Compression of femtosecond light pulses by one-dimensional photonic crystals with two-component relaxing nonlinearity

Autor:	Vlasov Ra, Smirnov Ag
Rok vydání:	1999
Předmět:	Materials science business.industry Band gap Physics::Optics Physical optics Yablonovite Optics Distortion Femtosecond Nonlinear photonic crystal Optoelectronics Relaxation (physics) business Photonic crystal
Zdroj:	Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. 61(5B)
ISSN:	1063-651X
Popis:	The compression of ultrashort light pulses in a one-dimensional nonlinear photonic crystal is investigated for light frequencies lying outside the forbidden gap of a periodic structure taking into account the delayed nonlinear response of a medium. It is shown that the relatively slow-responding defocusing nonlinearity can suppress the distortion of Bragg solitons caused by the relaxation of the fast self-focusing component and improve the compression efficiency. Stable optical quasisoliton propagation of light pulses and their compression are numerically confirmed for both band gap composite materials and photonic crystals with alternating layers of different types of nonlinearity.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::513993611294809f62d2ae23bd798920 https://pubmed.ncbi.nlm.nih.gov/11031641 Zobrazit plný text záznamu