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71. 发明申请

WO2013023045A1 FIBER ASSEMBLY FOR ALL-FIBER DELIVERY OF HIGH ENERGY FEMTOSECOND PULSES 审中-公开
标题翻译：用于全光纤传输高能量有限元脉冲的光纤组件
公开(公告)号：WO2013023045A1
公开(公告)日：2013-02-14
申请号：PCT/US2012/050126
申请日：2012-08-09
申请人： OFS FITEL, LLC , JESPERSON, Kim , GRUNER-NIELSEN, Lars
发明人： JESPERSON, Kim , GRUNER-NIELSEN, Lars
IPC分类号： G02B6/26
CPC分类号： H01S3/2308 , G02B6/4296 , H01S3/0057 , H01S3/06725 , H01S3/06741 , H01S3/0804 , H01S3/1611 , H01S3/1618
摘要： Embodiments of the present invention are generally related to a fiber assembly, for example, in a chirped pulse amplification system, for all-fiber delivery of high energy femtosecond pulses. More specifically, embodiments of the present invention relate to a system and method for improving dispersion management when using hollow core photonic bandgap fibers for pulse compression. In one embodiment of the present invention, a fiber assembly comprises: an optical laser oscillator; a first fiber section for stretching the pulses from the laser oscillator, the first fiber section comprising a high order mode fiber; and a second fiber section for compressing the stretched pulses, connected to the first fiber section via a splice, the second fiber section comprising a hollow core photonic bandgap fiber; wherein the fiber assembly outputs a pulse compression at less than 200 fs.
摘要翻译：本发明的实施例通常涉及光纤组件，例如在啁啾脉冲放大系统中，用于全光纤输送高能飞秒脉冲。更具体地，本发明的实施例涉及一种用于在使用空心光子带隙光纤进行脉冲压缩时改进色散管理的系统和方法。在本发明的一个实施例中，光纤组件包括：光学激光振荡器; 用于从激光振荡器拉伸脉冲的第一光纤部分，第一光纤部分包括高阶模光纤; 以及第二纤维部分，用于压缩经由接头连接到第一纤维部分的拉伸脉冲，第二纤维部分包括中空光子带隙光纤; 其中所述光纤组件以小于200fs输出脉冲压缩。

72. 发明申请

WO2010143131A1 METHOD AND APPARATUS FOR EFFICIENT DIRECT GENERATION AND DELIVERY OF ULTRASHORT LASER PULSES 审中-公开
标题翻译：有效直接生成和传送超声波激光脉冲的方法和装置
公开(公告)号：WO2010143131A1
公开(公告)日：2010-12-16
申请号：PCT/IB2010/052535
申请日：2010-06-08
申请人： UNIVERSIDADE DO PORTO , PAIVA REBELO CEREJO CRESPO, Hélder Manuel , DE LIMA AGRA AMORIM, Manuela Alexandra , TOGNETTI, Marco Valerio , BERNARDO, Luís Miguel , FRANZ, Xaver, Kärtner
发明人： PAIVA REBELO CEREJO CRESPO, Hélder Manuel , DE LIMA AGRA AMORIM, Manuela Alexandra , TOGNETTI, Marco Valerio , BERNARDO, Luís Miguel , FRANZ, Xaver, Kärtner
IPC分类号： H01S3/00
CPC分类号： H01S3/0057 , G02B6/02295 , G02F2201/02 , G02F2202/32 , G02F2203/17 , G02F2203/26 , H01S3/06725 , H01S3/06741
摘要： A method and apparatus are disclosed for the direct generation and efficient non-dispersive delivery of broadband few-cycle femtosecond laser pulses by temporal solitonic compression of low-energy ultrashort laser pulses in nonlinear waveguides with constant (spatially independent) negative dispersion. The input laser pulses are sent through a linear optical system for adjustment of their energy, chirp and duration (1) and are coupled by a focusing optic (2) into a nonlinear waveguide with negative (or anomalous) dispersion (3) where simultaneous spectral broadening and temporal compression result in a diverging beam of broadband compressed pulses directly at the output of the waveguide. The compressed pulses are sent through a near- dispersionless delivery system composed of a second focusing optic (4) and a broadband linear system (5) that compensates for dispersion.
摘要翻译：公开了一种方法和装置，用于通过在具有恒定（空间独立）负色散的非线性波导中的低能超短激光脉冲的时间孤子压缩来直接生成和有效地非色散地递送宽带几周飞秒激光脉冲。输入激光脉冲通过线性光学系统发送，用于调节其能量，啁啾和持续时间（1），并通过聚焦光学元件（2）耦合到具有负（或异常）色散（3）的非线性波导中，其中同时光谱扩展和时间压缩直接在波导的输出处导致宽带压缩脉冲的发散光束。压缩脉冲通过由第二聚焦光学器件（4）和补偿色散的宽带线性系统（5）组成的近无离散传送系统发送。

