Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 25251-25264 |
| Seitenumfang | 14 |
| Fachzeitschrift | Optics Express |
| Jahrgang | 27 |
| Ausgabenummer | 18 |
| Frühes Online-Datum | 22 Aug. 2019 |
| Publikationsstatus | Veröffentlicht - 2 Sept. 2019 |
Abstract
The ability of laser systems to emit different adjustable temporal pulse profiles and patterns is desirable for a broad range of applications. While passive mode-locking techniques have been widely employed for the realization of ultrafast laser pulses with mainly Gaussian or hyperbolic secant temporal profiles, the generation of versatile pulse shapes in a controllable way and from a single laser system remains a challenge. Here we show that a nonlinear amplifying loop mirror (NALM) laser with a bandwidth-limiting filter (in a nearly dispersion-free arrangement) and a short integrated nonlinear waveguide enables the realization and distinct control of multiple mode-locked pulsing regimes (e.g., Gaussian pulses, square waves, fast sinusoidal-like oscillations) with repetition rates that are variable from the fundamental (7.63 MHz) through its 205th harmonic (1.56 GHz). These dynamics are described by a newly developed and compact theoretical model, which well agrees with our experimental results. It attributes the control of emission regimes to the change of the NALM response function that is achieved by the adjustable interplay between the NALM amplification and the nonlinearity. In contrast to previous square wave emissions, we experimentally observed that an Ikeda instability was responsible for square wave generation. The presented approach enables laser systems that can be universally applied to various applications, e.g., spectroscopy, ultrafast signal processing and generation of non-classical light states.
ASJC Scopus Sachgebiete
- Physik und Astronomie (insg.)
- Atom- und Molekularphysik sowie Optik
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in: Optics Express, Jahrgang 27, Nr. 18, 02.09.2019, S. 25251-25264.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Highly reconfigurable hybrid laser based on an integrated nonlinear waveguide
AU - Aadhi, A.
AU - Kovalev, Anton V.
AU - Kues, Michael
AU - Roztocki, Piotr
AU - Reimer, Christian
AU - Zhang, Yanbing
AU - Wang, Tao
AU - Little, Brent E.
AU - Chu, Sai T.
AU - Wang, Zhiming
AU - Moss, David J.
AU - Viktorov, Evgeny A.
AU - Morandotti, Roberto
N1 - Funding Information: Natural Sciences and Engineering Research Council of Canada; Mitacs; Canada Research Chairs; H2020 Marie Skłodowska-Curie Actions (656607); 1000 Talents Sichuan Program; Australian Research Council (DP150104327); Government Council on Grants, Russian Federation (08-08); ITMO University (08-08); Chinese Academy of Sciences (XDB24030000); City University of Hong Kong (9610356).
PY - 2019/9/2
Y1 - 2019/9/2
N2 - The ability of laser systems to emit different adjustable temporal pulse profiles and patterns is desirable for a broad range of applications. While passive mode-locking techniques have been widely employed for the realization of ultrafast laser pulses with mainly Gaussian or hyperbolic secant temporal profiles, the generation of versatile pulse shapes in a controllable way and from a single laser system remains a challenge. Here we show that a nonlinear amplifying loop mirror (NALM) laser with a bandwidth-limiting filter (in a nearly dispersion-free arrangement) and a short integrated nonlinear waveguide enables the realization and distinct control of multiple mode-locked pulsing regimes (e.g., Gaussian pulses, square waves, fast sinusoidal-like oscillations) with repetition rates that are variable from the fundamental (7.63 MHz) through its 205th harmonic (1.56 GHz). These dynamics are described by a newly developed and compact theoretical model, which well agrees with our experimental results. It attributes the control of emission regimes to the change of the NALM response function that is achieved by the adjustable interplay between the NALM amplification and the nonlinearity. In contrast to previous square wave emissions, we experimentally observed that an Ikeda instability was responsible for square wave generation. The presented approach enables laser systems that can be universally applied to various applications, e.g., spectroscopy, ultrafast signal processing and generation of non-classical light states.
AB - The ability of laser systems to emit different adjustable temporal pulse profiles and patterns is desirable for a broad range of applications. While passive mode-locking techniques have been widely employed for the realization of ultrafast laser pulses with mainly Gaussian or hyperbolic secant temporal profiles, the generation of versatile pulse shapes in a controllable way and from a single laser system remains a challenge. Here we show that a nonlinear amplifying loop mirror (NALM) laser with a bandwidth-limiting filter (in a nearly dispersion-free arrangement) and a short integrated nonlinear waveguide enables the realization and distinct control of multiple mode-locked pulsing regimes (e.g., Gaussian pulses, square waves, fast sinusoidal-like oscillations) with repetition rates that are variable from the fundamental (7.63 MHz) through its 205th harmonic (1.56 GHz). These dynamics are described by a newly developed and compact theoretical model, which well agrees with our experimental results. It attributes the control of emission regimes to the change of the NALM response function that is achieved by the adjustable interplay between the NALM amplification and the nonlinearity. In contrast to previous square wave emissions, we experimentally observed that an Ikeda instability was responsible for square wave generation. The presented approach enables laser systems that can be universally applied to various applications, e.g., spectroscopy, ultrafast signal processing and generation of non-classical light states.
UR - http://www.scopus.com/inward/record.url?scp=85071585004&partnerID=8YFLogxK
U2 - 10.1364/OE.27.025251
DO - 10.1364/OE.27.025251
M3 - Article
C2 - 31510400
AN - SCOPUS:85071585004
VL - 27
SP - 25251
EP - 25264
JO - Optics Express
JF - Optics Express
SN - 1094-4087
IS - 18
ER -