公开(公告)号：WO2003069383A2

公开(公告)日：2003-08-21

申请号：PCT/GB2003/000605

申请日：2003-02-11

Applicant: BOOKHAM TECHNOLOGY PLC

Inventor： BETTY, Ian ,  POIRIER, Maxime

IPC: G02B6/00

CPC classification number: G02B6/14 ,  G02B6/12004 ,  G02B6/2813 ,  G02B2006/1215

Abstract: Through the introduction of an imaging multimode interference device in an integrated optical circuit, such performance degradations as lateral waveguide field oscillations and backreflections may be suppressed. The suppression of lateral waveguide field oscillations (that may occur due to misaligned optical coupling), in particular, can significantly reduce variations in the power splitting ratio of an optical power splitting structure, such as those employed by a Mach-Zehnder modulator.

Abstract translation: 通过在集成光电路中引入成像多模干扰装置，可以抑制诸如横向波导场振荡和反向反射的性能劣化。 特别是可能由于不对准的光耦合而发生的横向波导场振荡的抑制可以显着地减少诸如由马赫 - 曾德尔调制器采用的光功率分离结构的功率分配比的变化。

公开(公告)号：WO2004030242A1

公开(公告)日：2004-04-08

申请号：PCT/GB2003/004161

申请日：2003-09-26

Applicant: BOOKHAM TECHNOLOGY PLC

Inventor： PROSYK, Kelvin ,  BETTY, Ian

IPC: H04B10/18

CPC classification number: G02F1/225 ,  G02F2201/126 ,  G02F2203/25

Abstract: An electro-optic modulator having a continuously adjustable chirp is provided. Optical signals input into the electro-optic modulator are divided into portions which are phase modulated in opposite senses, one portion imparted with a positive chirp and the other with a negative chirp. Variable couplers are used to adjust (by way of adjusting their coupling ratios) the amount of power allocated between the optical signals contributing to the positive chirp and the power of signals contributing to the negative chirp so that when the optical signals are combined an optical signal with an adjustable chirp is produced.

Abstract translation: 提供具有连续可调啁啾的电光调制器。 输入到电光调制器中的光信号被分成相反的相位调制的部分，一部分赋予正的啁啾声，另一部分被赋予负的啁啾声。 可变耦合器用于调整（通过调整它们的耦合比）在有助于正线性调频脉冲的光信号和分配给负啁啾的信号的功率之间分配的功率量，使得当光信号被组合时，光信号 产生可调啁啾声。

公开(公告)号：EP1550246A1

公开(公告)日：2005-07-06

申请号：EP03756549.6

申请日：2003-09-26

Applicant: Bookham Technology PLC

Inventor： PROSYK, Kelvin ,  BETTY, Ian

IPC: H04B10/18 ,  G02F1/225

CPC classification number: G02F1/225 ,  G02F2201/126 ,  G02F2203/25

Abstract: An electro-optic modulator having a continuously adjustable chirp is provided. Optical signals input into the electro-optic modulator are divided into portions which are phase modulated in opposite senses, one portion imparted with a positive chirp and the other with a negative chirp. Variable couplers are used to adjust (by way of adjusting their coupling ratios) the amount of power allocated between the optical signals contributing to the positive chirp and the power of signals contributing to the negative chirp so that when the optical signals are combined an optical signal with an adjustable chirp is produced.

公开(公告)号：EP1474713A2

公开(公告)日：2004-11-10

申请号：EP03702747.1

申请日：2003-02-11

Applicant: Bookham Technology PLC

Inventor： BETTY, Ian ,  POIRIER, Maxime

IPC: G02B6/293 ,  G02B6/28

CPC classification number: G02B6/14 ,  G02B6/12004 ,  G02B6/2813 ,  G02B2006/1215

Abstract: Through the introduction of an imaging multimode interference device in an integrated optical circuit, such performance degradations as lateral waveguide field oscillations and backreflections may be suppressed. The suppression of lateral waveguide field oscillations (that may occur due to misaligned optical coupling), in particular, can significantly reduce variations in the power splitting ratio of an optical power splitting structure, such as those employed by a Mach-Zehnder modulator.