Prof. Hongpu Li Profile

Prof. Hongpu Li

Professor at Univ of Shizuoka

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 9 October 2021 Presentation + Paper

All-fiber flat-top orbital angular momentum mode converter realized by a SMF-based helical grating with phase modulation

Chengliang Zhu, Lei Wang, Yong Zhao, Hongpu Li

Proceedings Volume 11902, 119020O (2021) https://doi.org/10.1117/12.2601169

KEYWORDS: Phase modulation, Single mode fibers, Wavelength division multiplexing

Read Abstract +

Proceedings Article | 8 October 2015 Paper

Simultaneous measurement of temperature and strain by using a wide-band fiber Bragg grating

Lunlun Xian, Peng Wang, Hongpu Li

Proceedings Volume 9679, 96791D (2015) https://doi.org/10.1117/12.2205659

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Sensors, Tunable lasers, Optical filters, Epoxies, Sensing systems, Fiber optics sensors, Power meters, Chemical elements

Read Abstract +

Proceedings Article | 13 November 2014 Paper

Energy-efficient optical pulse multiplication and shaping based on triply-sampled spectral filter utilizing fiber Bragg grating

Hongpu Li, Xuxing Chen

Proceedings Volume 9279, 92790A (2014) https://doi.org/10.1117/12.2071580

KEYWORDS: Fiber Bragg gratings, Optical filters, Picosecond phenomena, Terahertz radiation, Gaussian pulse, Pulse shaping, Phase only filters, Fourier transforms, Microwave photonics, Convolution

Read Abstract +

Proceedings Article | 25 September 2013 Paper

Phase-shift formed in a tapered long period fiber grating and its application to simultaneous measurements of temperature and refractive-index

Keisuke Hishiki, Hongpu Li

Proceedings Volume 8847, 88470O (2013) https://doi.org/10.1117/12.2021684

KEYWORDS: Temperature metrology, Refractive index, Carbon dioxide lasers, Phase shifts, Calibration, Cladding, Fabrication, Phase measurement, Photonic crystal fibers, Photomicroscopy

Read Abstract +

Proceedings Article | 29 November 2011 Paper

Enhanced slow light in a phase-shifted multichannel fiber Bragg grating assisted by stimulated Brillouin scattering

Xuxing Chen, Lunlun Xian, Hongpu Li

Proceedings Volume 8307, 830705 (2011) https://doi.org/10.1117/12.903936

KEYWORDS: Fiber Bragg gratings, Phase shifts, Slow light, Ferroelectric materials, Light scattering, Scattering, Optical amplifiers, Transducers, Spectrum analysis, Optical isolators

Read Abstract +

Proceedings Article | 17 November 2010 Paper

Ultra-high channel-count fiber Bragg grating based on the utilization of the phase-only sampling

Hongpu Li, Xuxing Chen

Proceedings Volume 7848, 784816 (2010) https://doi.org/10.1117/12.869365

KEYWORDS: Fiber Bragg gratings, Optical design, Energy efficiency, Wavelength division multiplexing, Modulation, Algorithms, Linear filtering, Optimization (mathematics), Dispersion, Iterative methods

Read Abstract +

Proceedings Article | 27 October 2009 Paper

High channel-count phase-only sampled fiber Bragg grating and its application to dispersion compensator and multi-wavelength fiber laser

Hongpu Li

Proceedings Volume 7516, 751608 (2009) https://doi.org/10.1117/12.837335

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Linear filtering, Phase shifts, Optical design, Bandpass filters, Phase shift keying, Dispersion, Wavelength division multiplexing, Energy efficiency

Read Abstract +

Proceedings Article | 11 November 2008 Paper

Recent advances in the design and fabrication of high channel-count fiber Bragg gratings

Hongpu Li, Ming Li

Proceedings Volume 7134, 71340L (2008) https://doi.org/10.1117/12.801732

KEYWORDS: Fiber Bragg gratings, Optical design, Information operations, Fourier transforms, Digital Light Processing, Diffraction, Optical filters, Dispersion, Phase shifts, Modulation

Read Abstract +

Proceedings Article | 28 January 2006 Paper

Effect of the cladding-mode coupling losses on the spectrum of a multi-channel fiber Bragg grating

Hongpu Li, Yuusaka Nakamura, Kazuhiko Ogusu, Yunlong Sheng

Proceedings Volume 6025, 60251V (2006) https://doi.org/10.1117/12.667082

KEYWORDS: Fiber Bragg gratings, Apodization, Dispersion, Cladding, Dense wavelength division multiplexing, Picosecond phenomena, Physics, Laser optics, Single mode fibers, Refractive index

Read Abstract +

Proceedings Article | 20 January 2006 Paper

Near field diffraction of phase-shifted phase grating for side-writing fiber Bragg gratings

Yunlong Sheng, Li Sun, Joshua Rothenberg, Hongpu Li, Ying Wang

Proceedings Volume 6027, 602707 (2006) https://doi.org/10.1117/12.667703

KEYWORDS: Fiber Bragg gratings, Phase shifts, Photomasks, Diffraction gratings, Phase shift keying, Near field diffraction, Finite-difference time-domain method, Modulation, Diffraction, Binary data

Read Abstract +

Proceedings Article | 7 February 2005 Paper

Split of phase shifts in phase mask for proximity side-writing fiber Bragg gratings

Yunlong Sheng, Joshua Rothenberg, Hongpu Li, Ying Wang

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.569024

KEYWORDS: Phase shifts, Fiber Bragg gratings, Photomasks, Near field, Phase shift keying, Optical design, Binary data, Error analysis, Diffraction, Finite-difference time-domain method

Read Abstract +

Proceedings Article | 11 January 2005 Paper

Design and fabrication of complex fiber Bragg gratings using diffractive optics technology

Yunlong Sheng, Joshua Rothenberg, Hongpu Li

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.569816

KEYWORDS: Fiber Bragg gratings, Phase shift keying, Phase shifts, Optical design, Modulation, Near field optics, Reflectivity, Fourier transforms, Diffraction, Binary data

Read Abstract +

Proceedings Article | 30 September 1996 Paper

Fabrication and demonstration of FET-SEED smart pixels

Zhongli Liu, Mingcui Cao, Anjun Wan, Hongpu Li, Fengguang Luo, Rong Han Wu, Hongda Chen, Zhibiao Chen, Wen Gao

Proceedings Volume 2891, (1996) https://doi.org/10.1117/12.253194

KEYWORDS: Field effect transistors, Gallium arsenide, Sensors, Modulators, Absorption, Optical amplifiers, Optical interconnects, Computing systems, Semiconductor lasers, Switching

Read Abstract +