公开(公告)号：US06538804B1

公开(公告)日：2003-03-25

申请号：US09433455

申请日：1999-11-04

申请人： Kyong Hon Kim ,  Yong Gyu Choi ,  Hak Kyu Lee ,  Min Yong Jeon ,  Joon Tae Ahn ,  Dong Sung Lim ,  Ho Young Kim ,  Do Il Chang

发明人： Kyong Hon Kim ,  Yong Gyu Choi ,  Hak Kyu Lee ,  Min Yong Jeon ,  Joon Tae Ahn ,  Dong Sung Lim ,  Ho Young Kim ,  Do Il Chang

IPC分类号： H01S300

CPC分类号： G02F1/3132 ,  G02F1/225 ,  H01S5/4068 ,  H01S5/50

摘要： A planar waveguide-type optical amplifier switch is disclosed. The switch is developed with the purpose of solving the problems that the conventional waveguide-type optical switch, which has been being used in the optical communication technique, has an optical loss and thereby requires an external optical amplifier which makes the whole devices not suitable for forming an integrated compact device. The disclosed switch performs switching function from the refractive index change in the optical waveguides induced by electrical or optical controls as well as amplifying function of the optical signal, when it passes through the waveguides, from use of optical waveguides formed of a fluorescence emitting material with an optical pumping and a wavelength division multiplexing (WDM) optical waveguide-type coupler. The optical amplifier switch scheme, which provides a simultaneous optical switching and amplification in an optical waveguide form, allows the device fabricable in a compact integrated manner and more useful in practical applications. The optical amplifier switch in accordance with the present invention can replace the conventional optical switches of the prior art, and can promote technical development in the areas of high-capacity optical communication systems, massive optical signal processing, optical switching, optical computing, and so on.

摘要翻译： 公开了一种平面波导型光放大器开关。 开关是为了解决在光通信技术中使用的常规波导型光开关具有光损耗并因此需要外部光放大器的问题而开发的，这使得整个器件不适合于 形成集成的紧凑型装置。 所公开的开关从通过电光或光控制引起的光波导中的折射率变化执行切换功能，以及当光信号通过波导时放大功能，使用由荧光发射材料形成的光波导与 光泵浦和波分复用（WDM）光波导型耦合器。 提供光波导形式的同时光切换和放大的光放大器开关方案允许该器件以紧凑的集成方式可制造并且在实际应用中更有用。 根据本发明的光放大器开关可以代替现有技术的传统光开关，并且可以促进大容量光通信系统，大规模光信号处理，光交换，光计算等领域的技术发展。 上。

公开(公告)号：US06560251B1

公开(公告)日：2003-05-06

申请号：US09705582

申请日：2000-11-02

申请人： Min Yong Jeon ,  Hak Kyu Lee ,  Dong Sung Lim ,  Joon Tae Ahn ,  Do Il Chang ,  Kyong Hon Kim

发明人： Min Yong Jeon ,  Hak Kyu Lee ,  Dong Sung Lim ,  Joon Tae Ahn ,  Do Il Chang ,  Kyong Hon Kim

IPC分类号： H01S313

CPC分类号： H01S3/06791 ,  H01S3/06712 ,  H01S3/08059 ,  H01S3/108 ,  H01S3/1109 ,  H01S3/139

摘要： There is disclosed a mode-locked optical fiber laser stabilizing apparatus for stabilizing the length of the optical fiber laser resonator by feedbacking the optical signals to the laser resonator, in the direction where the signal reflected by the optical fiber loop mirror is detected as an error signal to minimize the signal, and method thereof. According to the present invention, a resonator stabilizing apparatus in an optical fiber laser includes a non-linear optical amplitude loop mirror (NALM) for non-linearly amplifying a laser pumped laser light, a linear loop mirror of a closed loop shape for confining the laser light sufficiently amplified by the non-linear optical amplitude loop mirror; a light isolator for proceeding the light confined by said linear loop mirror only in one direction, an optical coupler for detecting the light proceeding in the direction opposite to the light isolator by the linear loop mirror, the phase of which is varied in the non-linear optical amplitude loop mirror, and a piezo-electric transducer (PZT) for performing a signal processing for minimizing the amount of light proceeding in an opposite direction when the light detector detects the light proceeding in the opposite direction and feedbacking again the light to stabilize the light, the light detector is coupled by the linear loop mirror and the optical coupler.

