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1. 发明授权

US5870417A Thermal compensators for waveguide DBR laser sources 失效
标题翻译：用于波导DBR激光源的热补偿器
公开(公告)号：US5870417A
公开(公告)日：1999-02-09
申请号：US822467
申请日：1997-03-21
申请人： Jean-Marc Verdiell , Robert J. Lang , Thomas L. Koch , Mehrdad Ziari
发明人： Jean-Marc Verdiell , Robert J. Lang , Thomas L. Koch , Mehrdad Ziari
IPC分类号： G02B6/12 , G02B6/42 , H01S5/026 , H01S5/10 , H01S5/12 , H01S5/14 , H01S5/40 , H01S3/10
CPC分类号： H01S5/146 , G02B6/12007 , G02B6/42 , H01S5/02252 , H01S5/026 , H01S5/0261 , H01S5/1014 , H01S5/106 , H01S5/1064 , H01S5/1212 , H01S5/1225 , H01S5/4025 , H01S5/4087
摘要： A waveguide DBR laser or waveguide DBR laser array may be comprised of a semiconductor gain element, or a series of semiconductor gain elements, in combination with a waveguide grating functioning as a resonant cavity end reflector for lasing operation comprising either an optical fiber having a fiber grating (fiber DBR laser) or a planar waveguide (planar waveguide DBR laser). The gain element may be comprised of a laser diode which has high efficient AR coating on its front facet so that it functions as a modulated gain element in a resonant cavity established between its rear HR facet and the grating formed in the external waveguide. Disclosed are ways to form this resonant cavity so that gain element modulation rates can be carried out in excess of 2 Gb/sec with suppression of longitudinal mode hops and/or with trimming to compensate for wavelength changes, rendering the waveguide DBR laser or waveguide DBR laser array highly suitable for WDM transmitter, dense WDM transmission systems and other communications applications.
摘要翻译：波导DBR激光器或波导DBR激光器阵列可以由半导体增益元件或一系列半导体增益元件组成，其与用作激光器操作的谐振腔端反射器的波导光栅组合，包括具有光纤的光纤光纤（光纤DBR激光）或平面波导（平面波导DBR激光）。增益元件可以由其前面具有高效AR涂层的激光二极管组成，使得其作为在其后HR面与形成在外部波导中的光栅之间建立的谐振腔中的调制增益元件起作用。公开了形成这种谐振腔的方法，使得增益元件调制速率可以超过2Gb / s，抑制纵模跳跃和/或用修整来补偿波长变化，使得波导DBR激光器或波导DBR 激光阵列非常适合WDM发射机，密集WDM传输系统等通信应用。

2. 发明授权

US06758610B2 Optical component attachment to optoelectronic packages 有权
标题翻译：光学元件连接到光电封装
公开(公告)号：US06758610B2
公开(公告)日：2004-07-06
申请号：US10016473
申请日：2001-12-10
申请人： Mehrdad Ziari , Robert J. Lang , Tanya K. Oleskevich , Vivek Agrawal , Ashok P. Kanjamala , Donald C. Hargreaves , Harrison L. Ransom , David Dawson , Radhakrishnan L. Nagarajan
发明人： Mehrdad Ziari , Robert J. Lang , Tanya K. Oleskevich , Vivek Agrawal , Ashok P. Kanjamala , Donald C. Hargreaves , Harrison L. Ransom , David Dawson , Radhakrishnan L. Nagarajan
IPC分类号： G02B642
CPC分类号： G02B6/4225 , G02B6/4201 , G02B6/4238 , G02B6/4257 , G02B6/4267 , G02B6/4268 , H01S5/02248 , H01S5/02284 , H01S5/02446
摘要： An optical connection module attaches an active or passive optical component to a substrate and aligns the optical component with a first laser. The optical connection module includes a fiber submount that is attached to the substrate and that includes a thermally insulating material having a thickness greater than 20 micrometers. The optical component is soldered to the fiber submount using heat from a second laser. A laser submount is attached to the substrate. The first laser is attached to the laser submount. A fiber bonding pad is located between the thermally insulating material and the optical component. The thermally insulating material and the fiber bonding pad promote lateral heat transfer and limit vertical heat transfer to the substrate during soldering. The thermally insulating material can be integrally formed in the substrate by flame hydrolysis or by anodic bonding.
摘要翻译：光学连接模块将有源或无源光学部件附接到基板并将光学部件与第一激光器对准。光学连接模块包括光纤基座，其附接到基板并且包括厚度大于20微米的绝热材料。使用来自第二激光器的热量将光学部件焊接到光纤基座。激光基座安装在基板上。第一个激光器连接到激光器底座。光纤接合焊盘位于绝热材料和光学部件之间。绝热材料和纤维粘合垫促进横向热传递，并限制在焊接期间垂直的热传递到基底。绝热材料可以通过火焰水解或通过阳极接合一体地形成在基板中。

