A Quasi-classical Model for Delineation of Dynamical States and Chaotic Maps in a Spaser

Sharif, Morteza A.; Ashabi, K.

doi:10.1007/s11468-020-01269-6

Cited by 2 publications

(2 citation statements)

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“…Several experimental and theoretical proposals for both photonic [ 8–21 ] and plasmonic [ 22–26 ] nanolasers have demonstrated the feasibility to automatically start a pulsed lasing state under continuous wave (CW) excitation, paving the way for the integration of ultra‐fast lasers at the nanoscale. Following the ideas developed for conventional “macroscopic” lasers, they are based on the well‐known mechanisms of mode‐competition, passive Q‐switching and mode‐locking.…”

Section: Introductionmentioning

confidence: 99%

“…With the advent of new and improved technologies of micro and nanofabrication, new types of miniaturized lasers have started to be implemented and investigated [1][2][3]5] that allow not only dense integration into photonic circuitry but enable the control of both light-matter coupling strengths and light transport properties, opening up new opportunities to study novel fundamental laser phenomena. [6,7] Several experimental and theoretical proposals for both photonic [8][9][10][11][12][13][14][15][16][17][18][19][20][21] and plasmonic [22][23][24][25][26] nanolasers have demonstrated the feasibility to automatically start a pulsed lasing state under continuous wave (CW) excitation, paving the way for the integration of ultra-fast lasers at the nanoscale. Following the ideas DOI: 10.1002/andp.202100122 developed for conventional "macroscopic" lasers, they are based on the well-known mechanisms of modecompetition, passive Q-switching and mode-locking.…”

Section: Introductionmentioning

confidence: 99%

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Ultrashort Pulse Generation in Nanolasers by Means of Lorenz–Haken Instabilities

Cerdán

2021

Annalen der Physik

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Nearly half a century ago, the German physicist Hermann Haken proved that the laser dynamics could be described, under certain conditions, by the Lorenz equations, the paradigm of deterministic chaos. Unfortunately, its experimental realization has remained elusive for conventional laser materials and cavities mostly due to the extreme pumping conditions and the low cavity quality factors (“bad‐cavity condition”) required to achieve Lorenz–Haken (L‐H) self‐pulsing dynamics upon continuous wave excitation. In this paper, it is theoretically proved that dielectric and plasmonic nanolasers, that can naturally fulfill the bad‐cavity condition, may overcome the limitations of macroscopic cavities and make the observation of L‐H instabilities in visible‐IR solid‐state materials become a reality. Remarkably, the adequate choice of active material and cavity design enables the generation of trains of ultrashort pulses in the sub‐ps regime and with MHz–GHz repetition rates without the need of resorting to neither mode‐locking nor Q‐switching techniques. Thus, the results reported in this manuscript unveil a new paradigm in the generation of ultrashort pulses at the nanoscale.

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Section: Introductionmentioning

confidence: 99%