摘要翻译： 公开了一种锁模光纤激光稳定装置，用于通过将光信号反馈到激光谐振器，使光纤环路反射的信号被检测为误差的方向来稳定光纤激光谐振器的长度 信号以使信号最小化，及其方法。 根据本发明，光纤激光器中的谐振器稳定装置包括用于非线性放大激光泵浦激光的非线性光学振幅反射镜（NALM），闭环形状的线性环形反射镜，用于限制 激光由非线性光学振幅回波镜充分放大; 光隔离器，用于仅在一个方向上进行由所述线性环形反射镜限制的光;光耦合器，用于检测通过线性环形反射镜在与光隔离器相反的方向上行进的光， 线性光学振幅回路镜和压电换能器（PZT），用于当光检测器检测到沿相反方向进行的光并且再次反馈光以稳定时进行信号处理以最小化在相反方向上进行的光量 光，光检测器通过线性环路镜和光耦合器耦合。

公开(公告)号：US6101027A

公开(公告)日：2000-08-08

申请号：US145545

申请日：1998-09-02

申请人： Hak Kyu Lee ,  Kyong Hon Kim ,  Joon Tae Ahn ,  Min Yong Jeon ,  Dong Sung Lim ,  Ho Young Kim

发明人： Hak Kyu Lee ,  Kyong Hon Kim ,  Joon Tae Ahn ,  Min Yong Jeon ,  Dong Sung Lim ,  Ho Young Kim

IPC分类号： G02F2/00 ,  H01S5/062 ,  H01S5/50 ,  H01S3/00

CPC分类号： G02F2/004 ,  H01S5/50

摘要： The present invention discloses an all-optical wavelength converter using a semiconductor optical amplifier and a polarization interferometer. The all-optical wavelength converter using a semiconductor optical amplifier and a polarization interferometer including a wavelength converter which modulates a probe light into a inverting waveform to a signal light and outputs the modulated light by using cross gain modulation, a phenomenon that occurs while the signal light and the probe light pass together through an optical splitter/combiner, a semiconductor optical amplifier and a filter at the same time, a polarization interferometer which makes the probe light outputted from the wavelength converter and having the inverting waveform to the signal light undergo a double-refraction so that a predetermined time split occurs on it and provides a non-inverting wavelength conversion and suppresses the slow XGM components in the converted outputs due to the slow carrier recombination time.

摘要翻译： 本发明公开了一种使用半导体光放大器和偏振干涉仪的全光波长转换器。 使用半导体光放大器的全光波长转换器和包括波长转换器的偏振干涉仪，其将探测光调制为信号光的反相波形，并通过使用交叉增益调制输出调制光，该信号在信号 光和探测光同时通过光分路器/组合器，半导体光放大器和滤波器一起通过，使得从波长转换器输出并且具有对信号光的反相波形的探测光的偏振干涉仪经历 双折射使得在其上发生预定的时间分割并且提供非反相波长转换，并且由于载流子复合时间较慢而抑制转换输出中的慢XGM分量。

公开(公告)号：US6160627A

公开(公告)日：2000-12-12

申请号：US315998

申请日：1999-05-21

申请人： Joon Tae Ahn ,  Hak Kyu Lee ,  Min Yong Jeon ,  Dong Sung Lim ,  Kyong Hon Kim ,  El Hang Lee

发明人： Joon Tae Ahn ,  Hak Kyu Lee ,  Min Yong Jeon ,  Dong Sung Lim ,  Kyong Hon Kim ,  El Hang Lee

IPC分类号： G02B6/34 ,  G01B9/02

CPC分类号： G02B6/29353

摘要： An optical fiber Mach-Zehnder interferometer optical filter is disclosed. The filter includes a stabilization light source for varying a first wavelength of a light signal for stabilizing a Mach-Zehnder interferometer, first and second optical fiber couplers for receiving an optical signal from the stabilization light source and an optical signal of a second wavelength different from a first wavelength inputted from an input port and dividing into two parts having the same intensity for thereby forming a Mach-Zehnder interferometer, a polarization controller connected with one side of the first optical fiber coupler for controlling a polarization of the interfered light of the interferometer, first and second wavelength division multiplex optical couplers connected with the second optical fiber coupler for separately outputting a first wavelength optical signal and a second wavelength optical signal, an optical fiber phase modulator connected with the other side of the first optical fiber coupler for varying the length of the optical fiber in accordance with a fed-back phase difference, and a stabilization circuit for receiving two optical signals of the first wavelength from the first and second wavelength division multiplex optical couplers and feeding back the phase difference to the optical fiber phase modulator for thereby implementing a constant optical path difference of the interferometer.

