公开(公告)号：US5297156A

公开(公告)日：1994-03-22

申请号：US984382

申请日：1992-12-02

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： G02F1/39 ,  H01S3/082 ,  H01S5/14 ,  H01S3/10

CPC分类号： G02F1/3501 ,  G02F1/37 ,  G02F1/39 ,  G02F1/3534 ,  G02F2001/3542 ,  H01S3/082 ,  H01S5/141

摘要： A laser frequency conversion device employs a dual resonant optical cavity in which closed optical paths exist for both the pump beam and the generated beam. The optical cavity is designed so that the optical paths overlap the acceptance volume in phase space for coupling power from the pump beam into the output beam. At least one of the beams is pumped by an external laser which is aligned and mode matched to the cavity mode. The frequency of the pump laser or the cavity resonance modes is selected, generally by adjustment, to cause buildup of optical power at the pump frequency. The temperature and the angle of the nonlinear material are selected for phase match in the nonlinear interaction within the material. The frequencies of the modes near the output frequency are independently selected to cause buildup of optical power at the output frequency.

摘要翻译： 激光变频装置采用双谐振光学腔，其中存在用于泵浦光束和所产生的光束的闭合光路。 光学腔被设计成使得光路与相位空间中的接收体积重叠，用于将来自泵浦光束的功率耦合到输出光束中。 至少一个光束被外部激光器泵浦，外部激光器对准和模式匹配到腔模式。 通常通过调整选择泵浦激光器的频率或腔谐振模式，以在泵频率下产生光功率的积聚。 选择非线性材料的温度和角度用于材料内非线性相互作用中的相位匹配。 独立地选择输出频率附近的模式的频率，以便在输出频率下产生光功率的积累。

公开(公告)号：US5134622A

公开(公告)日：1992-07-28

申请号：US632447

申请日：1990-12-20

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： G02F1/39 ,  H01S3/082 ,  H01S5/14

CPC分类号： G02F1/39 ,  H01S3/082 ,  H01S5/141

摘要： The present invention is an optical parametric oscillator (OPO) which combines a singly resonant oscillator (SRO) configuration with a buildup cavity and uses optical output of a buildup cavity as feedback to injection lock a source laser. The result is an easily tuned OPO with a low pump power threshold without the requirement for active electronic control of the laser and/or the OPO resonator. In particular, specific embodiments of the invention employ a semiconductor diode laser to pump the OPO. The emission from the single longitudinal mode diode laser is transversely mode matched into the buildup cavity where the circulating power can build up to hundreds of times the output power of the diode. This high circulating power traverses the OPO crystal at a point of focus, producing a high enough intensity for operation of the OPO. At least one of the generated waves is also resonated in the SRO configuration. Either or both of the generated waves can be made to emerge from the resonator at the desired output mirror for use in applications.

摘要翻译： 本发明是一种光学参量振荡器（OPO），其将单谐振振荡器（SRO）配置与积累腔组合，并使用积聚腔的光输出作为注入锁定源激光器的反馈。 其结果是易于调节的具有低泵浦功率阈值的OPO，而不需要对激光器和/或OPO谐振器进行有源电子控制。 特别地，本发明的具体实施例采用半导体二极管激光器来泵浦OPO。 来自单纵模二极管激光器的发射是横向模式匹配到积聚腔中，其中循环功率可以建立到二极管的输出功率的几百倍。 这种高循环功率在对焦点上穿过OPO晶体，产生足够高的强度用于OPO的操作。 所产生的波中的至少一个在SRO配置中也是谐振的。 所产生的波形中的任何一个或两者可以在期望的输出反射镜处从谐振器中出现以用于应用中。

公开(公告)号：US06925098B2

公开(公告)日：2005-08-02

申请号：US10672848

申请日：2003-09-26

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： H01S5/026 ,  H01S5/06 ,  H01S5/10 ,  H01S5/12 ,  H01S5/36 ,  H01S3/10

CPC分类号： H01S5/141 ,  H01S5/0224 ,  H01S5/02248 ,  H01S5/02272 ,  H01S5/0612 ,  H01S5/101 ,  H01S5/1085 ,  H01S5/1206

摘要： Embodiments of wavelength tunable lasers are disclosed. The wavelength tunable lasers include thermo-optic organic material that has an index of refraction that can quickly vary in response to changes in temperature. By controlling the temperature in the thermo-optic organic material through the use of heaters or coolers, the wavelength tunable lasers and the integrated optical components can be quickly and selectively tuned over a broad range of wavelengths with high spectral selectivity.

