公开(公告)号：WO2003043149A1

公开(公告)日：2003-05-22

申请号：PCT/CA2002/001751

申请日：2002-11-15

Applicant: UNIVERSITÉ LAVAL ,  DUGUAY, Michel, A. ,  LAROCHELLE, Sophie ,  GRONDIN, Étienne ,  DELTEL, Geoffroy

Inventor： DUGUAY, Michel, A. ,  LAROCHELLE, Sophie ,  GRONDIN, Étienne ,  DELTEL, Geoffroy

IPC: H01S5/14

CPC classification number: H01S5/146 ,  H01S3/0675 ,  H01S3/06791 ,  H01S3/08086 ,  H01S3/10046 ,  H01S3/107 ,  H01S3/1109 ,  H01S5/0657

Abstract: A laser cavity for generating a train of laser pulses at a selected wavelength comprises a gain medium (100); an input pulse generator for gating on an effective gain of the cavity, the generator generating pairs of pulses with a time tsel between the pulses and a time T between the pairs of pulses; a first and a second set of distributed wavelength selective reflectors (101,102) on each side of the gain medium (100), each of the reflections being spaced apart in time; the second (102) set being paired with the first set (101) wherein the pairing ensures that a total cavity round-trip delay of T is equal for all wavelengths; a delay modifier for adjusting the time tsel between the pulses and selecting a wavelength; and an output; whereby the output repetition rate of the train of laser pulses can be equal for all wavelengths reflected by the first and second sets.

Abstract translation: 用于产生所选波长的激光脉冲串的激光腔包括增益介质（100）; 输入脉冲发生器，用于门控腔的有效增益，发生器产生具有脉冲之间的时间tsel和脉冲对之间的时间T的脉冲对; 在增益介质（100）的每一侧上的第一和第二组分布式波长选择反射器（101,102），每个反射在时间上间隔开; 第二组（102）与第一组（101）配对，其中配对确保T的总谐振腔往返延迟对于所有波长是相等的; 用于调整脉冲之间的时间和选择波长的延迟修改器; 和输出; 由此激光脉冲序列的输出重复率对于由第一和第二组反射的所有波长可以相等。

公开(公告)号：WO03042737A3

公开(公告)日：2003-09-04

申请号：PCT/CA0201752

申请日：2002-11-15

Applicant: UNIV LAVAL ,  DUGUAY MICHEL A ,  GRONDIN ETIENNE

Inventor： DUGUAY MICHEL A ,  GRONDIN ETIENNE

IPC: G02B6/12 ,  G02B6/122 ,  G02B6/124 ,  G02B6/34 ,  G02B6/293

CPC classification number: G02B6/122 ,  G02B6/02066 ,  G02B6/124 ,  G02B6/2932 ,  G02B2006/12109

Abstract: An optical device for filtering an optical signal is described. The optical filtering device comprises an optical input receiving the optical signal; an elongated waveguide connected to the input and having a modified transverse dimension to create a series of partially reflective segments having predetermined effective indices of refraction (neff) with a distribution within the waveguide to provide the filtering of the optical signal, wherein the segments are designed for single mode operation and wherein a reflected filtered output optical signal is generated, wherein the transverse dimension varies within a narrow range over which a transverse size of the mode remains close to its minimum value; an optical output connected to the waveguide for providing the filtered optical signal.