摘要翻译： 公开了一种光纤马赫 - 曾德干涉仪滤光器。 滤光器包括用于改变用于稳定马赫 - 曾德干涉仪的光信号的第一波长的稳定光源，用于从稳定光源接收光信号的第一和第二光纤耦合器以及不同于 从输入端口输入的第一波长并分成具有相同强度的两个部分，从而形成马赫 - 策德尔干涉仪;偏振控制器，与第一光纤耦合器的一侧连接，用于控制干涉仪的干涉光的偏振 与第二光纤耦合器连接的第一和第二波分复用光耦合器，用于分别输出第一波长光信号和第二波长光信号;光纤相位调制器，与第一光纤耦合器的另一侧连接，用于改变 根据光纤的长度 反馈相位差，以及稳定电路，用于从第一和第二波分复用光耦合器接收第一波长的两个光信号，并将相位差反馈到光纤相位调制器，从而实现恒定的光程差 的干涉仪。

公开(公告)号：US06266145B1

公开(公告)日：2001-07-24

申请号：US09441532

申请日：1999-11-16

申请人： Hak Kyu Lee ,  Dong Sung Lim ,  Min Yong Jeon ,  Joon Tae Ahn ,  Kyong Hon Kim

发明人： Hak Kyu Lee ,  Dong Sung Lim ,  Min Yong Jeon ,  Joon Tae Ahn ,  Kyong Hon Kim

IPC分类号： G01B902

CPC分类号： G01J11/00

摘要： An apparatus for measurement of an optical pulse shape intended to measure the temporal waveform of an ultrashort single optical pulse is disclosed. The present invention comprises a linearly chirped supercontinuum light source that is synchronized with an optical pulse to be measured; a nonlinear optical interferometer to transform the temporal waveform of an incident optical pulse into a spectrum using an incident light from said supercontinuum light source; and an optical spectrum analyzer to measure the wavelength of the light passing through the nonlinear interferometer so that it can measure the temporal waveform of a single optical pulse. The present invention employs the method that transforms the temporal waveform of an incident optical pulse into a spectrum and measures the wavelength using a linearly chirped supercontinuum light source, a nonlinear optical interferometer, and an optical spectrum analyzer. The present invention provides an apparatus for measurement of an optical pulse shape that is able to measure the waveform not with the repeated measurements but with a single shot measurement.

摘要翻译： 公开了一种用于测量旨在测量超短单个光脉冲的时间波形的光脉冲形状的装置。 本发明包括与要测量的光脉冲同步的线性啁啾超连续谱光源; 使用来自所述超连续光源的入射光将入射光脉冲的时间波形变换为光谱的非线性光学干涉仪; 以及光谱分析仪来测量穿过非线性干涉仪的光的波长，以便它可以测量单个光脉冲的时间波形。 本发明采用将入射光脉冲的时间波形变换为光谱并使用线性啁啾超连续光源，非线性光学干涉仪和光谱分析仪测量波长的方法。 本发明提供了一种用于测量光脉冲形状的装置，该装置能够测量不是重复测量而不是单次测量的波形。

公开(公告)号：US06426965B1

公开(公告)日：2002-07-30

申请号：US09498457

申请日：2000-02-04

申请人： Do Il Chang ,  Min Yong Jeon ,  Hak Kyu Lee ,  Kyong Hon Kim

发明人： Do Il Chang ,  Min Yong Jeon ,  Hak Kyu Lee ,  Kyong Hon Kim

IPC分类号： H01S330

CPC分类号： H01S3/302

摘要： An optical fiber cascaded Raman laser scheme is provided. An optical fiber cascaded Raman laser scheme in accordance with an embodiment of the present invention includes a pump light source, an optical fiber, a wavelength division multiplexing optical fiber combiner, another wavelength division multiplexing optical fiber combiner, a short period optical fiber bragg grating, a long period bragg grating, first means, and second means. The pump light source generates pump light. The optical fiber causes Raman scattering regarding the optical pump light as nonlinear material. The wavelength division multiplexing optical fiber combiner forms intra cavity regarding light of second order stoke frequency shifted wavelength. The light is stoke frequency shifted by Raman scattering of the optical fiber. The another wavelength division multiplexing optical fiber combiner forms intra cavity regarding light of first and third order stoke frequency shifted wavelength. The light is stoke frequency shifted by Raman scattering of the optical fiber. The short period optical fiber bragg grating selects and reflects fourth stoke frequency shifted wavelength of output wavelength in intra cavity. The intra cavity is formed by the wavelength division multiplexing optical fiber combiner. The long period bragg grating causes loss on fifth order stoke frequency shifted wavelength and prevents oscillation. The fifth order is next order of output wavelength of the intra cavity. The first means passes pump light emitted from the pump light source and reflects light of fourth order stoke frequency shifted output wavelength. The first means is connected between the pump light source and the wavelength division multiplexing optical fiber combiner. The second means reflects pump light emitted from the pump light source and passing light of output wavelength.