3. 发明授权

US06404542B1 Multiple emitter semiconductor laser pump source for scaling of pump power and generation of unpolarized light for light signal amplification 有权
标题翻译：用于缩放泵浦功率的多发射器半导体激光泵源和用于光信号放大的非偏振光的产生
公开(公告)号：US06404542B1
公开(公告)日：2002-06-11
申请号：US09613519
申请日：2000-07-10
申请人： Mehrdad Ziari , David F. Welch , Vincent G. Dominic , Bardia Pezeshki , Robert J. Lang
发明人： Mehrdad Ziari , David F. Welch , Vincent G. Dominic , Bardia Pezeshki , Robert J. Lang
IPC分类号： H01S300
CPC分类号： H01S3/094003 , H01S3/09415 , H01S3/302 , H01S5/02284 , H01S5/0652 , H01S5/0656 , H01S5/4012 , H01S5/4031
摘要： A pump source for rare earth and Raman amplifiers or for distributed amplification uses two or more light sources to generate two source beams that are combined by a beam combiner to form the output pump beam. In accordance with one embodiment, the light sources are a diode laser array having be two or more monolithic laser stripes providing dual output beams having substantially the same polarization, such as the TE mode. One of the polarized due outputs is rotated 90° and both beams are applied to a birefringent crystal that combines the beams for insertion into an optical fiber or into a rare earth doped fiber or into a fiber capable of Raman amplification via SRS. The power output of each polarization in the combined beam can be measured and used to drive a feedback circuit that controls the current provided to each diode in order to maintain the power in the two polarization components of the output beam equal.
摘要翻译：用于稀土和拉曼放大器或用于分布式放大的泵浦源使用两个或更多个光源来产生由光束组合器组合以形成输出泵浦光束的两个源光束。根据一个实施例，光源是具有两个或更多个单片激光条的二极管激光器阵列，提供具有基本上相同极化的双输出光束，例如TE模式。偏振的正向输出之一旋转90°，并且将两个光束施加到双折射晶体，该双折射晶体将用于插入光纤的光束或掺入稀土掺杂的光纤中的光束或通过SRS拉曼放大的光纤组合。可以测量组合光束中每个极化的功率输出，并用于驱动控制提供给每个二极管的电流的反馈电路，以便保持输出光束的两个偏振分量中的功率相等。

4. 发明授权

US06525872B1 Fiber grating-stabilized, semiconductor pump source 有权
标题翻译：光纤光栅稳定，半导体泵浦源
公开(公告)号：US06525872B1
公开(公告)日：2003-02-25
申请号：US09375687
申请日：1999-08-17
申请人： Mehrdad Ziari , Stephen O'Brien , Mats Hagberg , Robert J. Lang , Edward Vail
发明人： Mehrdad Ziari , Stephen O'Brien , Mats Hagberg , Robert J. Lang , Edward Vail
IPC分类号： H01S300
CPC分类号： H01S5/1064 , H01S3/06754 , H01S3/0941 , H01S3/302 , H01S5/065 , H01S5/0656 , H01S5/146 , H01S5/4087
摘要： High power semiconductor lasers for pumping fiber devices, such as fiber amplifiers and fiber lasers, include an optical gain region disposed between a rear end and the output end, the width of the optical gain region being greater at the output end than at the rear end. The optical gain region may include a single mode channel region coupled to a flared amplifier region. The light output from the laser is coupled via a lens system into a fiber for propagating to the fiber device to be pumped. Light is fedback into the laser, for example from a fiber Bragg grating, to induce the laser to operate in coherence collapse. The broad bandwidth output associated with coherence collapse permits the laser to deliver high optical powers into the fiber without the onset of stimulated Billion scattering. Fiber grating feedback improves the quality of the beam output by the laser, thus enhancing coupling efficiency into the fiber. The pump laser may be used to pump multiple fiber devices. Multiple pump lasers may be combined together.
摘要翻译：用于泵浦光纤器件（例如光纤放大器和光纤激光器）的大功率半导体激光器包括设置在后端和输出端之间的光学增益区域，光学增益区域的宽度在输出端比在后端更大。光增益区域可以包括耦合到扩口放大器区域的单模信道区域。来自激光器的光输出通过透镜系统耦合到光纤中，以传播到待泵浦的光纤装置。光反射到激光器中，例如从光纤布拉格光栅反射，以诱导激光器在相干性崩溃中操作。与相干塌陷相关的宽带宽输出允许激光器将高光功率传递到光纤中，而不会发生刺激的亿亿分散。光纤光栅反馈提高了激光束的光束输出质量，从而提高光纤耦合效率。泵浦激光器可用于泵送多个光纤装置。多个泵浦激光器可以组合在一起。