Abstract translation: 描述用于滤波光信号的光学装置。 光学滤波装置包括接收光信号的光输入端; 连接到输入并且具有修改的横向尺寸的细长波导，以产生具有预定有效折射率（neff）的一系列部分反射段，其具有在波导内的分布，以提供光信号的滤波，其中所述段被设计 用于单模操作，并且其中产生反射的滤波输出光信号，其中横向尺寸在窄范围内变化，在该范围内，模式的横向尺寸保持接近其最小值; 连接到波导的光输出端用于提供滤波后的光信号。

公开(公告)号：WO2003042737A2

公开(公告)日：2003-05-22

申请号：PCT/CA2002/001752

申请日：2002-11-15

Applicant: UNIVERSITÉ LAVAL ,  DUGUAY, Michel, A. ,  GRONDIN, Étienne

Inventor： DUGUAY, Michel, A. ,  GRONDIN, Étienne

IPC: G02B6/293

CPC classification number: G02B6/122 ,  G02B6/02066 ,  G02B6/124 ,  G02B6/2932 ,  G02B2006/12109

Abstract: An optical device for filtering an optical signal is described. The optical filtering device comprises an optical input receiving the optical signal; an elongated waveguide connected to the input and having a modified transverse dimension to create a series of partially reflective segments having predetermined effective indices of refraction (neff) with a distribution within the waveguide to provide the filtering of the optical signal, wherein the segments are designed for single mode operation and wherein a reflected filtered output optical signal is generated, wherein the transverse dimension varies within a narrow range over which a transverse size of the mode remains close to its minimum value; an optical output connected to the waveguide for providing the filtered optical signal.

Abstract translation: 描述用于滤波光信号的光学装置。 光学滤波装置包括接收光信号的光输入端; 连接到输入并且具有修改的横向尺寸的细长波导，以产生具有预定有效折射率（neff）的一系列部分反射段，其具有在波导内的分布，以提供光信号的滤波，其中所述段被设计 用于单模操作，并且其中产生反射的滤波输出光信号，其中横向尺寸在窄范围内变化，在该范围内，模式的横向尺寸保持接近其最小值; 连接到波导的光输出端用于提供滤波后的光信号。

公开(公告)号：WO03043149B1

公开(公告)日：2003-09-12

申请号：PCT/CA0201751

申请日：2002-11-15

Applicant: UNIV LAVAL ,  DUGUAY MICHEL A ,  LAROCHELLE SOPHIE ,  GRONDIN ETIENNE ,  DELTEL GEOFFROY

Inventor： DUGUAY MICHEL A ,  LAROCHELLE SOPHIE ,  GRONDIN ETIENNE ,  DELTEL GEOFFROY

IPC: H01S3/067 ,  H01S3/098 ,  H01S5/065 ,  H01S5/10 ,  H01S5/14 ,  H01S5/50

CPC classification number: H01S5/146 ,  H01S3/0675 ,  H01S3/06791 ,  H01S3/08086 ,  H01S3/10046 ,  H01S3/107 ,  H01S3/1109 ,  H01S5/0657

Abstract: A laser cavity for generating a train of laser pulses at a selected wavelength comprises a gain medium (100); an input pulse generator for gating on an effective gain of the cavity, the generator generating pairs of pulses with a time tsel between the pulses and a time T between the pairs of pulses; a first and a second set of distributed wavelength selective reflectors (101,102) on each side of the gain medium (100), each of the reflections being spaced apart in time; the second (102) set being paired with the first set (101) wherein the pairing ensures that a total cavity round-trip delay of T is equal for all wavelengths; a delay modifier for adjusting the time tsel between the pulses and selecting a wavelength; and an output; whereby the output repetition rate of the train of laser pulses can be equal for all wavelengths reflected by the first and second sets.

Abstract translation: 用于产生选定波长的激光脉冲序列的激光腔包括增益介质（100）; 输入脉冲发生器，用于门控空腔的有效增益，发生器产生脉冲对之间的时间tsel和脉冲对之间的时间T; 在增益介质（100）的每一侧上的第一和第二组分布式波长选择反射器（101,102），每个反射在时间上间隔开; 所述第二组（102）与所述第一组（101）配对，其中所述配对确保T的总谐振往返延迟对所有波长相等; 延迟修改器，用于调整脉冲之间的时间tsel并选择波长; 和输出; 由此对于由第一组和第二组反射的所有波长，激光脉冲串的输出重复率可以相等。