摘要翻译： 提供光纤级联拉曼激光器方案。 根据本发明实施例的光纤级联拉曼激光器方案包括泵浦光源，光纤，波分复用光纤组合器，另一波分复用光纤组合器，短周期光纤布拉格光栅， 长周期布拉格光栅，第一装置和第二装置。 泵浦光源产生泵浦光。 光纤引起关于光泵浦光的拉曼散射作为非线性材料。 波分复用光纤组合器形成有关二阶振荡频移波长的光的腔内。 光线被光纤的拉曼散射所驱动。 另一个波分多路复用光纤组合器关于第一和第三阶振荡频移波长的光形成腔内。 光线被光纤的拉曼散射所驱动。 短周期光纤布拉格光栅选择并反映了腔内输出波长的第四发射频移波长。 腔内由波分复用光纤组合器形成。 长周期布拉格光栅引起第五阶振荡频移波长的损失，防止振荡。 第五级是腔内输出波长的下一个顺序。 第一种方法是通过泵浦光源发射的泵浦光，并反射出四阶波长的输出波长的光。 第一装置连接在泵浦光源与波分复用光纤组合器之间。 第二装置反映从泵浦光源发射的泵浦光并传出输出波长的光。

公开(公告)号：US06385216B1

公开(公告)日：2002-05-07

申请号：US09439595

申请日：1999-11-12

申请人： Do Il Chang ,  Ho Young Kim ,  Kyong Hon Kim ,  Min Yong Jeon

发明人： Do Il Chang ,  Ho Young Kim ,  Kyong Hon Kim ,  Min Yong Jeon

IPC分类号： H01S3067

CPC分类号： H01S3/067 ,  H01S3/06712 ,  H01S3/09415 ,  H01S3/1112

摘要： An optical fiber mode-locked laser is disclosed. The laser comprises a gain medium doped optical fiber to achieve a population inversion between high and low energy levels by a pump light source and to oscillate optical waves in sequence, a cholesteric liquid crystal circular polarization mirror to transmit the waves from the pump light source and to be operated as a circular polarization reflection mirror for the oscillated optical waves from the gain medium doped optical fiber, a polarization controller to control the polarization state of the proceeding light which is oscillated from the gain medium doped optical fiber, a dispersion shifted fiber to give a non-linear effect to the proceeding light through the polarization controller, and an optical fiber laser output mirror which forms a resonator by putting out some portion of the proceeding light by transmission and reflecting the other portion of the light. With the present invention, one can effectively produce an ultrashort pulse with a simple structure and a few parts thereby improve an economic competence.

摘要翻译： 公开了一种光纤锁模激光器。 激光器包括增益介质掺杂光纤，以通过泵浦光源实现高能量和低能量之间的群体反转，并且依次振荡光波;胆甾型液晶圆偏振镜，用于传输来自泵浦光源的波;以及 作为用于来自增益介质掺杂光纤的振荡光波的圆偏振反射镜，用于控制从增益介质掺杂光纤振荡的行进光的偏振状态的偏振控制器，将色散位移光纤 对通过偏振光控制器的行进光进行非线性效应，以及光纤激光输出反射镜，其通过透射并反射光的另一部分而放出进行中的一部分光而形成谐振器。 利用本发明，可以有效地生产具有简单结构和少量零件的超短脉冲，从而提高经济能力。

公开(公告)号：US06769274B2

公开(公告)日：2004-08-03

申请号：US10033126

申请日：2001-12-26

申请人： Doo Hee Cho ,  Joon Tae Ahn ,  Min Yong Jeon ,  Kyong Hon Kim

发明人： Doo Hee Cho ,  Joon Tae Ahn ,  Min Yong Jeon ,  Kyong Hon Kim

IPC分类号： C03B2703

CPC分类号： G02B6/136 ,  C03C21/005 ,  G02B6/1345 ,  G02B2006/12083

摘要： The present invention relates to a method of manufacturing a waveguide using an ion exchange process. The present invention controls the refractive index and the thickness of a surface layer on a glass substrate using an ion exchange process, forms the waveguide pattern on the surface layer by means of photolithography and etching process and coats with materials having the refractive index same to or lower than that of the glass substrate to form a cladding layer. Accordingly, the present invention can manufacture a planar waveguide, which is excellent in dimension control and reproducibility and has a sharp step wall.

