专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US07932512B1 Implantation before epitaxial growth for photonic integrated circuits 有权
标题翻译：光子集成电路外延生长之前的植入
公开(公告)号：US07932512B1
公开(公告)日：2011-04-26
申请号：US11528797
申请日：2006-09-27
申请人： Yakov I. Royter , Rajesh D. Rajavel , Stanislav I. Ionov , Irina Ionova, legal representative , Sophi Ionova, legal representative
发明人： Yakov I. Royter , Rajesh D. Rajavel , Stanislav I. Ionov
IPC分类号： H01L29/06 , H01L31/00
CPC分类号： G02B6/13 , B82Y20/00 , G02F1/01708 , G02F2201/063 , G02F2202/06 , G02F2202/102 , H01L21/2654 , H01S5/026
摘要： Fabrication of a photonic integrated circuit (PIC) including active elements such as a semiconductor optical amplifier (SOA) and passive elements such as a floating rib waveguide. Selective area doping through ion implantation or thermal diffusion before semiconductor epitaxial growth is used in order to define the contact and lateral current transport layers for each active device, while leaving areas corresponding to the passive devices undoped. InP wafers are used as the substrate which may be selectively doped with silicon.
摘要翻译：包括诸如半导体光放大器（SOA）和无源元件（诸如浮动肋波导）的有源元件的光子集成电路（PIC）的制造。使用在半导体外延生长之前通过离子注入或热扩散的选择性区域掺杂以便限定每个有源器件的接触和横向电流传输层，同时留下对应于被动器件未被掺杂的区域。 InP晶片用作可选择性掺杂硅的衬底。

2. 发明授权

US07127138B2 Apparatus and method for directing a light beam to a target 有权
标题翻译：将光束引导到目标的装置和方法
公开(公告)号：US07127138B2
公开(公告)日：2006-10-24
申请号：US10719543
申请日：2003-11-20
申请人： Oleg M. Efimov , Stanislav I. Ionov
发明人： Oleg M. Efimov , Stanislav I. Ionov
IPC分类号： G02B6/32 , G01B9/02 , F41G7/00 , G03H1/10
CPC分类号： G02B6/02133 , G02B6/124 , G03H2001/0413 , G03H2001/0482 , G03H2222/36
摘要： An apparatus for directing light beams onto a target comprising a beam splitter for splitting a main beam into a first split beam and a second split beam; a first beam path for the first split beam, the first beam path including a first aperture, a first lens and a second lens; a second beam path for the second split beam, the second beam path including a second aperture, a third lens and a fourth lens; a plurality of mirrors arranged such that the first split beam and the second split beam intersect at the target. An apparatus can also include means for placing a target in the image plane of a first aperture and a second aperture.
摘要翻译：一种用于将光束引导到目标上的装置，包括用于将主光束分成第一分束和第二分束的分束器; 用于所述第一分束的第一光束路径，所述第一光束路径包括第一光圈，第一透镜和第二透镜; 用于所述第二分束的第二光束路径，所述第二光束路径包括第二光圈，第三透镜和第四透镜; 多个反射镜布置成使得第一分束和第二分束在目标处相交。装置还可以包括用于将目标放置在第一孔和第二孔的图像平面中的装置。