73. 发明申请

WO2010120246A1 GRAPHENE-BASED SATURABLE ABSORBER DEVICES AND METHODS 审中-公开
标题翻译：基于石墨的可饱和吸收器件和方法
公开(公告)号：WO2010120246A1
公开(公告)日：2010-10-21
申请号：PCT/SG2010/000148
申请日：2010-04-13
申请人： NATIONAL UNIVERSITY OF SINGAPORE , NANYANG TECHNOLOGICAL UNIVERSITY , LOH, Kian Ping , BAO, Qiaoliang , TANG, Ding Yuan , ZHANG, Han
发明人： LOH, Kian Ping , BAO, Qiaoliang , TANG, Ding Yuan , ZHANG, Han
IPC分类号： H01S3/05 , H01S3/067 , H01S3/098
CPC分类号： H01S3/1118 , H01S3/06708 , H01S3/06725 , H01S3/06791 , H01S3/094046 , H01S3/10076 , H01S3/113 , H01S3/1608 , H01S2301/085 , Y10T156/10
摘要： A graphene-based saturable absorber device (22) suitable for use in a ring-cavity fiber laser (200) or a linear-cavity fiber laser (300) is disclosed. The saturable absorber device includes an optical element (10) and a graphene-based saturable absorber material (18) supported by the optical element and comprising at least one of graphene, a graphene derivative and functionalized graphene. An examplary optical element is an optical fiber having an end facet (14) that supports the saturable absorber material. Various forms of the graphene-based saturable absorber materials and methods of forming same are also disclosed.
摘要翻译：公开了一种适用于环形腔光纤激光器（200）或线性腔光纤激光器（300）的基于石墨烯的可饱和吸收器件（22）。可饱和吸收器件包括光学元件（10）和由光学元件支撑的基于石墨烯的可饱和吸收材料（18），并且包括石墨烯，石墨烯衍生物和官能化石墨烯中的至少一种。示例性光学元件是具有支撑可饱和吸收材料的端面（14）的光纤。还公开了各种形式的基于石墨烯的可饱和吸收材料及其形成方法。

