Prof. Connie J. Chang-Hasnain Profile

Prof. Connie J. Chang-Hasnain

Principal Investigator

SPIE Involvement:

Conference Chair | Editor | Author | Instructor

Publications (49)

Proceedings Article | 13 March 2024 Presentation + Paper

Programmable structured light using metasurface optics and individually addressable VCSEL array

Chenyang Wu, Xuanlun Huang, Yipeng Ji, Tingyu Cheng, Jiaxing Wang, Connie Chang-Hasnain

Proceedings Volume 12897, 1289704 (2024) https://doi.org/10.1117/12.3000855

KEYWORDS: Vertical cavity surface emitting lasers, Structured light, Speckle pattern, Metamaterials

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Proceedings Article | 5 March 2021 Presentation

High-contrast metastructures and applications

Connie Chang-Hasnain

Proceedings Volume 11695, 1169504 (2021) https://doi.org/10.1117/12.2585135

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Proceedings Article | 5 March 2021 Presentation

Welcome and Introduction to SPIE Conference 11695

Connie Chang-Hasnain, Jonathan Fan, Weimin Zhou

Proceedings Volume 11695, 1169502 (2021) https://doi.org/10.1117/12.2592162

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Proceedings Article | 26 March 2020 Open Access

High-contrast grating and its application in VCSEL array (Conference Presentation)

Connie Chang-Hasnain

Proceedings Volume 11290, 1129002 (2020) https://doi.org/10.1117/12.2555531

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Proceedings Article | 8 March 2019 Presentation

High-contrast grating VCSELs and applications (Conference Presentation)

Connie Chang-Hasnain, Kevin Cook, Jonas Horst Kapraun, Jiaxing Wang

Proceedings Volume 10928, 1092802 (2019) https://doi.org/10.1117/12.2515571

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Proceedings Article | 4 March 2019 Presentation

Precision metrology through wavelength-demultiplexed laser interferometry (Conference Presentation)

Zain Zaidi, Vala Fathipour, Connie Chang-Hasnain

Proceedings Volume 10925, 109250Q (2019) https://doi.org/10.1117/12.2511031

KEYWORDS: Laser interferometry, Metrology, Interferometry, Photodetectors, Image resolution, Interferometers, Phase interferometry, Computing systems

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Proceedings Article | 15 March 2016 Paper

Integrated plasmonic refractive index sensor based on grating/metal film resonant structure

Mingze Sun, Tianbo Sun, Youhai Liu, Li Zhu, Fang Liu, Yidong Huang, Connie Chang-Hasnain

Proceedings Volume 9757, 97570Q (2016) https://doi.org/10.1117/12.2218558

KEYWORDS: Gold, Biosensors, Plasmonics, Refractive index, Spiral phase plates, Sensors, Surface plasmon polaritons, Neodymium, Optical biosensors, Environmental monitoring, Environmental sensing, Metals, Dielectrics, Biosensing, Molecules

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Proceedings Article | 15 March 2016 Paper

Planar lens with a quasi-periodic circular design

Thaibao Phan, Li Zhu, Pengfei Qiao, Connie Chang-Hasnain

Proceedings Volume 9757, 97570M (2016) https://doi.org/10.1117/12.2218112

KEYWORDS: Lens design, Optical design, Dielectric polarization, Dielectrics, Diffraction gratings, Mirrors, Communication engineering, Optical components, Optical communications, Phase shifts, Point spread functions, Glasses, Transmittance, Silicon, Wavefronts, Waveguides

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Proceedings Article | 15 March 2016 Paper

High-efficiency aperiodic two-dimensional high-contrast-grating hologram

Pengfei Qiao, Li Zhu, Connie Chang-Hasnain

Proceedings Volume 9757, 975708 (2016) https://doi.org/10.1117/12.2212981

KEYWORDS: Holograms, Optical design, Tunable filters, Algorithm development, Optical filters, Near field, Optical simulations, Finite-difference time-domain method, 3D image reconstruction, Silicon, Chemical elements, Detection and tracking algorithms, Near field optics, Optical components

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Proceedings Article | 15 March 2016 Paper

