Dissipative solitons in photonic molecules

Helgason, Óskar B.; Arteaga-Sierra, Francisco R.; Ye, Zhichao; Twayana, Krishna; Andrekson, P.A.; Karlsson, Magnus; Schröder, Jochen; Torres-Company, Víctor

doi:10.1038/s41566-020-00757-9

Cited by 127 publications

(93 citation statements)

References 37 publications

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“…This work unravels the role of the phase noise of the pump and its interplay with the cavity soliton dynamics, and elucidates the ultimate limits in phase coherence achievable in soliton microcombs. While here we focused on dissipative Kerr solitons in anomalous dispersion cavities, we anticipate that the location of the fixed point could be drastically different in other dissipative soliton states, such as multiple solitons [46], crystals [47,48] or in novel cavity arrangements [49][50][51][52].…”

Section: Discussionmentioning

confidence: 99%

Fundamental optical linewidth of soliton microcombs

Lei

Fülöp

et al. 2021

Preprint

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Soliton microcombs provide a versatile platform for realizing fundamental studies and technological applications. To be utilized as frequency rulers for precision metrology, soliton microcombs must display broadband phase coherence, a parameter characterized by the optical phase or frequency noise of the comb lines and their corresponding optical linewidths. Here, we analyze the optical phase-noise dynamics in soliton microcombs and show that, because of the Raman self-frequency shift, the fundamental linewidth of some of the comb lines can, surprisingly, be narrower than the linewidth of the pump laser. This work elucidates information about the ultimate limits in phase coherence of soliton microcombs and illustrates a new strategy for the generation of spectrally coherent light on chip.

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Section: Discussionmentioning

confidence: 99%

Fundamental optical linewidth of soliton microcombs

Lei

Fülöp

et al. 2021

Preprint

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“…While single cavity DSs have been thoroughly investigated in the last years, recent efforts have moved towards photonic molecules (linearly coupled cavities). These arrangements give rise to exotic physical phenomena [2,3] and practical improvements in terms of conversion efficiency and tuneable comb dynamics [4,5]. In a recent study of normal dispersion photonic molecules [3], we found that DSs can be generated in absence of intracavity CW bistability.…”

mentioning

confidence: 85%

“…These arrangements give rise to exotic physical phenomena [2,3] and practical improvements in terms of conversion efficiency and tuneable comb dynamics [4,5]. In a recent study of normal dispersion photonic molecules [3], we found that DSs can be generated in absence of intracavity CW bistability. Here, we show that this feature enables the CW initiation of DSs, tuning the laser into resonance either from the blue side or the red side.…”

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confidence: 85%

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Bidirectional initiation of dissipative solitons in photonic molecules

Helgason

Schröder

et al. 2021

2021 Conference on Lasers and Electro-Optics Europe &Amp; European Quantum Electronics Conference (CLEO/Europe-EQEC)

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“…The term "photonic molecules" refers to a system of optically coupled microcavities (as atoms) that is an optical analog to chemical molecules, where hybridization of electronic orbitals is replaced by an optical supermode via coupling between microcavities. [1][2][3][4][5] The coherent coupling in photonic molecules may manipulate the resonance modes of microcavities to realize active and nonlinear units in photonic circuits, including microlasers, [6][7][8] biological sensors, [9,10] on-chip communication and computing devices. [11][12][13] The capability of assembling photonic molecules into various sizes and shapes is thus essential to control the propagation of photons precisely influenced by a relatively low external field.…”

Section: Introductionmentioning

confidence: 99%

Magnetically Controlled Assembly of Dielectric Microspheres toward Photonic Molecules

Yin

Dai

et al. 2021

Adv Funct Materials

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The construction of "photonic molecules" with controlled sizes and shapes is of particular interest for the integration of miniaturized devices into optoelectronic chips. Here, a general approach is reported that allows the assembly of colloidal microspheres into coupled microcavities with high yield and large scale, utilizing magnetostatic interactions between diamagnetic building blocks dispersed in a ferrofluid under an external field. By precisely designing the local field gradient around diamagnetic microspheres, "virtual templates" can be formed to produce various coupled photonic structures, including diatomic heterogeneous molecules and polyatomic chain molecules. The diatomic structures can modulate the optical resonance modes upon the coherent coupling between microsphere cavities and serve as single-mode wavelength-tunable microlasers. The chain photonic molecules, as coupled resonator optical waveguides, could modulate the light propagation and store photons up to tens of picoseconds. The magnetically controlled assembly method is demonstrated, which provides a promising way for the facile and efficient fabrication of coupled microstructures for fascinating photonic and optoelectronic applications.

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Dissipative solitons in photonic molecules

Cited by 127 publications

References 37 publications

Fundamental optical linewidth of soliton microcombs

Fundamental optical linewidth of soliton microcombs

Bidirectional initiation of dissipative solitons in photonic molecules

Magnetically Controlled Assembly of Dielectric Microspheres toward Photonic Molecules

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