Shuo Yen Tseng
Affiliation: National Cheng Kung University
- Variable-ratio power splitters using computer-generated planar holograms on multimode interference couplersShuo Yen Tseng
School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Opt Lett 34:512-4. 2009..Devices are fabricated on the silicon-on-insulator platform and characterized at a wavelength of 1.55 mum. Power-splitting ratios are varied by changing the hologram etch depth and the hologram length...
- Engineering of fast mode conversion in multimode waveguidesShuo Yen Tseng
Department of Photonics, National Cheng Kung University, Tainan 701, Taiwan
Opt Lett 37:5118-20. 2012..We show that the invariant-based inverse engineering scheme reduces mode converter length as compared to the common adiabatic scheme...
- Diffraction engineering of multimode waveguides using computer-generated planar hologramsShuo Yen Tseng
Department of Electro Optical Engineering, National Cheng Kung University, Tainan, Taiwan
Opt Express 17:21465-71. 2009..Calculations based on the coupled-mode theory are presented. Devices are designed based on a silicon-on-insulator (SOI) platform. Beam propagation simulations are used to verify the coupled-mode theory analysis...
- Design and simulation of multimode interference based demultiplexers aided by computer-generated planar hologramsMing Chan Wu
Department of Electro Optical Engineering, National Cheng Kung University, No 1 University Road, Tainan 701, Taiwan
Opt Express 18:11270-5. 2010..31 microm input to the cross output port. The design and optimization of the holographic pattern is presented. The device performance is investigated using the beam propagation method...
- Mode conversion using optical analogy of shortcut to adiabatic passage in engineered multimode waveguidesTzung Yi Lin
Department of Photonics, National Cheng Kung University, Tainan, Taiwan
Opt Express 20:24085-92. 2012..We show reduced device length using the shortcut scheme as compared to the common adiabatic scheme. Modal evolution in the shortened device indeed follows the adiabatic eigenmode exactly amid the violation of adiabatic criterion...