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1. 发明公开

EP2272140A4 METHOD FOR SUPPRESSING SIDE MODES IN A TUNABLE LASER 审中-公开
公开(公告)号：EP2272140A4
公开(公告)日：2017-12-27
申请号：EP09722243
申请日：2009-03-20
申请人： SYNTUNE AB
发明人： ERIKSSON URBAN
IPC分类号： H01S5/0625 , H01S5/065
CPC分类号： H01S5/06256 , H01S5/1003
摘要： Method for suppressing side modes during use of a tunable laser of MGY type, having an amplification section, a phase section and a reflector section having a Y-branched waveguide, with a first a second branch, where the laser operation point is defined by feeding a respective current through the phase section, the first and the second branch, where possible combinations of these currents span a three-dimensional space, in which elongated volumes define combinations of currents for which the laser is operated in the same mode and where two-dimensional sections, defined by holding the current through the phase section constant and varying the currents through the branches, through a certain of the volumes constitute modeflats. The two branch currents are controlled within a certain modeflat so that the laser operation point does not coincide with the center of the modeflat, but is sufficiently far from the periphery of the modeflat for mode transitions not to occur, within a predetermined time period, as a consequence of changes related to ageing of the laser, leading to drift of the laser operation point.

2. 发明授权

EP1946158B1 METHOD FOR PRODUCING A MODULATED GRATING FOR AN OPTIMAL REFLECTION SPECTRUM 有权
标题翻译：方法产生调制GRID一个最佳的反射光谱
公开(公告)号：EP1946158B1
公开(公告)日：2011-12-14
申请号：EP06784209.6
申请日：2006-08-16
申请人： Syntune AB
发明人： WESSTRÖM, Jan-Olof
IPC分类号： G02B5/18 , H01S5/00
CPC分类号： G02B5/1861 , H01S5/1231
摘要： Method for producing a modulated grating for an optimal reflection spectrum, which grating is a multiple wavelength reflector. The invention is characterised in that the method comprises the following steps: a) Determining wavelengths to be reflected b) Calculating a preliminary grating c) Comparing the reflection spectrum r°(f) with the characteristics of the wanted modulated grating d) Differences lead to a directional change of r°(f) e) Calculating a target function G(z) f) Changing the grating (zk) depending on the real and imaginary part of G(z) g) Repeating steps c) to f) until the grating reflects the predetermined wavelengths

3. 发明公开

EP2331995A1 WAVEGUIDE FOR EXTRACTION OF LIGHT AT LOW LEVELS OF REFLECTION 审中-公开
标题翻译：光纤光与低的水平反射提取
公开(公告)号：EP2331995A1
公开(公告)日：2011-06-15
申请号：EP09816522.8
申请日：2009-09-17
申请人： Syntune AB
发明人： WESSTRÖM, Jan-Olof , GRANESTRAND, Per , HAMMERFELDT, Stefan
IPC分类号： G02B6/42
CPC分类号： G02B6/1228 , G02B6/4207
摘要： A waveguide for the extraction of light at low levels of reflection arranged to guide light from an electro-optical component on a chip to a facet on the chip for extraction includes a first part and a second part. The first part (4) is extended, the second part (5) includes a surface (JK) through which the light exits from the waveguide (1). A non-adiabatic longitudinal section (GHLM) is located after the first part (4) but before the surface (JK) in the direction of propagation of the light, and the surface (JK) forms in the plane of the chip a first angle (V1) with the optical axis (A) of the first part (4) that lies between 5 and 80 degrees.

4. 发明公开

EP2347529A4 COMMUNICATION SYSTEM COMPRISING A TUNABLE LASER 审中-公开
标题翻译：通信系统可调谐激光器
公开(公告)号：EP2347529A4
公开(公告)日：2014-01-29
申请号：EP09823898
申请日：2009-10-13
申请人： SYNTUNE AB
发明人： SARLET GERT , RIGOLE PIERRE-JEAN
IPC分类号： H04B10/079 , H04B10/2575 , H04B10/272 , H04J14/02
CPC分类号： H04B10/07957 , H04B10/272 , H04J14/0234 , H04J14/0236 , H04J14/0246 , H04J14/025 , H04J14/0256 , H04J14/0282 , H04J14/0283
摘要： A communication system includes a communication unit with a first part and a number of a second part, where the second part is arranged to be placed at the location of an end user, and where the first part is common for a number of second parts. The first part and the second part respectively include a laser, and each second part is connected with the first part by a fiber optic cable and a frequency filter, the first part and the relevant second part being arranged to exchange information by laser light. Each second part includes a tunable laser, the first part is arranged to analyze light received from a second part, and to transmit information to the second part while the first part is receiving light from the second part, and the information contains information for the second part that it should adjust, where required, its frequency or wavelength, and the second part thus is arranged to change its frequency or wavelength.