3. 发明授权

US07103280B1 Architecture for an optical satellite communication network 有权
标题翻译：光学卫星通信网络的架构
公开(公告)号：US07103280B1
公开(公告)日：2006-09-05
申请号：US09327351
申请日：1999-06-05
申请人： Stanislav I. Ionov , George C. Valley , Anthony S. Acampora
发明人： Stanislav I. Ionov , George C. Valley , Anthony S. Acampora
IPC分类号： H04B10/00
CPC分类号： H04B10/118
摘要： A satellite constellation has a plurality of satellites. Each of the satellites has an RF ground link for communicating with a ground station and an optical link for communication with at least one of the plurality of satellites. Each of the satellites has a reconfigurable optical transmitter for sending and receiving data streams. Each reconfigurable optical transmitter has a first optical carrier associated therewith and a reconfigurable optical receiver. The plurality of satellites is arranged to have a first subset of satellites. The first subset of satellites is configured to communicate. The plurality of satellites is reconfigured to have a second subset of satellites having at least one different satellites than that of said first subset. The second subset supercedes the first subset. The second subset of satellites is configured to communicate. Various subset around the globe may form local area networks. The local area networks are preferably optically coupled to form a wide area network.
摘要翻译：卫星星座具有多个卫星。每个卫星具有用于与地面站通信的RF接地链路和用于与多个卫星中的至少一个通信的光链路。每个卫星具有用于发送和接收数据流的可重新配置的光发射机。每个可重构光学发射机具有与其相关联的第一光学载体和可重新配置的光学接收器。多个卫星被布置成具有卫星的第一子集。卫星的第一个子集被配置为进行通信。多个卫星被重新配置为具有卫星的第二子集，其具有比所述第一子集的卫星至少一个不同的卫星。第二个子集取代了第一个子集。卫星的第二个子集被配置为进行通信。全球各个子集可能形成局域网。局域网优选地被光耦合以形成广域网。

4. 发明授权

US06441947B1 Method and apparatus for optical beam steering based on a chirped distributed bragg reflector 有权
标题翻译：基于啁啾分布布拉格反射器的光束转向方法和装置
公开(公告)号：US06441947B1
公开(公告)日：2002-08-27
申请号：US09545633
申请日：2000-04-07
申请人： Stanislav I. Ionov
发明人： Stanislav I. Ionov
IPC分类号： G02B2608
CPC分类号： G02F1/292 , G02F1/03 , G02F2001/0151 , G02F2001/291 , G02F2201/307 , G02F2201/346 , G02F2202/20
摘要： An optical beam steerer includes one or more layers of electro-optically active material in which is formed a chirped distributed Bragg reflector. An electric field generated across the electro-optically active material in the direction of propagation of the chirped distributed Bragg reflector causes the index of refraction within the material to change. The electric field varies in a direction normal to the direction of propagation of the chirped distributed Bragg reflector which causes a variation in the local index of refraction proportional to the strength of the electric field. Changes in the index of refraction cause the wavefront of the incident optical beam to experience different delays such that the incident optical beam is reflected out of the beam steerer at an angle that is tangential to the direction of variation of the applied electric field. Two dimensional beam steering is provided by the creation of two electric fields that are orthogonal to each other. Optical beam correction is provided by a matrix of individually addressable pixels that provide for individually controllable variations in the local index of refraction in the electro-optically active material.
摘要翻译：光束转向器包括一层或多层电光活性材料，其中形成啁啾分布布拉格反射器。在啁啾分布的布拉格反射器的传播方向上跨越电光活性材料的电场产生材料内的折射率改变。电场在与啁啾分布的布拉格反射器的传播方向垂直的方向上变化，这导致局部折射率随着电场强度的变化而变化。折射率的变化导致入射光束的波前经历不同的延迟，使得入射光束以与所施加的电场的变化方向相切的角度从光束转向器反射出来。通过产生彼此正交的两个电场来提供二维光束转向。光束校正由单独可寻址像素的矩阵提供，其提供电光活性材料中局部折射率的单独可控变化。

