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公开(公告)号：EP4000773B1
公开(公告)日：2024-07-31
申请号：EP21202536.5
申请日：2021-10-13
IPC分类号： B22F10/20 , B33Y10/00 , B33Y30/00 , B22F12/49 , B22F10/366 , G02B26/10 , H01S3/106 , B23K26/06 , G02F1/33
CPC分类号： B33Y30/00 , B33Y10/00 , B22F10/20 , B22F12/49 , B22F10/366 , B23K26/342 , B23K26/082 , H01S3/0071 , B23K26/0652 , G02B26/105 , G02F1/33 , Y02P10/25
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3.发明公开
公开(公告)号：EP4375880A1
公开(公告)日：2024-05-29
申请号：EP23211296.1
申请日：2023-11-21
CPC分类号： G06N3/067 , G06N3/049 , H01S5/4025 , H01S5/14 , H01S5/041 , H01S3/1061 , H01S3/1022
摘要： L'invention porte sur un dispositif laser impulsionnel comportant :
o une source laser impulsionnelle 10 hybride de type III/V sur silicium, comportant une section à gain 12 et une section absorbante saturable 13 qui reposent sur un substrat photonique 20, et un guide d'onde longitudinal 21 situé dans le substrat photonique 20 ;
o un dispositif optique de commande 30, 40, comportant une source émettrice 31, 41 d'impulsions optiques et un guide d'onde latéral 32, 42 situé dans le substrat photonique 20 ;
o les guides d'onde 21, 32, 42 étant dimensionnés de sorte que le facteur de confinement ΓIae/SA, ΓIai/G dans les puits quantiques de la section correspondante 13, 12, du mode optique du guide d'onde latéral 32, 42, est supérieur au facteur de confinement ΓL/ms, dans les puits quantiques du milieu semiconducteur 11, du mode optique du guide d'onde longitudinal 21.-
公开(公告)号：EP3467969B1
公开(公告)日：2024-01-10
申请号：EP17802941.9
申请日：2017-05-26
发明人： ISHII, Hiroyasu , WADA, Takatsugu , TSUBOTA, Keiji
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公开(公告)号：EP4300729A1
公开(公告)日：2024-01-03
申请号：EP23182427.7
申请日：2023-06-29
申请人： UAB "Ekspla"
发明人： BARTULEVICIUS, Tadas
摘要： This invention relates to methods and devices for controlling a chirp and duration of a laser radiation pulse. At the same time, pulse energy is also controlled. The device of the present invention includes a ring optical circuit featuring laser beam diffraction compensation, dispersion and amplification. The ultrashort input pulse makes a predetermined number of roundtrips. During each roundtrip of the ring optical circuit, an amplified phase-modulated (chirped) pulse is formed, part of which is outcoupled as an output pulse. A sequence of output pulses of different durations is formed. One output pulse of the required duration is extracted from said sequence of output pulses with the help of an optical switch. Since the energy of the pulse is restored or increased at each roundtrip of the ring optical circuit, the number of roundtrips is unlimited. Duration of the pulses is varied within a wide range of values from several hundred femtoseconds to several tens of nanoseconds, preserving a coherence length not larger than 300 µm. The device of the present invention can be used as a very compact, purely electronically controlled and with flexible parameters pulse stretcher in a chirped pulse amplification system.
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公开(公告)号：EP3622592B1
公开(公告)日：2023-11-29
申请号：EP18727560.7
申请日：2018-05-09
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公开(公告)号：EP4173091A1
公开(公告)日：2023-05-03
申请号：EP21737017.0
申请日：2021-06-23
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8.发明公开
公开(公告)号：EP4096509A2
公开(公告)日：2022-12-07
申请号：EP21776191.5
申请日：2021-01-29
发明人： VAKOC, Benjamin , KIM, Tae, Shik
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公开(公告)号：EP3646112B1
公开(公告)日：2022-03-09
申请号：EP18739907.6
申请日：2018-06-13
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公开(公告)号：EP1849029B2
公开(公告)日：2021-12-15
申请号：EP06709479.7
申请日：2006-02-03
发明人： SALIN, François , LIMPERT, Jens
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