Student Paper Award Announced!!

Session Index

Quantum Electronics

Poster session 1
Thursday, Dec. 4, 2014  15:00-16:20
Chair:
Room: F22
Notes:
14:45 - 15:30 Paper No.  2014-Thu-P0301-P002
Chien Hung Lin Award Candidate Room Temperature Mid-IR Dual Wavelength Emission in Optically Pumped InGaAsSb/AlGaAsSb QW Lasers
Chien Hung Lin,Zhi-Yang Lin,Chien-Ping Lee,

Optically pumped middle infrared (Mid-IR) dual wavelength lasers operated at room temperature were demonstrated. Two kinds of InGaAsSb/AlGaAsSb quantum well (QW) with different compositions, which were separated by a thin carrier blocking layer, were grown as active region in a single waveguide laser structure. Dual wavelength at 2.31m and 2.61m were lasing simultaneously when the optically injection is slight higher than the threshold condition.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P003
I-Te Lee Award Candidate Temperature Dependence of the Base Transit Time in Light-Emitting Transistors
I-Te Lee,Chao-Hsin Wu,

The authors demonstrate the transistor cut-off frequency and the base transit time of the LET from 25℃ to 55℃. The cut-off frequency increases and the base transit time decreases with increasing temperature due to the thermionic emission lifetime of quantum-wells at high temperature.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P006
Wei-Kun Chang Award Candidate Double-Prism Domain PPLN for Simultaneous Laser Q-switching and Optical Parametric Oscillation in a Nd:YVO4 Laser
Wei-Kun Chang,Yen-Hung Chen,Hung-Pin Chung,

We report a tunable pulsed optical parametric oscillator using a double-prism domain PPLN as simultaneously an electro-optic Q-switch and a parametric generator in a Nd:YVO4 laser. >2.3-kW peak-power eye-safe light was obtained with this system.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P007
Chen-Yu Cheng Award Candidate Broadband Terahertz Emission by two-color Laser-Induced filament in isotropic media
Chen-Yu Cheng,Chan-Shan Yang,Shuo-Hsien Cheng,Ci-Ling Pan,

Broadband terahertz (THz) Emission by two-color laser-induced filament in isotropic media, air and fused silica, are studied by the simulation of transient photocurrent model and experiments. The dependence between several parameters and the THz signal has been checked. The results of air and fused silica are compared and discussed.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P010
Chen cheih chuan Award Candidate Nonlinear Frequency Conversion by Coherently Controlled Two-Color Excitation of Isotropic Materials
Chen cheih chuan,Tsai Chun Yi,Lin Yuan Ru,Yang Chan-Shan,Chen Wei-Jan,Pan Ci Ling,

We observed the coherent effect of two kinds of nonlinear frequency conversion process. The fundamental beam (1064nm) and second harmonic beam (532nm) are used to generate the two processes in our simulation. We perform the simulation of frequency conversion by tightly focused Gaussian beam.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P011
Yi-Lun Lin Award Candidate Supercontinuum Generated by Noise-like Pulse for Ultrahigh-Resolution Optical Coherence Tomography
Yi-Lun Lin,Kuo-Sung Huang,Yi-Jing You,Zaytsev Alexey,Chih-Hsuan Lin,Ci-Ling Pan,

In this work, a light source for high resolution optical coherence tomography system was designed, constructed and studied. The center wavelength of the generated supercontinuum is 1060 nm and the FWHM of the output spectrum can exceed 320 nm. We set up a free space Michelson interferometer with both axial and lateral scanning schemes as a prototype time-domain optical coherence tomography system. The experimentally measured point spread function indicates an axial resolution of <2 μm as compared to a theoretical resolution of <1.6 μm.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P014
Dan Hua Hsieh Award Candidate Improved Carrier Injection in GaN-based VCSEL via AlGaN/GaN Multiple Quantum Barrier
Dan Hua Hsieh,Bin Cheng Lin,Hao Chung Kuo,Hong Dao Li,Simon Li,

To improve the performance of GaN-based VCSEL, AlGaN/GaN multiple quantum barrier is used to replace the conventional bulk AlGaN electron blocking layer. The laser output power shows significant improvement due to effective electron blocking ability resulted from multiple quantum barrier. This result is also observed by simulating the corresponding structure.

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14:45 - 15:30 Paper No.  2014-Thu-P0301-P015
Pei-Chun Wu Award Candidate The relationship between tumor sizes and vessel permeability in melanoma microenvironment
Pei-Chun Wu,Yu-Fang Shen,Tzu-Ming Liu,

Malignant neoplasm is the leading cause of death for 30 years in a row in Taiwan. Tumor angiogenesis is a critical factor in the growth and metastasis of most malignant neoplasms and cancer cell is considered to be associated with chemo- and radio-resistance that lead to the failure of therapies. More and more reports have shown that cancer cells can promote tumor angiogenesis and maintain their differentiation with the help of endothelium cells [1]. However, the dynamic interplay between the tumor angiogenesis environment and the growth of cancer cells in vivo is yet a complex unresolved subject. The purpose of this study is to time-course investigate the biology of cancer cells in vivo in the context of tumor angiogenesis. The mCherry regulatory melanoma stable cells were implanted into C57BL/6-c2J mice ears and were in vivo monitored by nonlinear optical microscopy. In order to study the relationship between tumor sizes and vessel permeability, we track the tumor growth in mice and inject the 150-kDa (the radius is about 8 nm) dextran labeled with fluorescein in the different tumor stages to examine the vessel permeability. The result demonstrates that the vessels permeability rate will increase with tumor size.

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Paper No.  2014-Thu-P0301-P018
Chih-Kai Chiang High Q/V plasmonic hybrid gap-mode nanocavities with Bragg grating reflectors
Chih-Kai Chiang,Pi-Ju Cheng,Yi-Cheng Chung,Chien-Wei Wu,Chung-Hao Tien,Tzy-Rong Lin,

We analyze a hybrid plasmonic nanocavity containing a silicon grating NW near a metal surface with a gain gap between. For such cavity with a short cavity length at wavelength λ = 1550 nm, a high quality factor near 550 and ultrasmall modal volume lower than 0.0019 (λ/n)3 are achievable.

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Paper No.  2014-Thu-P0301-P019
Lun-Yang Lu Nonresonatly-pumped Exciton-polariton condensates in 1-D periodic potential
Lun-Yang Lu,Shih-Da Jheng,Szu-Cheng Cheng,Wen-Feng Hsieh,

We consider nonresonatly-pumped excitonpolariton condensates in 1-D periodic potential. By analyzing the band structure of the system, we found that gap solitons form at the edge of the Brillouin zones when pumped nonuniformly.

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Paper No.  2014-Thu-P0301-P022
Yu-Shan Chiu Effect of time delay in semiconductor laser with optoelectronic feedback and optical feedback
Yu-Shan Chiu,Yu-Shan Juan,

Dynamical characteristics of semiconductor lasers subject to both optoelectronic feedback and optical feedback are investigated by numerical simulation. The electrical power spectrum of individual system with undesired side peaks resulted from corresponding frequency of the delay loop can be eliminated by the applying another system with different time delay. Furthermore, under proper adjustment of the loop delay time, the main frequencies of power spectrum are changed correspondingly.

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