摘要翻译： 本发明涉及使用离子交换法制造波导的方法。 本发明使用离子交换工艺控制玻璃基板上的表面层的折射率和厚度，通过光刻和蚀刻工艺在表面层上形成波导图案，并用与折射率相同或相当于 低于玻璃基板以形成包覆层。 因此，本发明可以制造尺寸控制和再现性优异并且具有尖锐阶梯壁的平面波导。

公开(公告)号：US06298074B1

公开(公告)日：2001-10-02

申请号：US09491172

申请日：2000-01-25

申请人： Min Yong Jeon ,  Hak Kyu Lee ,  Seung Beom Kang ,  Kyong Hon Kim

发明人： Min Yong Jeon ,  Hak Kyu Lee ,  Seung Beom Kang ,  Kyong Hon Kim

IPC分类号： H01S330

CPC分类号： H04B10/25077 ,  H01S3/06754 ,  H01S3/094003 ,  H01S3/1112 ,  H01S2301/085

摘要： A mode-locked fiber laser and a fiber amplifier using a single pump laser, the fiber laser using a pump source to generate soliton optical short pulse and the fiber amplifier amplifying the optical short pulse. The mode-locked fiber laser and fiber amplifier use a single pump laser in accordance with an embodiment of the present invention that includes a tunable directional coupler, a mode-locked fiber laser, and an optical amplifier. The tunable directional coupler is connected to the pump source. The mode-locked fiber laser receives the pump output of the pump source and generates a soliton optical pulse. The mode-locked fiber laser is connected to an output port of the tunable directional coupler. The optical amplifier receives the pump output of the pump source, receives the soliton optical pulse generated by the mode-locked fiber laser, and amplifies the soliton optical pulse. The optical amplifier is connected to the other output port of the tunable directional coupler.

摘要翻译： 一种锁模光纤激光器和使用单泵激光器的光纤放大器，光纤激光器使用泵浦源产生孤子光学短脉冲，光纤放大器放大光学短脉冲。 根据本发明的实施例，锁模光纤激光器和光纤放大器使用单个泵激光器，其包括可调定向耦合器，锁模光纤激光器和光放大器。 可调谐定向耦合器连接到泵浦源。 锁模光纤激光器接收泵浦源的泵浦输出并产生孤子光脉冲。 锁模光纤激光器连接到可调谐定向耦合器的输出端口。 光放大器接收泵浦源的泵浦输出，接收由锁模光纤激光器产生的孤子光脉冲，并放大孤子光脉冲。 光放大器连接到可调谐定向耦合器的另一个输出端口。

公开(公告)号：US5812567A

公开(公告)日：1998-09-22

申请号：US794907

申请日：1997-02-04

申请人： Min Yong Jeon ,  Hak Kyu Lee ,  Kyong Hon Kim ,  El Hang Lee

发明人： Min Yong Jeon ,  Hak Kyu Lee ,  Kyong Hon Kim ,  El Hang Lee

IPC分类号： H01S3/098 ,  H01S3/067 ,  H01S3/13

CPC分类号： H01S3/067 ,  H01S3/06791 ,  H01S3/1068 ,  H01S3/1109

摘要： The wavelength tunable mode-locking optical fiber laser comprises non-linear amplifying loop mirror part having a light pumping lase diode, a gain medium doped optical fiber having the gain medium for oscillating the rambling light wave sequentially, a dispersion shifted optical fiber, and first polarization controller for making the continuous oscillation light wave to be maximized by adjusting the polarization of said propagating light. All elements of the non-linear amplifying loop mirror part are combined to each other in loop type on the above clock direction., and linear mirror part having second polarization controller for adjusting the light wave oscillated by the non-linear amplifying loop mirror part to be mode-locked, Faraday rotation mirror for rotating the direction of polarization with degree, an acousto-optic tunable filter for changing the wavelength of the propagating light wave and for passing only the light wave with the defined linewidth, an optical isolator, and the 90:10 optical fiber directional coupler.

摘要翻译： 波长可调模式锁定光纤激光器包括具有光泵浦二极管的非线性放大环路镜部分，具有用于顺序振荡漫射光波的增益介质的增益介质掺杂光纤，色散位移光纤和第一 偏振控制器，用于通过调节所述传播光的偏振使连续振荡光波最大化。 非线性放大环路镜部分的所有元件在上述时钟方向上以环路类型彼此组合，并且具有第二偏振控制器的线性反射镜部分用于将由非线性放大环形镜部分振荡的光波调整到 用于旋转偏振方向的法拉第旋转镜，用于改变传播光波的波长并且仅通过具有限定的线宽的光波的声光可调谐滤光器，光隔离器，以及 90:10光纤定向耦合器。