74. 发明申请

WO2005022705A3 HIGH ENERGY OPTICAL FIBER AMPLIFIER FOR PICOSECOND-NANOSECOND PULSES FOR ADVANCED MATERIAL PROCESSING APPLICATIONS 审中-公开
标题翻译：用于高级材料加工应用的PICOSECOND-NANOSECOND脉冲的高能量光纤放大器
公开(公告)号：WO2005022705A3
公开(公告)日：2009-04-16
申请号：PCT/US2004027808
申请日：2004-08-27
申请人： IMRA AMERICA INC , FERMANN MARTIN E , HARTL INGMAR , IMESHEV GENNADY , PATEL RAJESH S
发明人： FERMANN MARTIN E , HARTL INGMAR , IMESHEV GENNADY , PATEL RAJESH S
IPC分类号： G02F1/35 , B23K26/36 , B23K26/40 , G02F1/37 , G02F1/39 , H01S3/00 , H01S3/06 , H01S3/10 , H01S3/115
CPC分类号： G02F1/39 , B23K26/0622 , B23K26/0624 , G02F2001/3548 , G02F2001/392 , H01S3/0057 , H01S3/0604 , H01S3/06704 , H01S3/06725 , H01S3/06741 , H01S3/06758 , H01S3/08045 , H01S3/094007 , H01S3/115 , H01S3/2325 , H01S2301/03
摘要： A fiber-based source for high-energy picosecond and nanosecond pulses is described. By minimizing nonlinear energy limitations in fiber amplifiers, pulse energies close to the damage threshold of optical fibers can be generated. The implementation of optimized seed sources in conjunction with amplifier chains comprising at least one nonlinear fiber amplifier allows for the generation of near bandwidth-limited high-energy picosecond pulses. Optimized seed sources for high-energy pulsed fiber amplifiers comprise semiconductor lasers as well as stretched mode locked fiber lasers. The maximization of the pulse energies obtainable from fiber amplifiers further allows for the generation of high-energy ultraviolet and IR pulses at high repetition rates.
摘要翻译：描述了用于高能皮秒和纳秒脉冲的基于光纤的源。通过最小化光纤放大器中的非线性能量限制，可以产生接近光纤损伤阈值的脉冲能量。结合包括至少一个非线性光纤放大器的放大器链实现优化的种子源允许产生近带宽限制的高能皮秒脉冲。用于高能脉冲光纤放大器的优化种子源包括半导体激光器以及拉伸模式锁定光纤激光器。从光纤放大器获得的脉冲能量的最大化进一步允许以高重复率产生高能量的紫外和IR脉冲。

75. 发明申请

WO2008032021A3 OPTICAL CLOCK 审中-公开
标题翻译：光学时钟
公开(公告)号：WO2008032021A3
公开(公告)日：2008-05-08
申请号：PCT/GB2007003372
申请日：2007-09-10
申请人： QINETIQ LTD , MCDONALD GREGOR JOHN
发明人： MCDONALD GREGOR JOHN
IPC分类号： H01S3/10 , H01S3/00 , H01S3/067 , H01S3/16 , H01S3/23 , H04B10/18 , H04L7/00
CPC分类号： H01S3/06754 , H01S3/0057 , H01S3/0085 , H01S3/06725 , H01S2301/02
摘要： An optical clock (100) comprises a laser oscillator (102) and modulating means (106, 108, 110, 112, 114 116, 118, 112) arranged to cooperate with the laser oscillator to produce a series of phase-modulated optical pulses. The optical clock further comprises an optical fibre (128) arranged to provide compression of the optical pulses, and may also comprise a step-recovery diode (130) arranged to pulse-pick pulses output from the fibre to produce a series of optical clock pulses, depending on the mode of operation of the modulating means. Phase-modulation is carried out a frequency which provides sufficient linewidth broadening to inhibit stimulated Brillouin scattering within the optical fibre. An optical clock of the invention provides a robust and reliable alternative to clocks based on modelocked lasers, and may be assembled from inexpensive, commonly-available components. The repetition rate of a clock of the invention may easily be adjusted by electronic means. Unlike many modelocked lasers, a clock of the invention does not require precise optical alignment.
摘要翻译：光学时钟（100）包括激光振荡器（102）和被配置为与激光振荡器配合以产生一系列相位调制的光脉冲的调制装置（106,108,110,112,114,116,112,112）。光学时钟还包括被布置成提供光脉冲压缩的光纤（128），并且还可以包括步进恢复二极管（130），其被布置成脉冲拾取从光纤输出的脉冲以产生一系列光时钟脉冲取决于调制装置的操作模式。进行相位调制，该频率提供足够的线宽展宽以抑制光纤内的受激布里渊散射。本发明的光时钟提供了基于锁模激光器的时钟的鲁棒且可靠的替代，并且可以由廉价的，通常可用的组件组装。本发明的时钟的重复率可以容易地通过电子方式进行调整。与许多锁模激光器不同，本发明的时钟不需要精确的光学对准。

