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A feasible order-arbitrarily-tunable optical differentiator
- Source :
- Optical and Quantum Electronics. 51
- Publication Year :
- 2019
- Publisher :
- Springer Science and Business Media LLC, 2019.
-
Abstract
- We propose a feasible temporal filtering (or spectrum weighting) system to implement optical differentiation with arbitrarily-tunable order. Differentiation order is tuned by programming the temporal weighting mask (TWM) as power function of different exponents, not limited by the structure of the system. Assembly of the system is feasible, since the active parts are implemented by electro-optic elements and some key elements are reused between sub-systems involved in the scheme. Tuning of the system is simple, since electronically pre-stored TWMs are easy to switch among each other. The order-tunable functionality is verified by numerically testing the differentiation cases of normalized input pulse duration ranging from 0.1 to 0.4, and of differentiation order tuned from 1 to 10. Good accuracy is achieved, and measured by root mean square error lower than 0.1. Feasibilities of the system are also verified in terms of accuracy maintaining and distortion avoiding. Compared with existing methods, apart from the arbitrary order-tunable capacity and good accuracy, our proposed optical differentiator also possesses properties of good compactness and constant complexity. The proposed differentiator has unique applications on multi-peak waveform generation for optical communications and photonics-aided Radars with enhanced agility and feasibility.
- Subjects :
- Mean squared error
Computer science
Optical communication
Pulse duration
Ranging
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Weighting
010309 optics
Differentiator
Distortion
0103 physical sciences
Electronic engineering
Waveform
Electrical and Electronic Engineering
0210 nano-technology
Subjects
Details
- ISSN :
- 1572817X and 03068919
- Volume :
- 51
- Database :
- OpenAIRE
- Journal :
- Optical and Quantum Electronics
- Accession number :
- edsair.doi...........11853c255490f952b11d89dcf24e14c8