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公开(公告)号：US20090022186A1
公开(公告)日：2009-01-22
申请号：US12175872
申请日：2008-07-18
CPC分类号： H01S5/0612 , H01S5/06256 , H01S5/06258 , H01S5/1209 , H01S5/1212 , H01S5/125
摘要： A method of controlling a semiconductor laser that has a plurality of wavelength selection portions having a different wavelength property from each other and is mounted on a temperature control device, including: a first step of correcting a temperature of the temperature control device according to a detected output wavelength of the semiconductor laser; and a second step of controlling at least one of the wavelength selection portions so that changing amount differentials between each wavelength property of the plurality of the wavelength selection portions is reduced, the changing amount differential being caused by correcting the temperature of the temperature control device.
摘要翻译： 一种控制具有彼此具有不同波长特性的多个波长选择部分并安装在温度控制装置上的半导体激光器的方法，包括：第一步骤，根据检测到的温度控制装置的温度进行校正 半导体激光器的输出波长; 以及第二步骤，控制波长选择部分中的至少一个，使得多个波长选择部分的每个波长特性之间的变化量差异减小，所述变化量差异是通过校正温度控制装置的温度而引起的。
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公开(公告)号：US20090022185A1
公开(公告)日：2009-01-22
申请号：US12175619
申请日：2008-07-18
IPC分类号： H01S3/10
CPC分类号： H01S5/024 , H01S5/02415 , H01S5/0261 , H01S5/0265 , H01S5/0612 , H01S5/0617 , H01S5/06256 , H01S5/06804 , H01S5/0683 , H01S5/0687
摘要： A method of controlling a semiconductor laser having a wavelength selection portion, a refractive index of the wavelength selection portion being controllable with a heater including: a starting sequence including a first step for adjusting a heat value of the heater until the heat value of the heater reaches a given value; and a wavelength control sequence including a second step for correcting a wavelength of the semiconductor laser according to a detection result of an oscillation wavelength of the semiconductor laser after the starting sequence.
摘要翻译： 一种控制具有波长选择部分的半导体激光器的方法，波长选择部分的折射率由加热器控制，该加热器包括：起始顺序，包括用于调节加热器的热值直到加热器的热值的第一步骤 达到给定值; 以及波长控制顺序，包括根据起动顺序之后的半导体激光器的振荡波长的检测结果来校正半导体激光器的波长的第二步骤。
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公开(公告)号：US20090021238A1
公开(公告)日：2009-01-22
申请号：US12174948
申请日：2008-07-17
CPC分类号： G02F1/0147 , G02F1/0121 , G02F1/3136 , G02F2201/307 , G02F2201/346 , H01S5/024 , H01S5/02415 , H01S5/0261 , H01S5/0612 , H01S5/0617 , H01S5/0687 , H01S5/1209 , H01S5/125
摘要： An optical device includes an optical element, a detector and a controller. The optical element has an optical waveguide. Refractive index of the optical waveguide is controlled by a heater. A temperature of the optical element is controlled by a temperature control device. The detector detects a current flowing in the heater and/or a voltage applied to the heater. The controller controls an electrical power provided to the heater so as to be kept constant according to the detection result of the detector.
摘要翻译： 光学装置包括光学元件，检测器和控制器。 光学元件具有光波导。 光波导的折射率由加热器控制。 光学元件的温度由温度控制装置控制。 检测器检测在加热器中流动的电流和/或施加到加热器的电压。 控制器控制提供给加热器的电力，以便根据检测器的检测结果保持恒定。
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公开(公告)号：US08681826B2
公开(公告)日：2014-03-25
申请号：US13117557
申请日：2011-05-27
IPC分类号： H01S3/10
CPC分类号： H01S5/06256 , H01S5/0265 , H01S5/0612 , H01S5/06258 , H01S5/1209 , H01S5/1212
摘要： A method for tuning a semiconductor laser including a plurality of wavelength selection portions, each of which has a periodic wavelength characteristic, including: controlling a value of a refractive index controlling means of the wavelength selection portions to achieve a desired output wavelength of the laser; and shifting the value when the value is equal to or excess of a predetermined value to a basal value side until achieving the desired output wavelength, the basal value being a value without applying refractive index variation by the refractive index controlling means, the predetermined value being a value for shifting one period of the periodic wavelength characteristic.