76. 发明申请

WO2005094275A3 OPTICAL PARAMETRIC AMPLIFICATION, OPTICAL PARAMETRIC GENERATION, AND OPTICAL PUMPING IN OPTICAL FIBERS SYSTEMS 审中-公开
标题翻译：光学参数放大，光学参数生成和光纤泵浦系统中的光学泵浦
公开(公告)号：WO2005094275A3
公开(公告)日：2007-09-13
申请号：PCT/US2005010081
申请日：2005-03-25
申请人： IMRA AMERICA INC , IMESHEV GENNADY , FERMANN MARTIN
发明人： IMESHEV GENNADY , FERMANN MARTIN
IPC分类号： H01S3/30 , G02F1/355 , G02F1/39 , H01S3/00 , H01S3/067 , H01S3/091 , H01S3/0941 , H01S3/10 , H01S3/109 , H01S3/16 , H01S3/23
CPC分类号： H01S3/10015 , G02F1/3558 , G02F1/39 , G02F2001/392 , G02F2203/26 , H01S3/005 , H01S3/0057 , H01S3/06708 , H01S3/06725 , H01S3/06754 , H01S3/06758 , H01S3/08013 , H01S3/0941 , H01S3/10092 , H01S3/109 , H01S3/1608 , H01S3/1616 , H01S3/302
摘要： Embodiments described herein include a system for producing ultrashort tunable pulses based on ultra broadband OPA or OPG in nonlinear materials. The system parameters such as the nonlinear material, pump wavelengths, quasi-phase matching periods, and temperatures can be selected to utilize the intrinsic dispersion relations for such material to produce bandwidth limited or nearly bandwidth limited pulse compression. Compact high average power sources of short optical pulses tunable in the wavelength range of 1800 - 2100 nm and after frequency doubling in the wavelength range of 900 - 1050 nm can be used as a pump for the ultra broadband OPA or OPG. In certain embodiments, these short pump pulses are obtained from an Er fiber oscillator at about 1550 nm, amplified in Er fiber, Raman-shifted to 1800 - 2100 nm, stretched in a fiber stretcher, and amplified in Tm-doped fiber. To produce short pulses in the 900 - 1050 nm wavelength range, the pulses are frequency-doubled with a chirped frequency doubler for nearly bandwidth-limited output.
摘要翻译：本文描述的实施例包括用于在非线性材料中基于超宽带OPA或OPG产生超短可调脉冲的系统。可以选择系统参数，例如非线性材料，泵浦波长，准相位匹配周期和温度，以利用这种材料的固有色散关系产生带宽限制或接近带宽限制的脉冲压缩。可在1800 - 2100 nm的波长范围内调节的短光脉冲的紧凑型高平均电源，在900 - 1050 nm波长范围内倍频后，可用作超宽带OPA或OPG的泵。在某些实施例中，这些短泵浦脉冲从大约1550nm的Er光纤振荡器获得，在Er光纤中放大，拉曼偏移到1800-2100nm，在纤维拉伸器中拉伸，并在Tm掺杂光纤中进行放大。为了在900 - 1050 nm波长范围内产生短脉冲，脉冲频率加倍，啁啾倍频器几乎受带宽限制的输出。