Progress and prospects of silicon-based design for optical phased array

Weiwei Hu, Chao Peng, Connie Chang-Hasnain

Proceedings Volume 9757, 97570U (2016) https://doi.org/10.1117/12.2214155

KEYWORDS: Phased array optics, Optical design, Beam steering, Silicon, Modulators, Optical arrays, Phase shifts, Electromagnetism, Stars, Phased arrays, Refractive index, Reflectivity, Mirrors

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Proceedings Article | 27 February 2015 Paper

Heterogeneously-integrated VCSEL using high-contrast grating on silicon

James Ferrara, Li Zhu, Weijian Yang, Pengfei Qiao, Connie Chang-Hasnain

Proceedings Volume 9372, 937208 (2015) https://doi.org/10.1117/12.2079732

KEYWORDS: Vertical cavity surface emitting lasers, Silicon, Reflectivity, Modulation, Thin films, Reflectors, Resistance, Waveguides, Finite-difference time-domain method

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Proceedings Article | 27 February 2015 Paper

Active coloration with flexible high contrast metastructures

Li Zhu, Jonas Kapraun, James Ferrara, Connie Chang-Hasnain

Proceedings Volume 9372, 93720K (2015) https://doi.org/10.1117/12.2079759

KEYWORDS: Diffraction, Silicon, Refraction, Reflection, Finite-difference time-domain method, Scanning electron microscopy, Photography, Diffraction gratings, Color vision, Semiconducting wafers

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Proceedings Article | 27 February 2015 Paper

Design and fabrication of 3D high-contrast metastructure THz cage waveguides

Gerard Dang, Monica Taysing-Lara, Weimin Zhou, Tianbo Sun, Weijan Yang, Connie Chang-Hasnain

Proceedings Volume 9372, 93720J (2015) https://doi.org/10.1117/12.2079720

KEYWORDS: Waveguides, Etching, Semiconducting wafers, Silicon, Terahertz radiation, Silica, Scanning electron microscopy, Cladding, Optical spheres, Oxides

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Proceedings Article | 7 March 2014 Paper

High-speed 32×32 MEMS optical phased array

Mischa Megens, Byung-Wook Yoo, Trevor Chan, Weijian Yang, Tianbo Sun, Connie Chang-Hasnain, Ming Wu, David Horsley

Proceedings Volume 8977, 89770H (2014) https://doi.org/10.1117/12.2044197

KEYWORDS: Mirrors, Phased array optics, Microelectromechanical systems, Phase shifts, Beam steering, Reflectivity, Liquid crystals, Binary data, Diffraction, Silicon

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Proceedings Article | 19 February 2014 Paper

1550-nm wavelength-tunable HCG VCSELs

Christopher Chase, Yi Rao, Michael Huang, Connie Chang-Hasnain

Proceedings Volume 8995, 89950A (2014) https://doi.org/10.1117/12.2041821

KEYWORDS: Vertical cavity surface emitting lasers, Wavelength tuning, Tunable lasers, Transceivers, Mirrors, Channel projecting optics, Single mode fibers, Microelectromechanical systems, Capacitance, Wavelength division multiplexing

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Proceedings Article | 19 February 2014 Paper

High-contrast grating MEMS optical phase-shifters for two-dimensional free-space beam steering

Mischa Megens, Byung-Wook Yoo, Trevor Chan, Weijian Yang, Tianbo Sun, Connie Chang-Hasnain, Ming Wu, David Horsley

Proceedings Volume 8995, 89950Q (2014) https://doi.org/10.1117/12.2045341

KEYWORDS: Mirrors, Phase shifts, Microelectromechanical systems, Phased array optics, Fabry–Perot interferometers, Beam steering, Reflectivity, Interfaces, Linear filtering, Phase measurement

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Proceedings Article | 1 February 2014 Paper

Tunable 1550nm VCSELs using high-contrast grating for next-generation networks

Christopher Chase, Yi Rao, Michael Huang, Connie Chang-Hasnain

Proceedings Volume 9008, 900807 (2014) https://doi.org/10.1117/12.2044163

KEYWORDS: Vertical cavity surface emitting lasers, Transceivers, Single mode fibers, Wavelength tuning, Tunable lasers, Microelectromechanical systems, Capacitance, Mirrors, Modulation, Eye

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