Weidong Zhou, Ph.D.
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Dr. Zhou graduated from the University of Michigan, Ann Arbor in 2001, with a Ph.D. degree in Electrical Engineering. He worked on optical transceivers for optical communication systems at CIENA Corporation, before joining University of Texas at Arlington in 2004. Dr. Zhou's nanophotonic device research group is carrying out various active research projects in the areas of photonic crystal infrared photodetectors, silicon based detectors, sources, and modulators, cost effective solar cells, etc, based on photonic crystals, semiconductor nanomembranes, quantum dots, and other nanoscale structure. The group works on all aspects of device research, including design, simulation, fabrication, and characterization. The research funding support comes from NSF, AFRL, AFOSR, ONR, CONTACT, SBIR, UT TIF, and DoD MURI etc.
Dr. Zhou has authored and co-authored over 110 journal publications and conference presentations, including over a dozen invited conference talks. He has also delivered many invited seminar talks in various universities and industrial labs and companies. He holds one issued US patent, with three more pending patent disclosures. Dr. Zhou's major awards include Research Excellence Awards from UTA College of Engineering (2007, 2008), Research Enhancement Program award from UTA (2005), Rackham Predoctoral Fellow award (Univ. of Michigan, 2000-2001), IEEE/LEOS Graduate Student Fellowship award (IEEE/LEOS, 2000), Outstanding Graduates Award (Tsinghua Univ., Gold medal, 1993), and Outstanding Student of Beijing City (Beijing, 1992), etc.
- 2001 - PhD in Solid State/Optoelectronics, University of Michigan, Ann Arbor
- 1996 - ME in Electrical Engineering, Tsinghua University
- 1993 - BS in Electrical Engineering, Tsinghua University
wzhou@uta.edu
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Recent Submissions
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Coupled Bilayer Photonic Crystal Slab Electro-Optic Spatial Light Modulators
(IEEEDepartment of Electrical Engineering, The University of Texas at Arlington, March 1, 2)We demonstrate here a surface-normal ultracompact Fano resonance electro-optic spatial light modulator employing a stacked photonic crystal membrane capacitor-like structure. Vertically coupled optical resonance near 1.5 ... -
Optical Refractive Index Sensing Based on High-Q Bound States in the Continuum in Free-Space Coupled Photonic Crystal Slabs
(MDPIDepartment of Electrical Engineering, The University of Texas at Arlington, 2017-08-11)High sensitivity (S) and high quality factor (Q) are desirable to achieve low detection limit in label-free optical sensors. In this paper, we theoretically demonstrate that single-layer and coupled bi-layer photonic crystal ... -
Resonance control of membrane reflectors with effective index engineering
(IEEE, 2009-07-14)We report here broadband membrane reflectors based on Fano resonances in patterned silicon nanomembranes. Resonance control of the reflectors was realized either by partially removing buried oxide layer underneath the ... -
Large-area InP-based crystalline nanomembrane flexible photodetectors
(IEEE, 2010-03-25)Large-area (3x3 mm2) flexible photodetectors were realized, based on crystalline InP semiconductor nanomembranes transferred to flexible polyethylene terephthalate substrates. Very low dark current a few microamperes ... -
Colloidal quantum dot absorption enhancement in flexible Fano filters
(IEEE, 2010-02-25)We report here modified absorption property of colloidal quantum dots CQDs inside flexible Fano filters—made of patterned single crystalline silicon nanomembrane transferred onto flexible plastic substrates. Enhanced ... -
Fano filters based on transferred silicon nanomembranes on plastic substrates
(IEEE, 2008-08-13)We report here the characteristics of surface-normal optical filters based on Fano resonances on patterned single crystalline silicon nanomembranes SiNMs , which were fabricated and transferred onto transparent plastic ... -
Encapsulation for efficient electrical injection of photonic crystal defect mode surface-emitting lasers
(IEEE, 2006-01-31)We propose and report an encapsulated photonic crystal concept for efficient electrical injection of photonic crystal surface-emitting lasers. Detailed rate equation analysis reveals a significant threshold current ... -
Surface texturing by solution deposition for omnidirectional antireflection
(Original publisher: Applied Physics LettersUniversity of Texas at ArlingtonDepartment of Electrical Engineering, 2007-08)Surface texturing by solution deposition has been developed for antireflection in solar cells. The surface texture is formed by a monolayer of microscale silica particles partially immersed into a spin-on-glass film with ... -
Solution-processed omnidirectional antireflection coatings on amorphous silicon solar cells
(Original publisher: Journal of Applied PhysicsUniversity of Texas at ArlingtonDepartment of Electrical Engineering, NanoFAB Center, 2009-05)Solution-processed spherical surface textures are demonstrated on commercial amorphous silicon solar cells. The texture is formed with a monolayer of silica microspheres by convective coating, followed by a spin-on-glass ... -
Microstructured surface design for omnidirectional antireflection coatings on solar cells
(Original publisher: American Institute of PhysicsDepartment of Electrical Engineering, 2007-11-27)We recently demonstrated a new process for the formation of partially spherical structures as an omnidirectional antireflection coating (omni-AR). In this paper, we report the simulation results of the angular and spectral ...
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