摘要翻译： 一种调谐半导体激光器的方法，所述半导体激光器包括具有周期性波长特性的多个波长选择部分，包括：控制所述波长选择部分的折射率控制装置的值以实现所述激光器的期望输出波长; 并且当所述值等于或超过预定值到所述基本值侧而将所述值移位直到达到期望的输出波长时，所述基础值是不由所述折射率控制装置施加折射率变化的值，所述预定值是 用于移动周期波长特性的一个周期的值。
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公开(公告)号：US20110228800A1
公开(公告)日：2011-09-22
申请号：US13117557
申请日：2011-05-27
IPC分类号： H01S3/10
CPC分类号： H01S5/06256 , H01S5/0265 , H01S5/0612 , H01S5/06258 , H01S5/1209 , H01S5/1212
摘要： A method for tuning a semiconductor laser including a plurality of wavelength selection portions, each of which has a periodic wavelength characteristic, including: controlling a value of a refractive index controlling means of the wavelength selection portions to achieve a desired output wavelength of the laser; and shifting the value when the value is equal to or excess of a predetermined value to a basal value side until achieving the desired output wavelength, the basal value being a value without applying refractive index variation by the refractive index controlling means, the predetermined value being a value for shifting one period of the periodic wavelength characteristic.
摘要翻译： 一种调谐半导体激光器的方法，所述半导体激光器包括具有周期性波长特性的多个波长选择部分，包括：控制所述波长选择部分的折射率控制装置的值以实现所述激光器的期望输出波长; 并且当所述值等于或超过预定值到所述基本值侧而将所述值移位直到达到期望的输出波长时，所述基础值是不由所述折射率控制装置施加折射率变化的值，所述预定值是 用于移动周期波长特性的一个周期的值。
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6.发明授权Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device 有权波长可调激光器的测试方法，波长可调激光器和激光器件的控制方法公开(公告)号：US07929581B2
公开(公告)日：2011-04-19
申请号：US12342869
申请日：2008-12-23
CPC分类号： H01S5/0687 , H01S5/0014 , H01S5/0612 , H01S5/0617 , H01S5/06256 , H01S5/1209
摘要： A testing method of a wavelength-tunable laser having a resonator including wavelength selection portions having wavelength property different from each other includes a first step of controlling the wavelength-tunable laser so as to oscillate at a given wavelength according to an initial setting value, a second step of tuning the wavelength property of the wavelength selection portions and detecting discontinuity point of gain-condition-changing of the wavelength-tunable laser, and a third step of obtaining a stable operating point of the wavelength selection portion according to a limiting point of an oscillation condition at the given wavelength, the limiting point being a point when the discontinuity point is detected.
摘要翻译： 具有包括波长特性彼此不同的波长选择部分的谐振器的波长可调激光器的测试方法包括：控制波长可调谐激光器以便根据初始设定值以给定波长振荡的第一步骤; 调整波长选择部分的波长特性并检测波长可调谐激光器的增益状态变化的不连续点的第二步骤，以及根据波长选择部分的限制点获得波长选择部分的稳定工作点的第三步骤 在给定波长处的振荡条件，限制点是当检测到不连续点时的点。
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公开(公告)号：US20100296532A1
公开(公告)日：2010-11-25
申请号：US12847340
申请日：2010-07-30
IPC分类号： H01S3/10
CPC分类号： H01S5/06256 , H01S5/024 , H01S5/02415 , H01S5/0617 , H01S5/06837 , H01S5/0687 , H01S5/1032 , H01S5/1209 , H01S5/1212 , H01S5/142
摘要： A laser device includes a resonator having a gain region, a first wavelength selection portion having a periodical peak in wavelength characteristics and a second wavelength selection portion having a periodical peak in wavelength characteristics in a wavelength range smaller than a variable range of an oscillation wavelength at a period different from the first wavelength selection portion, the oscillation wavelength selected with a single direction changing of a refractive index of the second wavelength selection portion changing in a single direction; a storing portion storing a setting value of a refractive index of the second wavelength selection portion for selecting an oscillation wavelength according to an oscillation wavelength to be attained within an extent from a maximum value to a minimum value of the refractive index over the plurality of the ranges; and a controller giving the setting value to the resonator.
