Superchirped moiré grating based on an acousto-optic superlattice with a chirped fiber Bragg grating.
A superchirped moiré grating has multiple superimposed chirped Bragg gratings. We show that a superchirped moiré grating can be formed in an acousto-optic superlattice with a chirped fiber Bragg grating. There are multiple transmission peaks related to Fabry-Perot resonance in the transmission spectrum. The peak spacing is varied by the acoustic frequency. The proposed devices can be used as tunable multiple-passband transmission filters and switches.
Chen
X F
XF
State Key Laboratory on Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China.
Ma
Z B
ZB
Li
W H
WH
Yin
X N
XN
Wu
Z J
ZJ