5. 发明授权

US5991314A Design for a Yb-doped CP fiber laser for operating near EDFA absorption band 失效
标题翻译：设计用于在EDFA吸收带附近操作的Yb掺杂CP光纤激光器
公开(公告)号：US5991314A
公开(公告)日：1999-11-23
申请号：US58539
申请日：1998-04-10
申请人： Stanislav I. Ionov , Dennis C. Jones , Metin S. Mangir
发明人： Stanislav I. Ionov , Dennis C. Jones , Metin S. Mangir
IPC分类号： H01S3/067 , H01S3/094 , H01S3/106 , H01S3/16 , H01S3/30
CPC分类号： H01S3/0675 , H01S2302/00 , H01S2303/00 , H01S3/094003 , H01S3/1062 , H01S3/1608 , H01S3/1618
摘要： A Yb-doped cladding pumped fiber laser includes a reflective grating located at each distal end of the laser cavity. Each reflective grating can reflect light propagating inside a fiber core and at a desired wavelength range. A plurality of band-rejecting gratings are disposed between the reflective gratings, whereby the band-rejecting gratings can couple light at an undesired wavelength range and out of the fiber core. When the band-rejecting gratings are in an end-to-end relationship, they are separated by a distance of approximately L whereby L=[(.sigma..sub.e.sup.d +.sigma..sub.a.sup.d)ln 1/T]/[n(.sigma..sub.a.sup.d .sigma..sub.e.sup.u -.sigma..sub.e.sup.d .sigma..sub.a.sup.u)], n is a concentration of ions subject to excitation, .sigma..sub.a.sup.d is an absorption cross section at said desired wavelength range, .sigma..sub.e.sup.u is an emission cross section at said undesired wavelength range, .sigma..sub.e.sup.d is an emission cross section at said desired wavelength range, .sigma..sub.a.sup.u is an absorption cross section at said undesired wavelngth range, and T is a band-rejecting grating transmission factor. The number of band-rejecting gratings is given by N whereby N=d/L.gtoreq.dn (.sigma..sub.a.sup.d .sigma..sub.e.sup.u -.sigma..sub.e.sup.d .sigma..sub.a.sup.u)/[.sigma..sub.e.sup.d +.sigma..sub.a.sup.d) ln 1/T] and d is the length of the laser.
摘要翻译： Yb掺杂包层泵浦光纤激光器包括位于激光腔的每个远端处的反射光栅。每个反射光栅可以反射在光纤芯内传播并在期望波长范围内的光。多个带阻光栅设置在反射光栅之间，由此带状光栅可将不期望的波长范围内的光耦合到光纤芯外。当带状抑制光栅处于端对端关系时，它们被分开大约L的距离，由此L = [（sigma ed + sigma ad）ln 1 / T] / [n（西格玛西格玛 ed sigma au）]，n是受激发的离子的浓度，σad是在所述期望波长范围的吸收截面，σeu是在所述不期望波长范围的发射截面，σed是所述期望的波长范围，σau是在所述不希望的波长范围的吸收截面，T是带阻光栅传播因子。带隙光栅的数量由N给出，其中N = d / L> / = dn（σσσσσσσσ/σ）激光。

6. 发明授权

US5758001A System and method for conjugating electromagnetic energy beams based on stimulated brillouin scattering in asymmetric waveguides 失效
标题翻译：基于非对称波导中受激布里渊散射的电磁能量束共轭的系统和方法
公开(公告)号：US5758001A
公开(公告)日：1998-05-26
申请号：US709202
申请日：1996-08-27
申请人： Stanislav I. Ionov
发明人： Stanislav I. Ionov
IPC分类号： G02F1/35 , G02B6/02
CPC分类号： G02F1/3538
摘要： A system (10) for conjugating electromagnetic energy beams adapted for use with UV, visible and infrared beams (24), and beams (24) that are depolarized or partially polarized. The inventive system (10) includes an SBS-active medium (20) and an asymmetric waveguide (27) whose guiding medium is an SBS-active medium (20). The asymmetric waveguide (27) has different propagation constants for different modes in the beam and this difference is sufficient for dispersing the modes over the length of SBS gain, thus eliminating cross-scattering between the different modes. The asymmetric waveguide (27) allows all the modes to interfere with each other locally, creating local hot spots that favor correct phases between the polarizations of a back-scattered beam (30). The inventive system (10) has focusing optics (12) for focusing the beams (24) into the SBS-active medium (20) inside the asymmetric waveguide (27) at an angle (22) with respect to an axis (18) of the waveguide (27). The focusing optics (12) focus the beams (24) and adjust the launching angle of the beams (26) to achieve the optimum conditions for discriminating the modes.
摘要翻译：一种用于共轭适用于UV，可见光和红外光束（24）的电磁能束的系统（10）和被去极化或部分极化的光束（24）。本发明的系统（10）包括SBS活性介质（20）和不对称波导（27），其引导介质是SBS活性介质（20）。不对称波导（27）对于波束中的不同模式具有不同的传播常数，并且该差异足以在SBS增益的长度上分散模式，从而消除不同模式之间的交叉散射。不对称波导（27）允许所有模式在局部相互干扰，产生有利于背散射光束（30）的偏振之间的正确相位的局部热点。本发明的系统（10）具有聚焦光学器件（12），用于将光束（24）相对于轴线（18）成角度（22）聚焦到不对称波导（27）内部的SBS活性介质（20）中波导（27）。聚焦光学器件（12）聚焦光束（24）并调节光束（26）的发射角度，以达到用于辨别模式的最佳条件。

