P u b l i c a t i o n s   o f    W a h   T u n g   L a u

    

    

    

    

    

    

    

  

    

    

    

 

 

Postdoctoral fellow in Department of Physics

Sajeev John's group, University of Toronto

 

Ph.D in Electrical Engineering (minor Physics)

Shanhui Fan's group, Stanford University

 

contact: wahtung at gmail dot com

 

 

Journal Publications

 

“Solar upconversion enhancement in photonic bandgap materials”

W. T. Lau, and S. John (in preparation).

 

“Strong light-matter interaction of a meta-atom in 1-D photonic crystal band gap structures”

W. T. Lau, R.-J. Liu, S. John, and Z.-Y. Li, (in preparation).

 

"High optical transmittance of aluminum ultrathin film with hexagonal nanohole arrays as transparent electrode"

Q. G. Du, W. Yue, Z. Wang, W. T. Lau, H. Ren, and E. P. Li, Optics Express 24 4680 (pdf) (2016).

 

 “Tailoring of Spectral Response and Spatial Field Distribution with Corrugated Photonic Crystal Slab”

R. Gad, W. T. Lau, C. Nicholaou, S. Ahmadi, I. Sigal, and O. Levi, Optics Letters 40 3715 (pdf) (2015).

 

 “Enhanced Detection Limit by Dark Mode Perturbation in 2D Photonic Crystal Slab Refractive Index Sensors”

C. Nicolaou, W. T. Lau, R. Gad, H. Akhavan, R. Schilling, and O. Levi, Optics Express 21 31698 (pdf) (2013).

Also in Virtual Journal for Biomedical Optics 9 31698.

 

"Exponential Suppression of Thermal Conductance Using Coherent Transport and Heterostructures"

W. T. Lau, J. -T. Shen, and S. Fan, Physical Review B 82 113105 (pdf) (2010).

 

"Thermal Rectification Through Vacuum"

C. R. Otey, W. T. Lau, and S. Fan, Physical Review Letters 104 154301 (pdf) (2010).

 

"Universal Features of Coherent Photonic Thermal Conductance in Multilayer Photonic Band Gap Structures"

W. T. Lau, J. -T. Shen, and S. Fan, Physical Review B 80 155135 (pdf) (2009).

Featured in Physical Review Focus 24 st. 14 (October 9 2009), and Physical Review B Editors' Suggestions in October 2009.

 

"Tuning Coherent Radiative Thermal Conductance in Multilayer Photonic Crystals"

W. T. Lau, J. -T. Shen, G. Veronis, S. Fan, and P. V. Braun, Applied Physics Letters 92 103106 (pdf / html), (2008).

 

"Spatial Coherence of the Thermal Electromagnetic Fields in the Vicinity of a Dielectric Slab"

W. T. Lau, J. -T. Shen, G. Veronis, and S. Fan, Physical Review E 76 016601 (pdf), (2007).

 

"Anomalous Modal Structure in a Waveguide with a Photonic Crystal Core"

X. Yu, W. T. Lau, and S. Fan, Optics Letters 31 742 (pdf), (2006).

 

"Creating Large Bandwidth Line Defect by Embedding High-Index Dielectric Waveguides into Photonic Crystal Slabs"

W. T. Lau, and S. Fan, Applied Physics Letters 81 3915 (pdf / html), (2002).

 

 

Conference Proceedings

 

"Solar upconversion enhancement using nanoparticles embedded in photonic band gap materials"

W. T. Lau, S. John. (Next generation solar) (2015).

 

"Transition from two dimensional photonic crystal slab to one dimensional corrugated grating"

R Gad, WT Lau, C Nicholaou, S Ahmadi, I Sigal, O Levi, Optical MEMS and Nanophotonics (OMN) (2015).

