Two-frequency laser with distributed feedback formed by a space charge wave

Zolotovskii, I. O.; Panyaev, Ivan S.; Sannikov, D. G.

doi:10.1007/s11082-019-2090-7

Cited by 2 publications

(1 citation statement)

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“…Note that each intraband mode is split into two sub-peaks, which is in a good agreement with the previously shown properties. Indeed, it was shown [43] that the number of the subpeaks of the intraband mode equals to (K1). Comparing the obtained transmission spectra with those for biperiodic PCs [18,19,20,22,27,], as well as to the spectra of multiperiodic PCs with more complex structure of the subcells [44], one can say that such a splitting of the intraband modes is a common property of the transmission spectra of all the multiperiodic structures.…”

Section: A Transmission Spectramentioning

confidence: 99%

Three-periodic 1D photonic crystals for designing the photonic optical devices operating in the infrared regime

2021

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We investigate theoretically and numerically one-dimensional three-periodic photonic crystals of the structure [ ( S i O 2 / T i O 2 ) N ( A l 2 O 3 / Z r O 2 ) M ] K , formed by dielectric oxides S i O 2 , T i O 2 , A l 2 O 3 , and Z r O 2 ( N and M are the number of subperiods, and K is the number of superperiods). We study the transmission spectra, energy and power fluxes of TE- and TM-polarized electromagnetic waves for a photonic crystal, characterized by the sharp PBG edges, and narrow and pronounced peaks of defect modes. The angular distance (difference in the incidence angles) between the transmission peaks of different polarizations is shown to be about 1.5°, which is 5 times more than in the ternary photonic crystals. The results can be useful for designing highly efficient optical devices operating in the infrared regime on the side-surface of the photonic crystal, such as polarization-sensitive couplers and angle sensors for optical fiber systems.

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Section: A Transmission Spectramentioning

confidence: 99%