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    • 3. 发明授权
    • Phase control of a fiber optic bundle
    • 光纤束的相位控制
    • US08229304B1
    • 2012-07-24
    • US12433051
    • 2009-04-30
    • David M. PepperMonica Minden
    • David M. PepperMonica Minden
    • H04B10/06
    • H04B10/61
    • A coherent laser receiver for receiving encoded light which may have propagated over an aberrated path, situated between a source of the encoded light and the coherent receiver. The coherent laser receiver comprises a bundle of optical fibers arranged in an array to receive light, as encoded from a distant optical transmitter or reflective surface, the encoded light from the distant optical transmitter or reflective surface is received by at least a majority of the fibers in the array. A plurality of light amplifiers is provided for amplifying the received encoded light. A control apparatus coherently combines a composite output of the bundle of optical fibers, the control apparatus includes at least one detector for detecting the a portion of the received encoded light, an output of the at least one detector being utilized to control the plurality of light amplifiers so that differential phases among individual fibers associated with said at least one detector in the bundle are minimized by said light amplifiers. A coherent detector is responsive to the composite output of the bundle for providing an output signal representative of the encoded information from the source.
    • 一种相干激光接收机,用于接收编码的光,该编码光可以在位于编码光源和相干接收器之间的像差路径上传播。 相干激光接收机包括布置成阵列的光纤束,以从远距离光发射器或反射表面编码接收光,来自远距离光发射器或反射表面的编码光被至少大部分光纤接收 在阵列中。 多个光放大器用于放大所接收的编码光。 控制装置相干地组合光纤束的复合输出,该控制装置包括至少一个用于检测接收的编码光的一部分的检测器,该至少一个检测器的输出用于控制多个光 放大器,使得与束中的所述至少一个检测器相关联的各个光纤中的差分相位被所述光放大器最小化。 相干检测器响应于束的复合输出,以提供表示来自源的编码信息的输出信号。
    • 8. 发明授权
    • Optical pulse position modulator with chirp compensation
    • 具有啁啾补偿的光脉冲位置调制器
    • US07831113B1
    • 2010-11-09
    • US12248667
    • 2008-10-09
    • Monica Minden
    • Monica Minden
    • G02F1/295H04B10/04
    • G02F1/3134G02F2203/25
    • An optical pulse position modulator includes a substrate with parallel first and second sides, the substrate including a first waveguide channel and a parallel second waveguide channel orthogonal to the first and second sides, a linear chirped grating orthogonal to and upon the first and second waveguide channels, and at least a first electrode along the first waveguide channel to apply a voltage modulation thereto. A first optical circulator has a first port coupled to a pulsed optical carrier signal, and a second port coupled to the first waveguide channel on the first side of the substrate, and a second optical circulator has a fourth port coupled to the third port of the first optical circulator, and a fifth port coupled to the second waveguide channel on the second side of the substrate. An output of the second waveguide channel is a position modulated optical pulse signal.
    • 光脉冲位置调制器包括具有平行的第一和第二侧面的衬底,所述衬底包括与第一和第二侧正交的第一波导通道和平行的第二波导通道,与第一和第二波导通道正交的线性啁啾光栅 以及沿着第一波导通道的至少第一电极,以对其施加电压调制。 第一光学循环器具有耦合到脉冲光载波信号的第一端口和耦合到衬底的第一侧上的第一波导通道的第二端口,并且第二光学循环器具有耦合到第二端口的第三端口的第四端口 第一光循环器和耦合到衬底第二侧上的第二波导通道的第五端口。 第二波导通道的输出是位置调制的光脉冲信号。
    • 10. 发明授权
    • Fiber coupling enhancement via external feedback
    • 通过外部反馈增强光纤耦合
    • US06707832B2
    • 2004-03-16
    • US10329325
    • 2002-12-23
    • Monica Minden
    • Monica Minden
    • H01S3098
    • H01S3/09415H01S3/005H01S3/06708H01S3/094007H01S5/0655H01S5/1089H01S5/146
    • The present invention provides for the coupling of laser diodes into electromagnetic radiation transmitting fibers wherein coupling efficiency is improved by improving the spatial brightness of multi-mode diode lasers as they are coupled into double-clad fibers. A Bragg grating 100 is fabricated into the core 102 of a double-clad fiber 104 coupled to a multi-mode diode laser 106. The output 108 from the multi-mode diode laser 106 is coupled into the core 102 and inner cladding 110 of the double-clad fiber by proximity or by one or more focusing objectives 112. The Bragg grating 100 in the core 102 of the double-clad fiber 104 is written at the wavelength of the multi-mode diode laser 106. The original output 108 from the multi-mode diode laser 106 strikes the Bragg grating 100 which reflects feedback 114 back to the diode laser 106.
    • 本发明提供了将激光二极管耦合到电磁辐射传输光纤中,其中耦合效率通过改善多模二极管激光器耦合到双包层光纤中的空间亮度而得到改善。 布拉格光栅100被制造到耦合到多模二极管激光器106的双包层光纤104的芯102中。来自多模二极管激光器106的输出108耦合到芯102和内包层110中。 双包层光纤靠近或由一个或多个聚焦对象112.双包层光纤104的芯102中的布拉格光栅100被写入多模二极管激光器106的波长。原始输出108来自 多模二极管激光器106撞击将反馈114反射回二极管激光器106的布拉格光栅100。