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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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13.发明授权Tunable laser module, tunable laser apparatus and controlling method for tunable laser 有权可调谐激光模块，可调谐激光装置及可调激光器的控制方法公开(公告)号：US07940819B2
公开(公告)日：2011-05-10
申请号：US12535283
申请日：2009-08-04
CPC分类号： H01S5/141 , H01S5/0612 , H01S5/0617 , H01S5/06256 , H01S5/06258 , H01S5/0687 , H01S5/1032
摘要： A tunable laser module includes a tunable laser section including a gain medium and a wavelength filter having a periodic characteristic which brings about a discontinuous variation of an oscillation wavelength, and a monitoring section adapted to output a monitoring signal which periodically varies in response to the oscillation wavelength of the tunable laser section. The monitoring section includes a monitoring wavelength filter having a periodic characteristic which defines the monitoring signal. The relationship between the period of the wavelength filter and the period of the monitoring wavelength filter is set such that the monitoring signal varies when the oscillation wavelength varies discontinuously.
摘要翻译： 可调谐激光器模块包括可调激光器部分，其包括增益介质和具有导致振荡波长的不连续变化的周期性特性的波长滤波器;以及监视部分，其适于输出响应于振荡周期性变化的监视信号 可调激光器部分的波长。 监视部分包括具有限定监视信号的周期特性的监视波长滤波器。 设置波长滤波器的周期与监视波长滤波器的周期之间的关系，使得当振荡波长不连续地变化时，监视信号变化。
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14.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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17.发明申请TUNABLE LASER MODULE, TUNABLE LASER APPARATUS AND CONTROLLING METHOD FOR TUNABLE LASER 有权可激光激光模块，可激光激光装置和可控激光控制方法公开(公告)号：US20100034224A1
公开(公告)日：2010-02-11
申请号：US12535283
申请日：2009-08-04
CPC分类号： H01S5/141 , H01S5/0612 , H01S5/0617 , H01S5/06256 , H01S5/06258 , H01S5/0687 , H01S5/1032
摘要： A tunable laser module includes a tunable laser section including a gain medium and a wavelength filter having a periodic characteristic which brings about a discontinuous variation of an oscillation wavelength, and a monitoring section adapted to output a monitoring signal which periodically varies in response to the oscillation wavelength of the tunable laser section. The monitoring section includes a monitoring wavelength filter having a periodic characteristic which defines the monitoring signal. The relationship between the period of the wavelength filter and the period of the monitoring wavelength filter is set such that the monitoring signal varies when the oscillation wavelength varies discontinuously.
摘要翻译： 可调谐激光器模块包括可调激光器部分，其包括增益介质和具有导致振荡波长的不连续变化的周期性特性的波长滤波器;以及监视部分，其适于输出响应于振荡周期性变化的监视信号 可调激光器部分的波长。 监视部分包括具有限定监视信号的周期特性的监视波长滤波器。 设置波长滤波器的周期与监视波长滤波器的周期之间的关系，使得当振荡波长不连续地变化时，监视信号变化。
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公开(公告)号：US07362782B2
公开(公告)日：2008-04-22
申请号：US11727953
申请日：2007-03-29
申请人： Tsutomu Ishikawa , Takuya Fujii
发明人： Tsutomu Ishikawa , Takuya Fujii
CPC分类号： H01S5/02276 , G02F1/0147 , H01L2224/48091 , H01S5/024 , H01S5/0261 , H01S5/028 , H01S5/0425 , H01S5/0612 , H01S5/06256 , H01S5/06804 , H01S5/1209 , H01S5/125 , H01L2924/00014
摘要： An optical semiconductor device includes a wavelength-tunable semiconductor laser chip, a mount carrier, a first temperature sensor and a wire. The wavelength-tunable semiconductor laser chip has a first optical waveguide and a second optical waveguide. The second optical waveguide has a heater on a surface thereof and is optically coupled to the first optical waveguide. The mount carrier is for mounting the wavelength-tunable semiconductor laser chip, and has a first area arranged at a surface of the mount carrier of the first optical waveguide side when the wavelength-tunable semiconductor laser chip is mounted. The first temperature sensor is mounted on the first area. The wire couples between the heater and a second area arranged at a surface of the mount carrier of the second optical waveguide side when the wavelength-tunable semiconductor laser chip is mounted.