7. 发明授权

US07430376B1 All-optical delay generator for PPM communication systems based on a non-linear waveguide with a chirped DBR 有权
标题翻译：基于具有啁啾DBR的非线性波导的PPM通信系统的全光学延迟发生器
公开(公告)号：US07430376B1
公开(公告)日：2008-09-30
申请号：US10999553
申请日：2004-11-29
申请人： Stanislav I. Ionov
发明人： Stanislav I. Ionov
IPC分类号： H04B10/04 , H04B10/12
CPC分类号： H04B10/508
摘要： An all-optical PPM modulator comprises one or more sources of trains of optical control pulses and optical signal pulses, the optical control and optical signal pulses being equally spaced, but differentiated from one another by at least having different optical wavelengths and/or polarizations prior to modulation. An electro-optic modulator, for example, amplitude modulates the control pulses using a signal. A chirped Bragg reflector in an non-linear waveguide receives both the amplitude modulated optical control signal pulses and unmodulated optical signal pulses at an entrance port thereof, the waveguide having a path length selected to achieve temporal overlap of the control and signal pulses in the waveguide. The chirped Bragg reflector is resonant to the optical signal pulses and off-resonant to the optical control pulse. The signal pulses reflect the in chirped Bragg reflector and exit an entrance port thereof while the control pulses either are absorbed or exit an exit port of the chirped Bragg reflector.
摘要翻译：全光PPM调制器包括光控制脉冲和光信号脉冲列的一个或多个源，光控制和光信号脉冲相等间隔，但彼此之间至少具有不同的光波长和/或偏振先前调制。例如，电光调制器使用信号幅度调制控制脉冲。非线性波导中的啁啾布拉格反射器在其入口处接收幅度调制的光控制信号脉冲和未调制的光信号脉冲，波导具有选择的路径长度以实现波导中的控制和信号脉冲的时间重叠。啁啾的布拉格反射器与光信号脉冲共振，并与光控制脉冲失谐。信号脉冲反射啁啾的布拉格反射器并离开其入口，同时控制脉冲被吸收或离开啁啾布拉格反射器的出口。