5. 发明授权

EP2160646B1 MACH ZEHNDER MODULATOR 有权
标题翻译： MACH ZEHNDER调制器
公开(公告)号：EP2160646B1
公开(公告)日：2011-12-21
申请号：EP08779374.1
申请日：2008-06-10
申请人： Syntune AB
发明人： GRANESTRAND, Per , WESSTRÖM, Jan-OLof , ADAMS, Dave
IPC分类号： G02F1/225
CPC分类号： G02F1/225 , G02F2201/14 , G02F2203/21
摘要： A Mach Zehnder (MZ) modulator (1) comprising a splitter (4) for splitting incident light in one wave guide (3) into two modulator arms (5,6) of the MZ and comprising a combiner (7) that combines light from the two arms {5,6) into an output mode, where electrodes (9,10) are present in connection with said arms (5,6) for changing the refractive index in said arms in order to modulate incident light so that the light is amplified or so that an extinction, due to interference between the light in the two arms, takes place. The invention is characterised in, that the splitter (4) is arranged to split incident light equally into the two arms (5,6) and in that a part (11) of one of the arms (5) between said electrode (9) and said combiner (7) is designed to cause an intentional loss of light in the wave guide (3), whereby a desired asymmetry in transmission of the two arms (5,6) occurs.
摘要翻译：一种包括用于将一个波导（3）中的入射光分成MZ的两个调制器臂（5,6）并包括组合器（7）的分光器（4）的Mach Zehnder（MZ）调制器（1）两个臂（5,6）转换成输出模式，其中电极（9,10）与所述臂（5,6）连接，用于改变所述臂中的折射率以调制入射光，使得光被放大或者由于两臂中的光线之间的干涉而发生消光。本发明的特征在于，分光器（4）被设置为将入射光等分成两个臂（5,6），并且所述电极（9）之间的一个臂（5）的一部分（11）并且所述组合器（7）被设计成在波导（3）中引起故意的光损失，由此发生两个臂（5,6）传输期望的不对称性。

6. 发明公开

EP2272140A1 METHOD FOR SUPPRESSING SIDE MODES IN A TUNABLE LASER 审中-公开
标题翻译：抑制方法时装侧的可调谐激光
公开(公告)号：EP2272140A1
公开(公告)日：2011-01-12
申请号：EP09722243.4
申请日：2009-03-20
申请人： Syntune AB
发明人： ERIKSSON, Urban
IPC分类号： H01S5/0625 , H01S5/065
CPC分类号： H01S5/06256 , H01S5/1003
摘要： Method for suppressing side modes during use of a tunable laser of MGY type, having an amplification section, a phase section and a reflector section having a Y-branched waveguide, with a first a second branch, where the laser operation point is defined by feeding a respective current through the phase section, the first and the second branch, where possible combinations of these currents span a three-dimensional space, in which elongated volumes define combinations of currents for which the laser is operated in the same mode and where two-dimensional sections, defined by holding the current through the phase section constant and varying the currents through the branches, through a certain of the volumes constitute modeflats. The two branch currents are controlled within a certain modeflat so that the laser operation point does not coincide with the center of the modeflat, but is sufficiently far from the periphery of the modeflat for mode transitions not to occur, within a predetermined time period, as a consequence of changes related to ageing of the laser, leading to drift of the laser operation point.

7. 发明公开

EP2151145A1 DEVICE FOR CONTROLLING THE CURRENT THROUGH A PN JUNCTION. 有权
标题翻译：一种用于控制一个pn结的力量
公开(公告)号：EP2151145A1
公开(公告)日：2010-02-10
申请号：EP08724292.1
申请日：2008-03-27
申请人： Syntune AB
发明人： GOOBAR, Edgard , FORSBERG, Gunnar
IPC分类号： H05B33/08 , G05F1/56 , H01S5/068
CPC分类号： H05B33/0812 , Y02B20/343 , Y02B20/345
摘要： Device for controlling the current through a PN junction (4) comprising a voltage source (1), connected to, in order, a controllable current generator (2), a measurement resistor (3), and a controlled output (4a), to which the PN junction (4) is connected, the device furthermore comprising a control signal input (6b), arranged to receive a desired value control signal, a differential amplifier (5) and an integrating device (6), whereby the differential amplifier (5) is arranged to measure the voltage drop across the measurement resistor (3), the integrating device (6) is arranged to, on its output (6c), apply a voltage which is the integrated difference between the output voltage of the differential amplifier (5) and the desired value control signal, the output voltage of the integrating device (6) constituting a control signal to the current generator (2), which generates a current depending on the voltage supplied from the voltage source (1) and the control voltage from the integrating device (6). The invention is characterized in that the integrating device (6) comprises a balanced integrator, in that the current through the output of the controllable current generator (2) is proportional to the difference between its input (2a) and its control input (2c), and in that the reference voltage of the integrating device (6) is constituted of the voltage of the voltage source (1).

8. 发明公开

EP2277068A4 TRANSITION DEVICE FOR OPTICAL WAVEGUIDES 审中-公开
标题翻译：过渡元素光纤
公开(公告)号：EP2277068A4
公开(公告)日：2014-05-21
申请号：EP08779340
申请日：2008-06-04
申请人： SYNTUNE AB
发明人： GRANESTRAND PER , WESSTRÖM JAN-OLOF , ADAMS DAVE
IPC分类号： G02B6/122 , G02B6/30
CPC分类号： G02B6/1228 , B82Y20/00 , G02B6/1223 , Y10T29/49016

9. 发明公开

EP2151145A4 DEVICE FOR CONTROLLING THE CURRENT THROUGH A PN JUNCTION. 有权
标题翻译：一种用于控制一个pn结的力量
公开(公告)号：EP2151145A4
公开(公告)日：2011-07-13
申请号：EP08724292
申请日：2008-03-27
申请人： SYNTUNE AB
发明人： GOOBAR EDGARD , FORSBERG GUNNAR
IPC分类号： H05B33/08 , G05F1/56 , H01S5/068
CPC分类号： H05B33/0812 , Y02B20/343 , Y02B20/345

10. 发明公开

EP1946158A4 METHOD FOR PRODUCING A MODULATED GRATING FOR AN OPTIMAL REFLECTION SPECTRUM 有权
标题翻译：方法产生调制GRID一个最佳的反射光谱
公开(公告)号：EP1946158A4
公开(公告)日：2010-11-24
申请号：EP06784209
申请日：2006-08-16
申请人： SYNTUNE AB
发明人： WESSTROEM JAN-OLOF
IPC分类号： G02B5/18 , H01S5/00
CPC分类号： G02B5/1861 , H01S5/1231

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