02F1/295G02B6/26
    • G02B6/29352G02F2001/212G02F2203/05G02F2203/21
    • The wavelength control device comprises a first Mach-Zehnder filter which receives a first optical signal and outputs an optical signal having a predetermined wavelength, a second Mach-Zehnder filter which receives a second optical signal and outputs an optical signal having a predetermined wavelength, a heating unit heating respective parts of either one of the waveguides of the first and second Mach-Zehnder filters, a first wavelength detecting unit which receives an optical signal from the first Mach-Zehnder filter and detects a wavelength thereof, a second wavelength detecting unit which receives an optical signal from the second Mach-Zehnder filter and detects a wavelength thereof, a power control unit which controls power supplied to the heating unit based on the wavelength received from the first wavelength detecting unit, and an output unit which outputs a wavelength value based on the wavelength received from the second wavelength detecting unit.
    • 波长控制装置包括接收第一光信号并输出​​具有预定波长的光信号的第一马赫 - 曾德滤波器,接收第二光信号并输出​​具有预定波长的光信号的第二马赫 - 曾德滤波器, 加热单元加热第一和第二马赫 - 曾德滤波器的波导中的任一个的各个部分,第一波长检测单元,其接收来自第一马赫 - 曾德滤波器的光信号并检测其波长;第二波长检测单元, 从第二马赫 - 曾德尔滤波器接收光信号并检测其波长;功率控制单元,其基于从第一波长检测单元接收的波长来控制供应给加热单元的功率;以及输出单元,其输出波长值 基于从第二波长检测单元接收的波长。