77. 发明申请

WO2007061732A2 BROADBAND OR MID-INFRARED FIBER LIGHT SOURCES 审中-公开
标题翻译：宽带或中红外光纤光源
公开(公告)号：WO2007061732A2
公开(公告)日：2007-05-31
申请号：PCT/US2006/044451
申请日：2006-11-16
申请人： OMNI SCIENCES, INC. , ISLAM, Mohammed, N.
发明人： ISLAM, Mohammed, N.
IPC分类号： H01S3/30
CPC分类号： G01J3/108 , G01B9/02091 , G01J3/0218 , G01J3/0245 , G01J3/42 , G01J2003/102 , G01J2003/423 , G02B6/29349 , G02F1/365 , G02F2001/3528 , G02F2202/32 , H01S3/06725 , H01S3/06754 , H01S3/094007 , H01S3/094069 , H01S3/094076 , H01S3/1024 , H01S3/302 , H01S5/0064 , H01S5/0085 , H01S5/0092 , H01S5/1092 , H01S5/146 , H01S5/4012 , H01S2301/085
摘要： A broadband light source includes one or more laser diodes that are capable of generating a pump signal having a wavelength shorter than 2.5 microns, a pulse width of at least 100 picoseconds and a pump optical spectral width. The light source also includes one or more optical amplifiers that are coupled to the pump signal and are capable of amplifying the pump signal to a peak power of at least 500W. The light source further includes a first fiber that is coupled to the one or more optical amplifiers. The first fiber including an anomalous group-velocity dispersion regime and a modulational instability mechanism that operates to modulate the pump signal. In one particular embodiment, the pump signal wavelength resides in the anomalous group- velocity dispersion regime of the first fiber and where different intensities in the pump signal can cause relative motion between different parts of the modulated pump signal produced through modulational instability in the first fiber. The light source also including a nonlinear element that is coupled to the first fiber that is capable of broadening the pump optical spectral width to at least 100nm through a nonlinear effect in the nonlinear element.
摘要翻译：宽带光源包括能够产生波长短于2.5微米的泵浦信号，至少100皮秒的脉冲宽度和泵浦光谱宽度的一个或多个激光二极管。光源还包括耦合到泵浦信号的一个或多个光放大器，并且能够将泵浦信号放大到至少500W的峰值功率。光源还包括耦合到一个或多个光放大器的第一光纤。第一光纤包括异常组 - 速度色散方案和用于调制泵浦信号的调制不稳定机制。在一个特定实施例中，泵浦信号波长驻留在第一光纤的异常群速度色散方案中，并且泵信号中的不同强度可引起通过第一光纤中的调制不稳定性产生的调制泵浦信号的不同部分之间的相对运动。光源还包括耦合到第一光纤的非线性元件，其能够通过非线性元件中的非线性效应将泵浦光谱宽度扩展至至少100nm。

78. 发明申请

WO2006099616A2 COUPLED AND NON-COUPLED OPTO-ELECTRONIC OSCILLATORS WITH ENHANCED PERFORMANCE 审中-公开
标题翻译：具有增强性能的耦合和非耦合光电振荡器
公开(公告)号：WO2006099616A2
公开(公告)日：2006-09-21
申请号：PCT/US2006/010027
申请日：2006-03-17
申请人： OEWAVES, INC. , YILMAZ, Ismail Tolga , ELIYAHU, Danny , KOSSAKOVSKI, Dmitri A. , MALEKI, Lutfollah
发明人： YILMAZ, Ismail Tolga , ELIYAHU, Danny , KOSSAKOVSKI, Dmitri A. , MALEKI, Lutfollah
IPC分类号： H01S3/10
CPC分类号： H01S3/06791 , G01C19/72 , H01S3/06725 , H01S3/08036 , H01S3/1061 , H01S3/1109 , H01S5/1071 , H01S5/50 , H01S2301/08
摘要： This application describes coupled and non-coupled opto-electronic oscillators with enhanced performance. Coupled OEOs implement a dispersion compensation mechanism to reduce dispersion-induced optical loss, a polarization control mechanism to reduce polarization-dependent optical loss, or a combination of the dispersion compensation mechanism and the polarization control mechanism to enhance the oscillator performance.
摘要翻译：该应用描述了具有增强性能的耦合和非耦合光电振荡器。耦合OEO实现色散补偿机制，以减少色散引起的光损耗，减少偏振相关光损耗的偏振控制机制，或色散补偿机制和偏振控制机制的组合，以增强振荡器的性能。

