Ms. Lei Zheng Profile

Lei Zheng

at Univ of Massachusetts/Lowell

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Author

Publications (4)

SPIE Journal Paper | 1 April 2007 Open Access

Electro-optic tunable bandpass filter based on long-period-grating-assisted asymmetric waveguide coupling

Xuejun Lu, Miao Li, Rohit Samarth, Lei Zheng

OE, Vol. 46, Issue 04, 040508, (April 2007) https://doi.org/10.1117/12.10.1117/1.2721420

KEYWORDS: Waveguides, Wavelength division multiplexing, Tunable filters, Wavelength tuning, Electro optics, Optical filters, Bandpass filters, Optical networks, Fiber Bragg gratings, Electrodes

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Proceedings Article | 9 February 2007 Paper

An all-optical nonlinear threshold gate based on high-order weakly coupled microring resonators with a low switching threshold

Xuejun Lu, Miao Li, Lei Zheng, Jarrod Vaillancourt

Proceedings Volume 6478, 64780S (2007) https://doi.org/10.1117/12.712478

KEYWORDS: Resonators, Microrings, Switching, Waveguides, Gallium arsenide, Nonlinear optics, Aluminum, Dielectrics, Integrated optics, Gallium

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SPIE Journal Paper | 1 July 2006 Open Access

Thermo-optically tunable fiber ring laser without any mechanical moving parts

Lei Zheng, Jarrod Vaillancourt, Craig Armiento, Xuejun Lu

OE, Vol. 45, Issue 07, 070503, (July 2006) https://doi.org/10.1117/12.10.1117/1.2219737

KEYWORDS: Fiber lasers, Wavelength tuning, Polymers, Tunable lasers, Packaging, Optical filters, Wavelength division multiplexing, Thermal optics, Polarization, Refractive index

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SPIE Journal Paper | 1 May 2005 Open Access

Integrated high-speed digital optical true-time-delay line with embedded electrically switchable gratings

Xuejun Lu, Suning Tang, Jibing Lin, Jennifer Cologrove, Yuanji Tang, X. Wang, Lei Zheng, James Foshee

OE, Vol. 44, Issue 05, 050505, (May 2005) https://doi.org/10.1117/12.10.1117/1.1906208

KEYWORDS: Fiber Bragg gratings, Polymers, Waveguides, Liquid crystals, Polymer multimode waveguides, Integrated optics, Picosecond phenomena, Refractive index, Switching, Diffraction

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