 

“A New Scheme for Improvement of Index of Refraction Detection Limit in 2D Photonic Crystals”

H. Akhavan, W. T. Lau, C. Nicholaou, R. Schilling, R. Gad, and O. Levi, Proceeding CLEO_SI-2013-CTh3J.8 (2013)

 

"Minimizing Coherent Photonic Thermal conductance Using Multi-layer Photonic Crystals Heterostructures" 

W. T. Lau, J. -T. Shen, and S. Fan, Proceeding IQEC-2009-IThA4 (2009).

 

"Suppressing Coherent Photonic Thermal Conductance with Multilayer Photonic Crystals"

W. T. Lau, J. -T. Shen, and S. Fan, International Conference on Metallurgical Coatings and Thin Films (ICMCTF) (2009).

 

"Photonic Thermal Conductance of Multilayer Photonic Crystals"

W. T. Lau, J. -T. Shen, and S. Fan, Material Research Society (MRS) Spring Meeting (2009).

 

"Ultra-small Coherent Photonic Thermal Conductance"

W. T. Lau, J. -T. Shen, G. Veronis, and S. Fan, Proceeding SPIE 7223 722317 (2009). 

 

"Tunable and Coherent Radiative Thermal Conductance in Multilayer Photonic Crystals"

W. T. Lau, J. -T. Shen, G. Veronis, P. V. Braun, and S. Fan, Optical Society of America, Proceeding CLEO/QELS 10183344 (2008).

 

"Spatial Coherence of the Thermal Electromagnetic Fields in the Vicinity of a Dielectric Slab"

W. T. Lau, J. -T. Shen, G. Veronis, and S. Fan, Proceeding SPIE 6901 690109 (2008).

 

"In-plane Photonic Crystal and Nanophotonic Devices"

S. Fan, Z. Wang, X. Yu, W. T. Lau, H. Shin, Proceeding CLEO/QELS 4628083 (2006).

 

"Controlling Diffraction and Waveguide Modes by Exploiting Spatial Dispersions in Photonic Crystals"

S. Fan, X. Yu, J. Shin, and W. T. Lau, Proceeding SPIE 6128 61280Z (2006).

 

"Fabrication and characterization of tightly confining AlGaAs waveguides and microcavities for nonlinear optical applications"

L. Scaccabarozzi, Z. Wang; X. Yu, M. M. Lee, W. T. Lau, M. F. Yanik, S. Fan; M. M. Fejer, J. S. Harris, Jr. Proceeding SPIE 5728 299 (2005).

 

"Tightly confining AlGaAs waveguides and microcavities for optical frequency conversion"

L. Scaccabarozzi, Z. Wang; X. Yu, W. T. Lau; M. F. Yanik, S. Fan; M. M. Fejer; J. S. Harris, Jr. Proceeding SPIE 5355 111 (2004).

 

"Creating Large Bandwidth Line Defect by Embedding High-Index Dielectric Waveguides into Photonic Crystal Slabs"

W. T. Lau, and S. Fan, Proceeding SPIE 5000 118 (2003).

 

 

Patent

 

"Creating large bandwidth line defects by embedding dielectric waveguides into photonic crystal slabs"

W. T. Lau, and S. Fan, US Patent: 6957003, International classification: G02B006/20.

 

 

Seminars and Talks

 

"Treating Heat as Waves in Photonic Microstructures"

 

Seminars

Department of Physics, The University of Hong Kong (2010).

Department of Physics, Hong Kong University of Science and Technology [abstract] (2010).

Department of Electrical and Electronic Engineering, The University of Hong Kong (2008).

 

Group Meeting Talks

Department of Electrical and Computer Engineering, University of Toronto (2010).

Department of Mechanical Engineering, Massachusetts Institute of Technology (2009). 

Department of Physics, Hong Kong University of Science and Technology, (2008).

Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology (2008).

 

 

Media Coverage

 

"Photonic Thermos", Physical Review Focus 24 st. 14, (pdf) October 9, 2009.

"Scientists Create Material More Insulating than the Vacuum", Physorg.com on December 10, 2009.

 

 

Award

 

Croucher Foundation Fellowship (2010-2012).

 

 

Ph.D Thesis

 

"Manipulation of Thermal Electromagnetic Fields in Nanophotonic Structures" (2009).