79. 发明申请

WO2006079078A3 MODE LOCKING METHODS AND APPARATUS 审中-公开
标题翻译：模式锁定方法和装置
公开(公告)号：WO2006079078A3
公开(公告)日：2006-08-31
申请号：PCT/US2006002476
申请日：2006-01-20
申请人： MASSACHUSETTS INST TECHNOLOGY , HUBER ROBERT , TAIRA KENJI , FUJIMOTO JAMES
发明人： HUBER ROBERT , TAIRA KENJI , FUJIMOTO JAMES
IPC分类号： H01S3/106 , H01S3/063 , H01S3/067 , H01S3/098 , H01S3/107
CPC分类号： G01B9/02004 , G01B9/02069 , G01B9/02091 , H01S3/063 , H01S3/067 , H01S3/06725 , H01S3/06791 , H01S3/08013 , H01S3/08027 , H01S3/082 , H01S3/083 , H01S3/106 , H01S3/1062 , H01S3/1068 , H01S3/107 , H01S3/1109 , H01S3/1121 , H01S3/1305 , H01S3/1307 , H01S3/2383 , H01S5/065 , H01S5/141 , H01S5/146 , H01S2301/08
摘要： In one aspect the invention relates to a frequency varying wave generator. The generator includes a gain element adapted to amplify a wave having a wavelength; a time varying tunable wavelength selective filter element in communication with the gain element, the tunable Filter element adapted to selectively filter waves during a period T; and a feedback element in communication with the tunable filter element and the gain element, wherein the tunable wavelength selective filter element, the gain element and the feedback element define a circuit such that the roundtrip time for the wave to propagate through the circuit is substantially equal to a non-zero integer multiple of the period T.
摘要翻译：一方面，本发明涉及一种变频波发生器。发生器包括适于放大具有波长的波的增益元件; 与所述增益元件通信的时变可调波长选择滤波器元件，所述可调滤波器元件适于在周期T期间选择性地滤波波; 以及与可调滤波器元件和增益元件通信的反馈元件，其中可调波长选择滤波器元件，增益元件和反馈元件限定电路，使得波在电路中传播的往返时间基本相等到周期T的非零整数倍。

80. 发明申请

WO2005114317A1 ラマン増幅用光ファイバ、光ファイバコイル、ラマン増幅器及び光通信システム审中-公开
标题翻译：拉曼放大光纤，光纤线圈，拉曼放大器和光通信系统
公开(公告)号：WO2005114317A1
公开(公告)日：2005-12-01
申请号：PCT/JP2005/007161
申请日：2005-04-13
申请人：古河電気工業株式会社 , 谷口友規 , 江森芳博 , 杉崎隆一 , 小栗淳司 , 八木健
发明人：谷口友規 , 江森芳博 , 杉崎隆一 , 小栗淳司 , 八木健
IPC分类号： G02F1/35
CPC分类号： G02B6/0281 , G02B6/02028 , G02B6/02242 , G02B6/02252 , G02B6/03627 , H01S3/06716 , H01S3/06725 , H01S3/06729 , H01S3/06758 , H01S3/06766 , H01S3/0677 , H01S3/06775 , H01S3/094003 , H01S3/302
摘要：　本発明は、非線形効果によるシステム特性の劣化を抑制しつつ増幅効率を増大させるラマン増幅用光ファイバ１を提供する。ラマン増幅用光ファイバ１は、励起光が供給されることにより信号光をラマン増幅するラマン増幅用光ファイバであって、波長１５５０ｎｍにおける波長分散値が－７０ｐｓ／ｎｍ／ｋｍ以上且つ－３０ｐｓ／ｎｍ／ｋｍ以下であり、１４５０ｎｍの励起光によるラマン利得効率（ｇ R ／Ａ eff,R ）が５（Ｗ×ｋｍ） -1 以上であり、波長１５５０ｎｍにおける非線形係数（ｎ 2 ／Ａ eff,s ）が５．０×１０ -9 Ｗ -1 以下であり、ゼロ分散波長λ 0 が信号光波長及び励起光波長に無く、カットオフ波長λ C が励起光波長以下である。
摘要翻译：一种拉曼放大光纤（1），用于提高放大效率，同时通过非线性效应来限制系统特性劣化。拉曼放大光纤（1）是用于通过提供激发光拉曼放大信号光的拉曼放大光纤，其中波长为1550nm的波长色散值为至少-70ps / nm / km，高达-30ps / nm / km，通过1450nm激发光的拉曼增益效率（gR / Aeff，R）为5（Wxkm）≤1以上，波长1550nm处的非线性系数（n2 / Aeff，s）为 5.0×10 -9 W -1以下，零色散波长λ0在信号光波长和激发光波长中不可用，截止波长λC达到激发光波长。

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