Open AccessDirectional release of the stored ultrashort light pulses from a tunable Bragg-grating microcavity
Author(s) -
Shenhe Fu,
Zhigui Deng,
Zhen Li,
Siqi Zhu,
Peixiong Zhang,
Hao Yin,
Yongyao Li,
Zhenqiang Chen
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.017589
Subject(s) - optics , grating , ultrashort pulse , slow light , pulse (music) , fiber bragg grating , materials science , optoelectronics , multiphoton intrapulse interference phase scan , femtosecond pulse shaping , photonic crystal , optical microcavity , diffraction grating , physics , laser , detector
We demonstrate numerically the ability for directionally releasing the stored ultrashort light pulse from a microcavity by means of two-pulse nonlinear interaction in a cascading Bragg grating structure. The setting is built by a chirped grating segment which is linked through a uniform segment, including a tunable microcavity located at the junction between the two components. Our simulations show that stable trapping of an ultrashort light pulse can be achieved in the setting. The stored light pulse in a microcavity can be possibly released, by nonlinearly interacting with the lateral incident control pulse. Importantly, by breaking the symmetry of potential cavity, the stably trapped light pulse can be successfully released from the microcavity to the expected direction. Owing to the induced optical nonlinearity, the released ultrashort light pulses could preserve their shapes, propagating in a form of Bragg grating solitons through the uniform component, which is in contrast to the extensively studied light pulse trappings in photonic crystal cavities which operate at the linear regime.