8. 发明授权

US07330304B2 Method and apparatus for PPM demodulation using a semiconductor optical amplifier 失效
标题翻译：使用半导体光放大器进行PPM解调的方法和装置
公开(公告)号：US07330304B2
公开(公告)日：2008-02-12
申请号：US10701378
申请日：2003-11-03
申请人： Stanislav I. Ionov
发明人： Stanislav I. Ionov
IPC分类号： H01S5/00 , H01S4/00 , H04B10/12
CPC分类号： H04B10/2914 , H04B10/60
摘要： An optical pulse position modulation receiver relying on the gain dynamics in a semiconductor optical amplifier (SOA). Optical PPM signal pulses and periodic optical clock pulses at a different frequency and/or polarization than the signal pulses are coupled into an SOA. Due to the high optical power of the clock pulses, the SOA gain will drop to a small value after each clock pulse. The SOA will then amplify each signal pulse that follows the clock pulse, and the gain will depend on the delay between the signal pulse and the preceding optical clock pulse. The optical output of the SOA can then be converted to an electrical signal by a photodetector.
摘要翻译：光脉冲位置调制接收机依靠半导体光放大器（SOA）中的增益动力学。与信号脉冲不同的频率和/或极化的光PPM信号脉冲和周期性光时钟脉冲被耦合到SOA中。由于时钟脉冲的高光功率，在每个时钟脉冲之后，SOA增益将下降到一个小的值。然后，SOA将放大跟随时钟脉冲的每个信号脉冲，增益将取决于信号脉冲和前一个光时钟脉冲之间的延迟。然后可以通过光电检测器将SOA的光输出转换成电信号。

9. 发明授权

US07321731B2 Optical pulse position modulation discriminator 有权
标题翻译：光脉冲位置调制鉴相器
公开(公告)号：US07321731B2
公开(公告)日：2008-01-22
申请号：US10820915
申请日：2004-04-07
申请人： Stanislav I. Ionov , Thomas W. Ball , Peter Chu , William S. Hoult, Jr.
发明人： Stanislav I. Ionov , Thomas W. Ball , Peter Chu , William S. Hoult, Jr.
IPC分类号： H04J4/00 , H04J14/00 , G08C19/16 , H03M1/00
CPC分类号： H04L27/10 , H04J14/08 , H04L25/4902
摘要： Systems and methods are disclosed herein to provide various optical techniques. For example, in accordance with an embodiment of the present invention, a pulse position modulation discriminator architecture is disclosed for discriminating temporal positions of PPM-encoded optical pulses by converting them from time modulated to frequency modulated signals. As another example, time division multiplexed optical signals may be translated to wavelength division multiplexed optical signals. One or more of the architectures disclosed herein may be implemented, for example, to provide PPM to FM or time to wavelength conversion for receiver or transmitter applications.
摘要翻译：本文公开了提供各种光学技术的系统和方法。例如，根据本发明的实施例，公开了一种脉冲位置调制鉴别器架构，用于通过将PPM编码的光脉冲从时间调制信号转换成调频信号来鉴别时间位置。作为另一示例，时分复用光信号可以被转换为波分复用光信号。例如，可以实现本文公开的一个或多个体系结构，以向接收机或发射机应用提供PPM到FM或波长转换的时间。

10. 发明授权

US06901177B2 Optical top hat pulse generator 失效
标题翻译：光学顶帽脉冲发生器
公开(公告)号：US06901177B2
公开(公告)日：2005-05-31
申请号：US10341689
申请日：2003-01-13
申请人： Stanislav I. Ionov
发明人： Stanislav I. Ionov
IPC分类号： G02F1/35 , H04B10/155 , G02B6/26
CPC分类号： H04B10/508 , G02F1/3519 , H04B10/503
摘要： An optical top hat pulse generator controlled by solitons. The top hat generator comprises a non-linear optical loop mirror (NOLM) that is fed by a continuous wave (CW) optical signal and is controlled by incoming optical pulses comprising first order solitons. The soliton regime for the incoming optical pulses is obtained by choosing a fiber with the correct dispersion and by adjusting the peak power of the control pulses.
摘要翻译：由孤子控制的光学顶帽脉冲发生器。顶帽发生器包括由连续波（CW）光信号馈送并由包括一阶孤子的入射光脉冲控制的非线性光环路反射镜（NOLM）。通过选择具有正确色散的光纤并通过调节控制脉冲的峰值功率来获得入射光脉冲的孤子状态。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式