摘要翻译： 激光装置包括具有增益区域的谐振器，具有波长特性的周期性峰值的第一波长选择部分和在波长特性中具有小于振荡波长的可变范围的波长特性的周期性峰值的第二波长选择部分 与第一波长选择部分不同的周期，以单向改变第二波长选择部分的折射率单向改变选择的振荡波长; 存储部分，其存储第二波长选择部分的折射率的设定值，用于根据在多个所述第一波长选择部分的折射率的最大值至最小值之间的程度获得的振荡波长来选择振荡波长 范围; 以及向谐振器提供设定值的控制器。
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公开(公告)号：US07812594B2
公开(公告)日：2010-10-12
申请号：US12174948
申请日：2008-07-17
IPC分类号： G01R23/02
CPC分类号： G02F1/0147 , G02F1/0121 , G02F1/3136 , G02F2201/307 , G02F2201/346 , H01S5/024 , H01S5/02415 , H01S5/0261 , H01S5/0612 , H01S5/0617 , H01S5/0687 , H01S5/1209 , H01S5/125
摘要： An optical device includes an optical element, a detector and a controller. The optical element has an optical waveguide. Refractive index of the optical waveguide is controlled by a heater. A temperature of the optical element is controlled by a temperature control device. The detector detects a current flowing in the heater and/or a voltage applied to the heater. The controller controls an electrical power provided to the heater so as to be kept constant according to the detection result of the detector.
摘要翻译： 光学装置包括光学元件，检测器和控制器。 光学元件具有光波导。 光波导的折射率由加热器控制。 光学元件的温度由温度控制装置控制。 检测器检测在加热器中流动的电流和/或施加到加热器的电压。 控制器控制提供给加热器的电力，以便根据检测器的检测结果保持恒定。
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公开(公告)号：US07813391B2
公开(公告)日：2010-10-12
申请号：US12175872
申请日：2008-07-18
IPC分类号： H01S3/04
CPC分类号： H01S5/0612 , H01S5/06256 , H01S5/06258 , H01S5/1209 , H01S5/1212 , H01S5/125
摘要： A method of controlling a semiconductor laser that has a plurality of wavelength selection portions having a different wavelength property from each other and is mounted on a temperature control device, including: a first step of correcting a temperature of the temperature control device according to a detected output wavelength of the semiconductor laser; and a second step of controlling at least one of the wavelength selection portions so that changing amount differentials between each wavelength property of the plurality of the wavelength selection portions is reduced, the changing amount differential being caused by correcting the temperature of the temperature control device.
摘要翻译： 一种控制具有彼此具有不同波长特性的多个波长选择部分并安装在温度控制装置上的半导体激光器的方法，包括：第一步骤，根据检测到的温度控制装置的温度进行校正 半导体激光器的输出波长; 以及第二步骤，控制波长选择部分中的至少一个，使得多个波长选择部分的每个波长特性之间的变化量差异减小，所述变化量差异是通过校正温度控制装置的温度而引起的。
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10.发明授权公开(公告)号：US06487027B2
公开(公告)日：2002-11-26
申请号：US09837186
申请日：2001-04-19
IPC分类号： G02B702
CPC分类号： H01S5/02415 , H01L2224/45144 , H01L2224/48091 , H01L2224/48464 , H01L2224/49111 , H01S5/0014 , H01S5/02276 , H01S5/02469 , H01S5/0687 , H01L2924/00014 , H01L2924/00
摘要： An optical semiconductor device includes a package body, a laser diode accommodated in the package body, a temperature regulation block connected thermally to the laser diode, an optical filter connected thermally to the temperature regulation block, a photodetector receiving the laser beam from the laser diode via the optical filter, a feeder feeding a driving power to the laser diode, and a thermal conducting body provided separately to the feeder, wherein the thermal conducting body transmits the temperature of the package body to the laser diode.
摘要翻译： 光学半导体器件包括封装体，容纳在封装主体中的激光二极管，与激光二极管热连接的温度调节块，与温度调节块热连接的滤光器，接收来自激光二极管的激光束的光电检测器 通过光学滤波器，向激光二极管馈送驱动电力的馈电器和分别设置在馈电器上的导热体，其中导热体将封装体的温度传递到激光二极管。
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