Journal of Shanghai University(Natural Science Edition) ›› 2016, Vol. 22 ›› Issue (5): 545-551.doi: 10.3969/j.issn.1007-2861.2015.02.007

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Beam splitter in optical waveguides designed by shortcuts to adiabaticity

PU Junhui, SHI Jielong, WU Renhua, CHEN Xi   

  1. College of Sciences, Shanghai University, Shanghai 200444, China
  • Received:2015-03-24 Online:2016-10-31 Published:2016-10-31

Abstract:

Shortcuts to adiabaticity have been proposed to accelerate “slow” adiabatic processes with the applications in atom, molecular and optical physics. Based on the quantum optical analogy of coupled waveguide, the coupling coefficient and propagating constant are designed by using shortcuts to adiabaticity, to realize optical beam splitters in short length. Compared with resonant and adiabatic couplers by numerical simulation, the designed waveguide is demonstrated its advantages on shorter length and high stability.

Key words:  beam splitter,  shortcuts to adiabaticity ,  waveguide coupler , integrated optics