5. 发明授权

US06603595B2 Raman-based utility optical amplifier 失效
公开(公告)号：US06603595B2
公开(公告)日：2003-08-05
申请号：US10185458
申请日：2002-06-26
申请人： David F. Welch , Robert J. Lang , Edward C. Vail , Mehrdad Ziari
发明人： David F. Welch , Robert J. Lang , Edward C. Vail , Mehrdad Ziari
IPC分类号： H01S300
CPC分类号： H01S5/146 , H01S3/005 , H01S3/0078 , H01S3/094003 , H01S3/094073 , H01S3/09415 , H01S3/302 , H01S5/1096 , H01S5/4025 , H01S2301/04
摘要： An optical amplifier with a flattened wideband response is obtained by coupling counter-propagating pumping energy into an optical waveguide to cause Raman amplification in the optical waveguide, and by reflecting an amplified signal received from the optical waveguide into an output waveguide using a reflector having a spectral characteristic that is complementary to the spectral gain characteristic of the Raman amplification.

6. 发明授权

US06433920B1 Raman-based utility optical amplifier 失效
标题翻译：基于拉曼的实用光学放大器
公开(公告)号：US06433920B1
公开(公告)日：2002-08-13
申请号：US09664986
申请日：2000-09-18
申请人： David F. Welch , Robert J. Lang , Edward C. Vail , Mehrdad Ziari
发明人： David F. Welch , Robert J. Lang , Edward C. Vail , Mehrdad Ziari
IPC分类号： H01S300
CPC分类号： H01S5/146 , H01S3/005 , H01S3/0078 , H01S3/094003 , H01S3/094073 , H01S3/09415 , H01S3/302 , H01S5/1096 , H01S5/4025 , H01S2301/04
摘要： An optical amplifier with a flattened wideband response is obtained by coupling counter-propagating pumping energy into an optical waveguide to cause Raman amplification in the optical waveguide, and by reflecting an amplified signal received from the optical waveguide into an output waveguide using a reflector having a spectral characteristic that is complementary to the spectral gain characteristic of the Raman amplification.
摘要翻译：通过将反向传播的泵浦能量耦合到光波导中以在光波导中引起拉曼放大，并且将从光波导接收的放大信号反射到输出波导中，可以获得具有扁平宽带响应的光放大器，该反射器具有光谱特性与拉曼放大的光谱增益特性互补。

7. 发明授权

US06215809B1 Stabilization of laser sources with closely-coupled optical reflectors using an internal dither circuit 有权
标题翻译：使用内部抖动电路使紧密耦合的光反射器稳定激光源
公开(公告)号：US06215809B1
公开(公告)日：2001-04-10
申请号：US09197062
申请日：1998-11-20
申请人： Mehrdad Ziari , Robert G. Waarts , Robert J. Lang , John DeAndrea , Michael L. Bortz , Brian F. Ventrudo
发明人： Mehrdad Ziari , Robert G. Waarts , Robert J. Lang , John DeAndrea , Michael L. Bortz , Brian F. Ventrudo
IPC分类号： H01S308
CPC分类号： H01S3/094003 , H01S5/0652 , H01S5/146
摘要： Apparatus for providing a laser source optically coupled to an optical waveguide, such as an optical fiber, having a reflective grating positioned from the output facet of the laser source a distance equal to or greater than the coherence length of the laser source providing a portion of reflective feedback into the laser source optical cavity to maintain wavelength operation of the laser source in spite of changes in the laser operating temperature or drive current based upon coherence collapse in the laser operation. In cases where the fiber grating is positioned in the fiber within the coherence length of the laser source, intermittent coherence collapse, as opposed to continuous coherence collapse, is unavoidable. In cases where such a laser source is a pumping source for a solid state gain medium, such as an optical amplifier or laser having an active gain element, e.g., an Er doped amplifier, undesirable perturbations in the laser source output are present which have a deleterious effect on the operation of the solid state gain medium. The effect of these undesirable perturbations are substantially removed by a small, continuous variation or dither in the driving current of the laser source having a rate of variation that exceeds the active gain element excited state lifetime thereby controlling the switching of the laser source operation between states of coherency and coherence collapse. As a result, the effects of laser source perturbations are avoided so as not to have an effect on the operation of the coupled solid state gain medium so that its gain stability is improved. Various embodiments of dither circuits are disclosed. In addition, polarization-maintaining behavior is induced in optical waveguides to further improve laser source stability.
摘要翻译：用于提供光学耦合到诸如光纤的光波导的激光源的设备，其具有从激光源的输出小面定位的反射光栅，距离等于或大于激光源的相干长度，该距离提供一部分反射反射到激光源光学腔中以保持激光源的波长操作，尽管激光器工作温度或驱动电流基于激光器操作中的相干性崩溃而发生变化。在光纤光栅位于激光源的相干长度内的纤维光纤的情况下，与连续相干塌陷相反，间歇性相干塌陷是不可避免的。在这种激光源是用于固态增益介质的泵浦源的情况下，例如具有有源增益元件（例如，Er掺杂放大器）的光放大器或激光器，存在激光源输出中的不期望的扰动，其具有对固态增益介质的操作有害的影响。这些不期望的扰动的效果通过在激光源的驱动电流中的小的连续变化或抖动基本上消除，其具有超过有源增益元件激发态寿命的变化率，从而控制状态之间的激光源操作的切换的一致性和一致性崩溃。结果，避免了激光源扰动的影响，从而不会对耦合的固态增益介质的操作产生影响，从而提高了其增益稳定性。公开了抖动电路的各种实施例。此外，在光波导中引起偏振保持行为以进一步提高激光源的稳定性。