摘要翻译： 光学半导体器件包括波长可调谐半导体激光器芯片，安装载体，第一温度传感器和导线。 波长可调半导体激光器芯片具有第一光波导和第二光波导。 第二光波导在其表面上具有加热器，并且光耦合到第一光波导。 安装载体用于安装波长可调半导体激光器芯片，并且当安装波长可调谐半导体激光器芯片时，具有布置在第一光波导侧的安装载体的表面处的第一区域。 第一温度传感器安装在第一区域上。 当安装波长可调谐半导体激光器芯片时，线耦合在加热器和布置在第二光波导侧的安装载体的表面处的第二区域之间。
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公开(公告)号：US20070228551A1
公开(公告)日：2007-10-04
申请号：US11730260
申请日：2007-03-30
申请人： Tsutomu Ishikawa , Takuya Fujii
发明人： Tsutomu Ishikawa , Takuya Fujii
IPC分类号： H01L33/00 , H01L23/053 , H01L23/14 , H01L31/12 , H01L23/12
CPC分类号： H01S5/06256 , H01L2224/48091 , H01L2224/49175 , H01S5/02276 , H01S5/0265 , H01S5/028 , H01S5/0612 , H01S5/06258 , H01S5/1209 , H01L2924/00014
摘要： An optical semiconductor device includes an optical semiconductor element, a metal pattern and at least one thermal conductive material. The optical semiconductor element has a first optical waveguide region and a second optical waveguide region. The second optical waveguide region is optically coupled to the first optical waveguide region and has a heater for changing a refractive index of the second optical waveguide region. The metal pattern is provided on an area to be thermally coupled to a temperature control device. The thermal conductive material couples the metal pattern with an upper face of the first optical waveguide region of the optical semiconductor element. The thermal conductive material is electrically separated from the first optical waveguide region.
摘要翻译： 光学半导体器件包括光学半导体元件，金属图案和至少一种导热材料。 光半导体元件具有第一光波导区域和第二光波导区域。 第二光波导区域光耦合到第一光波导区域并且具有用于改变第二光波导区域的折射率的加热器。 金属图案设置在要耦合到温度控制装置的区域上。 导热材料将金属图案与光半导体元件的第一光波导区域的上表面相连。 导热材料与第一光波导区域电分离。
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公开(公告)号：US06925103B2
公开(公告)日：2005-08-02
申请号：US10282230
申请日：2002-10-29
CPC分类号： B82Y20/00 , H01S5/106 , H01S5/1228 , H01S5/223 , H01S5/3425
摘要： A gain-coupled DFB laser diode includes a multiple quantum well active layer and a pair of cladding layers sandwiching the multiple quantum well active layer vertically, wherein the multiple quantum well active layer includes a plurality of gain regions aligned in a direction of propagation of a laser beam and repeated periodically, each of the gain regions having a multiple quantum well structure, and a buried layer fills a gap between a pair of adjacent gain regions, wherein the buried layer includes a plurality of high-refractive index layers and a plurality of low-refractive index layers, each of the high-refractive index layers is formed of a first semiconductor material having a first bandgap, while each of the low-refractive index layers is formed of a second semiconductor material having a second, larger bandgap.
摘要翻译： 增益耦合DFB激光二极管包括多量子阱有源层和垂直夹着多量子阱活性层的一对包覆层，其中多量子阱活性层包括沿着传播方向对齐的多个增益区域 激光束并且周期性重复，每个增益区域具有多量子阱结构，并且掩埋层填充一对相邻增益区域之间的间隙，其中所述掩埋层包括多个高折射率层和多个 低折射率层，每个高折射率层由具有第一带隙的第一半导体材料形成，而每个低折射率层由具有第二较大带隙的第二半导体材料形成。
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