摘要翻译： 公开了波长可调激光器的实施例。 波长可调激光器包括热光有机材料，其具有可以响应于温度变化而快速变化的折射率。 通过使用加热器或冷却器来控制热光有机材料中的温度，波长可调谐激光器和集成光学部件可以在具有高光谱选择性的宽波长范围内快速和有选择地调谐。

公开(公告)号：US06393185B1

公开(公告)日：2002-05-21

申请号：US09433830

申请日：1999-11-03

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： G02B626

CPC分类号： G02B6/4206 ,  G02B6/12004 ,  G02B6/122 ,  G02B6/1228 ,  G02B6/30 ,  G02B6/42 ,  G02B2006/12102 ,  G02B2006/12119 ,  G02F1/0147 ,  G02F1/3132 ,  G02F2201/302 ,  G02F2203/15 ,  H01S5/026 ,  H01S5/1064 ,  H01S5/12 ,  H01S5/4025 ,  H01S5/4087

摘要： An asymmetric waveguide pair (1440) with a differential thermal response has an optical coupling frequency that may be thermo-optically tuned. Tuning may also be accomplished by applying an electric field (1445) across a liquid crystal portion (1442) of the waveguide structure. The waveguide pair may include a grating and be used as a frequency selective coupler for an optical resonator. The differential waveguide pair may also be used as a temperature or electric field sensor, or it may be used in a waveguide array to adjust a phase relationship, e.g. in an arrayed waveguide grating.

摘要翻译： 具有差分热响应的不对称波导对（1440）具有可以被热光学调谐的光耦合频率。 也可以通过在波导结构的液晶部分（1442）上施加电场（1445）来实现调谐。 波导对可以包括光栅并且被用作用于光学谐振器的频率选择耦合器。 差分波导对还可以用作温度或电场传感器，或者它可以用在波导阵列中以调节相位关系，例如， 在阵列波导光栅中。

公开(公告)号：US06373872B1

公开(公告)日：2002-04-16

申请号：US09950359

申请日：2001-09-10

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： H01S304

摘要： Laser source including materials with negative index of refraction dependence on temperature and with temperature independent coincidence between cavity modes and a set of specified frequencies such as DWDM channels in telecommunications applications. The free spectral range may be adjusted to equal a rational fraction of the specified frequency interval. The operating frequency may be defined by a frequency selective feedback element that is thermo-optically tuned by the application of heat from an actuator without substantially tuning the cavity modes. The operating frequency may be induced to hop digitally between the specified frequencies. In a particular embodiment, semiconductor amplifier and polymer waveguide segments form a linear resonator with a thermo-optically tuned grating reflector. In a further embodiment, an amplifier and two waveguides from a tunable grating assisted coupler form a ring resonator. Tuning may also be accomplished by means of applying an electric field across a liquid crystal portion of the waveguide structure within the grating.

公开(公告)号：US06341189B1

公开(公告)日：2002-01-22

申请号：US09438887

申请日：1999-11-12

申请人： David A. G. Deacon

发明人： David A. G. Deacon

IPC分类号： G02B610

CPC分类号： H01S5/026 ,  G02B6/1228 ,  H01S5/005 ,  H01S5/1064 ,  H01S5/141 ,  H01S5/4025

摘要： The invention has multiple embodiments and applications including a digitally tunable laser source, a tapered waveguide, a lensed waveguide, and a tunable laser array. Also described are methods for making and tuning these devices. The laser source includes materials with negative index of refraction dependence on temperature and with temperature independent coincidence between resonator modes and a set of specified frequencies such as DWDM channels in telecommunications applications. The free spectral range may be adjusted to equal a rational fraction of the specified frequency interval. An advantageous embodiment of a tapered waveguide may be used to efficiently couple different size waveguides, such as in a resonator containing both a semiconductor diode amplifier waveguide and a planar waveguide structure for coupling to an optical fiber. An advantageous embodiment of a lensed planar waveguide may be used to efficiently couple to a different size waveguide such as a semiconductor diode amplifier waveguide.

摘要翻译： 本发明具有多个实施例和应用，包括数字可调激光源，锥形波导，透镜波导和可调激光阵列。 还描述了用于制造和调谐这些装置的方法。 激光源包括具有与温度相关的折射率折射率和谐振器模式与电信应用中的一组指定频率（如DWDM通道）之间的温度无关的材料。 可以将自由光谱范围调整为等于指定频率间隔的有理分数。 可以使用锥形波导的有利实施例来有效地耦合不同尺寸的波导，例如在包含半导体二极管放大器波导和用于耦合到光纤的平面波导结构的谐振器中。 透镜平面波导的有利实施例可以用于有效地耦合到诸如半导体二极管放大器波导的不同尺寸的波导。

公开(公告)号：US4491948A

公开(公告)日：1985-01-01

申请号：US235303

申请日：1981-02-13

申请人： David A. G. Deacon ,  John M. J. Madey ,  Todd I. Smith ,  William B. Colson

发明人： David A. G. Deacon ,  John M. J. Madey ,  Todd I. Smith ,  William B. Colson

IPC分类号： H01S3/09 ,  H01S3/00

CPC分类号： H01S3/0903

摘要： A storage-ring free-electron laser in which the electrons remain trapped in the optical potential wells formed by the laser fields. This is accomplished by preserving the electrons' bunched structure from pass to pass.

摘要翻译： 一种存储环自由电子激光器，其中电子保留在由激光场形成的光势阱中。 这是通过保持电子的束状结构从通过而实现的。