8. 发明申请

US20140166650A1 COLLAPSIBLE CONTAINERS AND REFILL UNITS 有权
标题翻译：可拆卸集装箱和修缮单元
公开(公告)号：US20140166650A1
公开(公告)日：2014-06-19
申请号：US13804077
申请日：2013-03-14
申请人： Joseph S. Kanfer , Michael J. Gmerek, III , Masato Tabata , Robert J. Lang , Eugene W. Ray
发明人： Joseph S. Kanfer , Michael J. Gmerek, III , Masato Tabata , Robert J. Lang , Eugene W. Ray
IPC分类号： B65D1/02 , B65D21/06
CPC分类号： B65D1/0292 , A47K5/12 , B05B11/00414 , B05B11/0059 , B05B11/30 , B65D2501/0018 , B65D2501/0036 , B65D2501/0081
摘要： Exemplary embodiments of collapsible containers are disclosed herein. Some exemplary embodiments include a container having a plurality of sides. The plurality of sides forms a substantially geometric shape, such as a rectangular shape. A plurality of predetermined fold lines extend substantially across each of the sides and the predetermined fold lines form a plurality of geometric shapes. A plurality of predetermined fold lines for inner folds on a first side are aligned with a plurality of predetermined fold lines for outer folds on a second side.
摘要翻译：本文公开了可折叠容器的示例性实施例。一些示例性实施例包括具有多个侧面的容器。多个侧面形成大致几何形状，例如矩形。多个预定的折叠线基本上跨越每个侧面延伸，并且预定的折叠线形成多个几何形状。用于第一侧的内部折叠的多个预定折叠线与用于第二侧上的外部褶皱的多个预定折叠线对准。

