Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36197
Title: Tunable fractional-order photonic differentiator based on the inverse Raman scattering in a silicon microring resonator
Authors: Jin, BY
Yuan, JH
Yu, CX
Sang, XZ
Wu, Q
Li, F
Wang, KR
Yan, BB
Farrell, G
Wai, PKA 
Issue Date: 2015
Publisher: Optical Society of America
Source: Optics express, 2015, v. 23, no. 9, p. 11141-11151 How to cite?
Journal: Optics express 
Abstract: A novel photonic fractional-order temporal differentiator is proposed based on the inverse Raman scattering (IRS) in the side-coupled silicon microring resonator. By controlling the power of the pump lightwave, the intracavity loss is adjusted and the coupling state of the microring resonator can be changed, so the continuously tunable differentiation order is achieved. The influences of input pulse width on the differentiation order and the output deviation are discussed. Due to the narrow bandwidth of IRS in silicon, the intracavity loss can be adjusted on a specific resonance while keeping the adjacent resonances undisturbed. It can be expected that the proposed scheme has the potential to realize different differentiation orders simultaneously at different resonant wavelengths.
URI: http://hdl.handle.net/10397/36197
EISSN: 1094-4087
DOI: 10.1364/OE.23.011141
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