Dr. Chang Qiu Yu Profile

Dr. Chang Qiu Yu

at Hangzhou Dianzi Univ

SPIE Involvement:

Author

Publications (12)

SPIE Journal Paper | 30 January 2019

Diode pumped high efficiency single-longitudinal-mode Tm, Ho:YAP ring laser

Jing Wu, Yongfeng Wu, Tongyu Dai, Youlun Ju, Changqiu Yu

OE, Vol. 58, Issue 01, 016116, (January 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.1.016116

KEYWORDS: Thulium, Spatial light modulators, Semiconductor lasers, Fabry–Perot interferometers, Crystals, Polarization, Diodes, Laser stabilization, Laser crystals, Wavelength tuning

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Proceedings Article | 14 November 2016 Paper

The dispersion and spectrum output characteristics in series-coupled double-ring resonator

Dongyang Gao, Yundong Zhang, Yongfeng Wu, Changqiu Yu, Hui Li, Ping Yuan

Proceedings Volume 10025, 100250A (2016) https://doi.org/10.1117/12.2246062

KEYWORDS: Sensors, Mach-Zehnder interferometers, Directional couplers, Solids, Resonators, Refractive index, Spectroscopy, Optical sensing, Phase shifts, Absorption

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Proceedings Article | 14 November 2016 Paper

Optical properties of silicon microtube doped with upconversion nanocrystals

Yundong Zhang, Hui Li, Hanyang Li, Yongfeng Wu, Changqiu Yu, Tuo Zhang, Ping Yuan

Proceedings Volume 10025, 100250T (2016) https://doi.org/10.1117/12.2245282

KEYWORDS: Nanocrystals, Upconversion, Luminescence, Temperature sensors, Optical properties, Ytterbium, Thulium, Holmium, Temperature metrology, Far infrared

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Proceedings Article | 14 November 2016 Paper

Thermal sensing performance of the nested fiber ring resonator

Changqiu Yu, Yundong Zhang, Yongfeng Wu, Hui Li, Tuo Zhang, Ping Yuan

Proceedings Volume 10025, 1002509 (2016) https://doi.org/10.1117/12.2245024

KEYWORDS: Resonators, Waveguides, Thermal sensing, Mach-Zehnder interferometers, Phase shifts, Sensors, Temperature metrology, Information operations, Silicon, Laser stabilization

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Proceedings Article | 3 November 2016 Paper

Observation of EIT-like spectrum in the eye-like ring resonator

Kai Ma, Yundong Zhang, Yongfeng Wu, Changqiu Yu, Hui Li, Ping Yuan

Proceedings Volume 10029, 1002917 (2016) https://doi.org/10.1117/12.2246000

KEYWORDS: Signal attenuation, Resonators, Transmittance, Transparency, Optical switching, Optical filters, Phase shifts, Tunable filters, Lithium, Tunable lasers

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Proceedings Article | 31 October 2016 Paper

Uniform flat-top interleaver consisting of a two-stage cascaded Mach-Zehnder interferometer

Huaiyin Su, Yundong Zhang, Yongfeng Wu, Hui Li, Changqiu Yu, Ping Yuan

Proceedings Volume 10019, 100190Q (2016) https://doi.org/10.1117/12.2246002

KEYWORDS: Mach-Zehnder interferometers, Dense wavelength division multiplexing, Waveguides, Directional couplers, Phase shifts, Optical filters, Thermal optics, Electro optics, Lithium, Channel projecting optics

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Proceedings Article | 31 October 2016 Paper

Tunable multi-channel dropping filters based on double-waveguide parallel-coupled microring resonators

Chunyu Zhang, Yundong Zhang, Yongfeng Wu, Hui Li, Changqiu Yu, Ping Yuan

Proceedings Volume 10019, 1001908 (2016) https://doi.org/10.1117/12.2245168

KEYWORDS: Resonators, Microrings, Waveguides, Optical switching, Phase shifts, Tunable filters, Modulation, Lithium, Dense wavelength division multiplexing, Terahertz radiation

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Proceedings Article | 27 September 2016 Presentation + Paper

Tunable Fano resonance based on add-drop ring resonator structure

Yundong Zhang, Yongfeng Wu, Hui Li, Changqiu Yu, Ping Yuan

Proceedings Volume 9949, 994902 (2016) https://doi.org/10.1117/12.2237235

KEYWORDS: Resonators, Beam shaping, Resonators, Switching, Sensors, Waveguides, Tunable lasers, Directional couplers, Phase shifts, Modulators, Polarization

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Proceedings Article | 17 September 2016 Paper

Fano resonances based on nanoscale plasmonic structure

Yundong Zhang, Hui Li, Yongfeng Wu, Changqiu Yu, Ping Yuan

Proceedings Volume 9921, 99212F (2016) https://doi.org/10.1117/12.2237138

KEYWORDS: Plasmonics, Waveguides, Finite-difference time-domain method, Plasmonic waveguides, Environmental sensing, Resonators, Refractive index, Surface plasmons, Dielectrics, Sensors

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Proceedings Article | 7 March 2016 Paper

Tunable optical delay line based on micro-ring resonators

Yundong Zhang, Yongfeng Wu, Changqiu Yu, Hui Li, Chunyu Zhang, Tuo Zhang, Ping Yuan

Proceedings Volume 9763, 97631D (2016) https://doi.org/10.1117/12.2220220

KEYWORDS: Microrings, Resonators, Phase shifts, Signal attenuation, Waveguides, Dispersion, Lithium, Directional couplers, Slow light, Tunable lasers

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Proceedings Article | 21 February 2014 Paper

Observation of EIT like spectrum in the nested fiber ring resonator

Yundong Zhang, Changqiu Yu, Kaiyang Wang, Ping Yuan

Proceedings Volume 8998, 899814 (2014) https://doi.org/10.1117/12.2038368

KEYWORDS: Resonators, Transparency, Slow light, Waveguides, Transmittance, Dispersion, Phase shifts, Fiber couplers, Optical switching, Optical filters

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Proceedings Article | 8 February 2012 Paper

Improved spectral performance of Fourier transform interferometer utilizing slow light medium

Yundong Zhang, Yuanxue Cai, Changqiu Yu, Jin Li, Ping Yuan

Proceedings Volume 8273, 82730X (2012) https://doi.org/10.1117/12.915296

KEYWORDS: Interferometers, Fourier transforms, Slow light, Spectral resolution, Gallium arsenide, Refractive index, Geometrical optics, Semiconductors, Near infrared, Dispersion

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Showing 5 of 12 publications

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