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公开(公告)号：US20150340538A1
公开(公告)日：2015-11-26
申请号：US14818060
申请日：2015-08-04
Applicant: Coriant Advanced Technology, LLC
Inventor： Ari Novack , Yang Liu , Yi Zhang
IPC: H01L31/107 , H01L31/0352 , H01L31/028
CPC classification number: H01L31/1075 , H01L31/02327 , H01L31/028 , H01L31/035281 , H01L31/107 , H01L31/1804 , Y02E10/50
Abstract: A lateral Ge/Si APD constructed on a silicon-on-insulator wafer includes a silicon device layer having regions that are doped to provide a lateral electric field and an avalanche region. A region having a modest doping level is in contact with a germanium body. There are no metal contacts made to the germanium body. The electrical contacts to the germanium body are made by way of the doped regions in the silicon device layer.
Abstract translation: 构造在绝缘体上硅晶片上的横向Ge / Si APD包括具有掺杂以提供横向电场和雪崩区域的区域的硅器件层。 具有适度掺杂水平的区域与锗体接触。 锗体没有金属接触。 通过硅器件层中的掺杂区域制造锗体的电接触。
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公开(公告)号：US09755096B2
公开(公告)日：2017-09-05
申请号：US14818060
申请日：2015-08-04
Applicant: Coriant Advanced Technology, LLC
Inventor： Ari Novack , Yang Liu , Yi Zhang
IPC: H01L31/107 , H01L31/028 , H01L31/0352
CPC classification number: H01L31/1075 , H01L31/02327 , H01L31/028 , H01L31/035281 , H01L31/107 , H01L31/1804 , Y02E10/50
Abstract: A lateral Ge/Si APD constructed on a silicon-on-insulator wafer includes a silicon device layer having regions that are doped to provide a lateral electric field and an avalanche region. A region having a modest doping level is in contact with a germanium body. There are no metal contacts made to the germanium body. The electrical contacts to the germanium body are made by way of the doped regions in the silicon device layer.
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公开(公告)号：US09588298B2
公开(公告)日：2017-03-07
申请号：US14798780
申请日：2015-07-14
Applicant: Coriant Advanced Technology, LLC
Inventor： Ari Novack , Ruizhi Shi , Michael J. Hochberg , Thomas Baehr-Jones
CPC classification number: G02B6/305 , G02B6/12002 , G02B6/1223 , G02B6/1228 , G02B6/125 , G02B6/132 , G02B6/134 , G02B6/136 , G02B6/14 , G02B6/2821 , G02B6/29332 , G02B2006/12121 , G02B2006/12123
Abstract: A composite optical waveguide is constructed using an array of waveguide cores, in which one core is tapered to a larger dimension, so that all the cores are used as a composite input port, and the one larger core is used as an output port. In addition, transverse couplers can be fabricated in a similar fashion. The waveguide cores are preferably made of SiN. In some cases, a layer of SiN which is provided as an etch stop is used as at least one of the waveguide cores. The waveguide cores can be spaced away from a semiconductor layer so as to minimize loses.
Abstract translation: 使用波导芯阵列来构造复合光波导，其中一个核心以更大的尺寸逐渐变细，使得所有的核心被用作复合输入端口，并且一个较大的核心用作输出端口。 此外，横向耦合器可以以类似的方式制造。 波导芯优选由SiN制成。 在一些情况下，作为蚀刻停止层提供的SiN层被用作至少一个波导芯。 波导芯可以与半导体层间隔开，以便使损失最小化。
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公开(公告)号：US09553222B2
公开(公告)日：2017-01-24
申请号：US15231822
申请日：2016-08-09
Applicant: Coriant Advanced Technology, LLC
Inventor： Thomas Wetteland Baehr-Jones , Yi Zhang , Michael J. Hochberg , Ari Novack
IPC: G01J5/20 , H01L31/028 , H01L31/0352 , H01L31/107 , H01L31/18
CPC classification number: H01L31/0352 , H01L27/14638 , H01L27/14649 , H01L27/14685 , H01L27/14698 , H01L31/0256 , H01L31/028 , H01L31/105 , H01L31/107 , H01L31/1808 , Y02E10/547
Abstract: A Ge-on-Si photodetector constructed without doping or contacting Germanium by metal is described. Despite the simplified fabrication process, the device has responsivity of 1.24 A/W, corresponding to 99.2% quantum efficiency. Dark current is 40 nA at −4 V reverse bias. 3-dB bandwidth is 30 GHz.
Abstract translation: 描述了不用金属掺杂或接合锗的Ge-on-Si光电探测器。 尽管制造工艺简单，但器件的响应度为1.24A / W，相当于99.2％的量子效率。 -4V反向偏压下的暗电流为40nA。 3 dB带宽为30 GHz。
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Patent Agency Ranking
公开(公告)号：US20160248521A1
公开(公告)日：2016-08-25
申请号：US14931796
申请日：2015-11-03
Applicant: Coriant Advanced Technology, LLC
Inventor： Matthew Akio Streshinsky , Ran Ding , Yang Liu , Ari Novack , Michael Hochberg , Alex Rylyakov
CPC classification number: H04B10/616 , G02B6/2861 , G02B6/4213 , G02B6/4266 , G02B6/4274 , G02B6/4284 , G02B6/4292 , G02F1/313 , H04B10/2507 , H04B10/40 , H04B10/50 , H04B10/614 , H04B10/615
Abstract: A skew compensation apparatus and method. In an optical system that uses optical signals, skew may be generated as the optical signals are processed from an input optical signal to at least two electrical signals representative of the phase-differentiated optical signals. A compensation of the skew is provided by including an optical delay line in the path of the optical signal that does not suffer the skew (e.g., that serves as the time base for the skew measurement). The optical delay line introduces a delay Tskew equal to the delay suffered by the optical signal that is not taken as the time base. The two signals are thereby corrected for skew.