9. 发明授权

US06477295B1 Pump coupling of double clad fibers 有权
标题翻译：双包层纤维的泵耦合
公开(公告)号：US06477295B1
公开(公告)日：2002-11-05
申请号：US09488166
申请日：2000-01-20
申请人： Robert J. Lang , Robert G. Waarts , Ian J. Booth , David M. Giltner , Steven Sanders
发明人： Robert J. Lang , Robert G. Waarts , Ian J. Booth , David M. Giltner , Steven Sanders
IPC分类号： G02B626
CPC分类号： G02B6/2848 , G02B6/02042 , G02B6/03633 , G02B6/2817 , G02B6/2852 , H01S3/094003 , H01S3/094007 , H01S3/094019
摘要： Apparatus for coupling light into a fiber, such as a double clad fiber (DCF) having a core having a refractive index n1, surrounded by an inner cladding having refractive index n2 which is surrounded by an outer cladding having a refractive index n3, where n1>n2>n3. An optical coupler medium, referred to as a Fiber Space Division Multiplexor or FSDM, is formed on an exposed portion of the fiber inner cladding at a position along the length of the fiber without interfering with the continuity of its core and provides at, at least one position, the imaging of light external of the fiber into the inner cladding interface and its waveguiding with the inner cladding of the fiber. The FSDM coupler comprises an optical material in optical contact or integrated with the inner cladding and having a refractive index substantially equal to n2. The coupler medium may also be employed with a fiber having no core and where the inner cladding would function as a multimode core. Also, disclosed are formed reflectors for reflecting back residual, unabsorbed pump light backward into the DCF inner cladding for absorption within the core doped with a rare earth active material. Other embodiments provided for the removal of pump light from the DCF inner cladding.
摘要翻译：用于将光耦合到光纤中的装置，例如具有折射率为n1的芯的双包层光纤（DCF），由具有折射率n3的外包层围绕的具有折射率n2的内包层围绕，其中n1 > n2> n3。称为光纤空间分割多路复用器或FSDM的光耦合器介质在纤维内包层的沿着光纤长度的位置的暴露部分上形成，而不干扰其芯的连续性，并至少提供一个位置，将光纤的外部成像到内包层界面中，并且其与纤维的内包层的波导成像。 FSDM耦合器包括光学接触的光学材料或与内部包层整体并具有基本上等于n2的折射率。耦合介质也可以与不具有芯的纤维一起使用，并且内包层将用作多模芯。此外，公开了反射器，用于将残留的未吸收的泵浦光反射回到DCF内包层中，用于在掺杂有稀土活性材料的芯内吸收。提供用于从DCF内包层去除泵浦光的其它实施例。

10. 发明授权

US5651018A Wavelength-stabilized, high power semiconductor laser 失效
标题翻译：波长稳定的大功率半导体激光器
公开(公告)号：US5651018A
公开(公告)日：1997-07-22
申请号：US654066
申请日：1996-05-28
申请人： David G. Mehuys , David F. Welch , Robert J. Lang , Donald R. Scifres
发明人： David G. Mehuys , David F. Welch , Robert J. Lang , Donald R. Scifres
IPC分类号： H01S3/081 , H01S3/23 , H01S5/026 , H01S5/0625 , H01S5/10 , H01S5/12 , H01S5/125 , H01S5/14 , H01S5/18 , H01S5/187 , H01S5/20 , H01S5/40 , H01S5/50 , H01S3/19 , H01S3/08 , H01S3/13
CPC分类号： H01S5/1014 , G02B6/12004 , G02B6/305 , H01S5/026 , H01S5/10 , H01S5/141 , H01S5/20 , H01S3/0818 , H01S3/113 , H01S5/0286 , H01S5/0625 , H01S5/06256 , H01S5/0655 , H01S5/1003 , H01S5/1064 , H01S5/1082 , H01S5/1085 , H01S5/1215 , H01S5/125 , H01S5/14 , H01S5/146 , H01S5/18 , H01S5/187 , H01S5/2036 , H01S5/2063 , H01S5/4025 , H01S5/4062 , H01S5/4087 , H01S5/50
摘要： A wavelength-stabilized, semiconductor laser having a light amplifying diode heterostructure with a flared gain region in an external resonant cavity. The flared gain region has a narrow aperture end which may be coupled to a single mode waveguide and a wide output end. A light emitting surface of the heterostructure proximate to the Wide end of the flared gain region is partially reflective and combines with an external reflector to form a resonant cavity that is effectively unstable. The intracavity light-emitting surface proximate to the narrow aperture end is antireflection coated. The external reflector may be a planar mirror or a grating reflector. A lens or an optical fiber may couple the aperture end of the flared gain region to the external reflector. Frequency-selective feedback is provided by orienting the grating reflector or providing a prism in the cavity in front of the external planar mirror. Other filtering elements may also be placed in the external cavity. The flared gain region and waveguide may be differentially pumped or modulated with current provided by separate contacts.
摘要翻译：一种波长稳定的半导体激光器，其具有在外部谐振腔中具有扩张增益区域的光放大二极管异质结构。扩口增益区域具有窄孔径端，其可以耦合到单模波导和宽输出端。接近扩张增益区域的宽端的异质结构的发光表面是部分反射的，并且与外部反射器组合以形成有效地不稳定的谐振腔。靠近窄孔径的腔内发光表面是抗反射涂层的。外部反射器可以是平面镜或光栅反射器。透镜或光纤可将扩张增益区域的孔径端耦合到外部反射器。通过定向光栅反射器或在外部平面镜的前面的空腔中提供棱镜来提供频率选择反馈。其它过滤元件也可以放置在外部空腔中。扩张增益区域和波导可以通过由单独的触点提供的电流进行差分泵浦或调制。

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