Abstract translation: 偏斜补偿装置及方法。 在使用光信号的光学系统中，当光信号从输入光信号处理成至少两个表示相位微分光信号的电信号时，可能产生偏斜。 通过在不受歪斜的光信号的路径中包括光延迟线（例如，用作歪斜测量的时基）来提供偏斜的补偿。 光延迟线引入的延迟Tskew等于不被视为时基的光信号所遭受的延迟。 因此，两个信号被纠正为偏斜。
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公开(公告)号：US20160248519A1
公开(公告)日：2016-08-25
申请号：US14963205
申请日：2015-12-08
Applicant: Coriant Advanced Technology, LLC
Inventor： Ari Novack , Matthew Akio Streshinsky , Yangjin MA , Michael J. Hochberg
IPC: H04B10/564 , G02B6/27
CPC classification number: H04B10/564 , G02B6/00 , G02B6/2793 , H04B10/6971
Abstract: A variable power splitter apparatus and methods of using the same. In some cases, polarization dependent losses in a polarization-multiplexed system are minimized. In the systems and methods described here, in various configurations, the variable power splitter is either tunable or calibrated such that the difference in power between two optical loads is controlled to provide equal power after the respective light components traverse the respective optical loads. The result is that the average power is used. In one example, if the variable power splitter is tuned to balance the polarization dependent losses which occur in a 2:1 ratio, it would have a coupling ratio of 66/33, with the higher power going into the arm with twice the loss. The power in each path is then equal with a loss of 1.8 dB instead of 3 dB.
Abstract translation: 一种可变功率分配装置及其使用方法。 在一些情况下，极化复用系统中的偏振相关损耗最小化。 在这里描述的系统和方法中，在各种配置中，可变功率分配器是可调谐的或校准的，使得在相应的光部件穿过相应的光负载之后，两个光负载之间的功率差被控制以提供相等的功率。 结果是使用平均功率。 在一个示例中，如果可调功率分配器被调谐以平衡以2:1比例发生的偏振相关损耗，则其具有66/33的耦合比，而具有两倍损耗的较高功率进入臂。 然后，每个路径中的功率相当于1.8dB的损耗而不是3dB。
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17.发明授权公开(公告)号：US09871153B2
公开(公告)日：2018-01-16
申请号：US14864760
申请日：2015-09-24
Applicant: Coriant Advanced Technology, LLC
Inventor： Ari Novack , Ruizhi Shi , Jean Claude Labarrie
IPC: H01L31/024 , H01L31/028 , H01L31/18 , H01L31/20 , H01L27/14 , H01L27/16 , H01L23/34
CPC classification number: H01L31/024 , H01L23/345 , H01L27/14 , H01L27/1443 , H01L27/16 , H01L31/028 , H01L31/1808 , H01L31/204 , Y02E10/547
Abstract: A temperature-controlled photodetector sub-system is described. The temperature control element allows the operation of the photodetector at a desired temperature. The temperature control element can be a heater or a cooler. In some cases, the photodetector is a germanium photodetector. In some cases a temperature measuring device is provided. In some cases, a control circuit is used to control the temperature of the germanium photodetector within a temperature range, or at a temperature of interest. An advantage provided by the apparatus described is the operation of the photodetector so that the responsivity of the germanium detector can be held at essentially a constant value.
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公开(公告)号：US20170285436A1
公开(公告)日：2017-10-05
申请号：US14931875
申请日：2015-11-04
Applicant: Coriant Advanced Technology, LLC
Inventor： Michael J. Hochberg , Matthew Akio Streshinsky , Ari Novack
CPC classification number: G02F1/2257 , B82Y20/00 , G02F1/0102 , G02F1/0123 , G02F1/225 , G02F2001/217 , G02F2201/126
Abstract: A circuit that allows the control of a parameter in each arm of a Mach-Zehnder interferometer or modulator in push-pull mode using a single control terminal and a ground (or a differential driving circuit). The parameter that is controlled can be a phase shift, a modulation or an attenuation. The magnitude and the frequency of the parameter can be adjusted.
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公开(公告)号：US20170168234A1
公开(公告)日：2017-06-15
申请号：US14963842
申请日：2015-12-09
Applicant: Coriant Advanced Technology, LLC
Inventor： Ruizhi Shi , Yang Liu , Ari Novack , Yangjin Ma , Kishore Padmaraju , Michael J. Hochberg
CPC classification number: G02B6/12004 , G02B6/122 , G02B6/4277 , G02B2006/12157
Abstract: A light shield may be formed in photonic integrated circuit between integrated optical devices of the photonic integrated circuit. The light shield may be built by using materials already present in the photonic integrated circuit, for example the light shield may include metal walls and doped semiconductor regions. Light-emitting or light-sensitive integrated optical devices or modules of a photonic integrated circuit may be constructed with light shields integrally built in.
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