OpticsInfoBase

Time- and wavelength-interleaved laser pulses: prospects and challenges in optical signal processing

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830703
• Proceedings of SPIE
• Shu, Chester; Lei, Gordon K P
• We review our recent work on the generation of time- and wavelength-interleaved laser pulses and their applications in optical signal processing. Using phase and amplitude modulation...

Novel multilayer structure CWDM demultiplexer in silica

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830704
• Proceedings of SPIE
• Atieh, Ahmad; Mansour, Ibrahim; Dalala, Zakariya
• Novel CWDM multilayer structure demultiplexer in silica is proposed and investigated. The refractive index of each layer in the structure follows fiber graded index profile with...

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

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830705
• Proceedings of SPIE
• Chen, Xuxing; Xian, Lunlun; Li, Hongpu
• Slow light is theoretically and experimentally demonstrated in a phase-shifted multichannel fiber Bragg grating (FBG) which has the ability not only to produce the slow-lights in...

All-fiber High Repetition Rate Short Pulse Generation around 1030nm

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830706
• Proceedings of SPIE
• Li, Qin; Zhu, Rui; Zhang, Chi; Yang, Sigang; Wong, Kenneth K Y
• High repetition rate pulsed fiber laser in 1µm is an attractive and novel source for optical transmission systems, since ytterbium-doped fiber (YDF) has the potential to provide broad...

A compact SOI polarization beam splitter based on multimode interference coupler

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830707
• Proceedings of SPIE
• Tu, Z; Huang, Y W; Yi, H X; Wang, X J; Li, Y P; Li, L; Hu, W W
• A multimode interference (MMI) polarization splitter with easy fabrication process was demonstrated in Silicon-On-Insulator substrate. The minimum device size, 8 µm×1034 µm was...

Hybrid Coupler with Short Range Surface Plasmon Polariton and Dielectric Waveguide

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830708
• Proceedings of SPIE
• Fan, Boyu; Liu, Fang; Wan, Ruiyuan; Huang, Yidong; Miura, Yoshikatsu; Ohnishi, Dai
• A vertical coupler composed of short range surface plasmon polariton waveguide and dielectric waveguide is studied theoretically and experimentally. The short range surface plasmon...

Gain property analysis of a quantum dot doped inner cladding fiber

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 830709
• Proceedings of SPIE
• Dai, Yuan; Pang, Fufei; Wang, Tingyun
• A quantum dot (QD) doped fiber amplifier (QDFA) was theoretically modeled by using a two-level system. Combining with the finite difference-beam propagation method (FD-BPM), the...

The Graghene Mode-locked Fiber Laser

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070A
• Proceedings of SPIE
• Shili, Guo; Aiying, Yang; Yvnan, Sun
• Starting from the structure of graphene, the electrical and optical properties of graphene is analyzed in this paper. Then, the transmission characteristics and the modulation for the...

Ultra-compact and broadband orthogonal coupler between strip and slot silicon waveguides

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070B
• Proceedings of SPIE
• Li, Fei; Hu, Xiaofeng; Wu, Jiayang; Zhou, Linjie; Su, Yikai
• We propose an ultra-compact and broadband orthogonal coupler between a strip waveguide and a slot waveguide. Numerical simulations show that a 700-nm wide (full width at half maximum)...

Coupling between Dielectric Waveguide Mode and Long Range Surface Plasmon Polariton Waveguide Mode

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070C
• Proceedings of SPIE
• Li, Yunxiang; Liu, Fang; Fan, Boyu; Wan, Ruiyuan; Huang, Yidong
• Coupling between long range surface plasmon polariton (LRSPP) waveguide mode and dielectric waveguide (DW) mode has been studied theoretically and experimentally. It is demonstrated...

Ultrafast laser inscription: science today, technology tomorrow

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070D
• Proceedings of SPIE
• Choudhury, D; Ramsay, W T; Willoughby, N A; Paterson, L; Kar, A K
• Recent advances in the field of ultrafast laser inscription provide ample evidence underscoring the potential of this technique in fabricating novel and previously unthinkable 2D and...

Direct inscription of intrinsic Fabry-Perot interferometers in optical fiber tapers with a femtosecond laser

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070F
• Proceedings of SPIE
• Li, Jinlong; Zhang, Xiaobei; Wang, Wenyuan; Pang, Fufei; Liu, Yunqi; Wang, Tingyun
• In this work, we report a sensing configuration of the fiber taper intrinsic Fabry-Perot interferometer directly inscribed in single-mode optical fiber tapers with different waist...

Design and fabrication of an asymmetric twin-core fiber directional coupler for gain-flattened EDFA

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070I
• Proceedings of SPIE
• Nagaraju, B; Ude, M; Trzésien, S; Dussardier, B; Varshney, R K; Monnom, G; Blanc, W; Pal, B P
• Fiber directional couplers made of highly asymmetric twin-cores (ATC), one of which is doped with erbium, are designed to achieve an inherently gain flattened erbium doped fiber...

Study of optical gain and noise characteristics in novel zirconia codoped Erbium fibres

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070J
• Proceedings of SPIE
• Pal, Mrinmay; Paul, Mukul C; Das, Shyamal; Sen, Ranjan; Bhadra, Shyamal K
• We have fabricated new type of erbium doped fibre having core glass compositions of zirconia-yttria-alumino-phospho-silicate. With the proper combination of zirconia and aluminium with...

Investigation of single-polarized phosphate glass fiber laser and its self-pulsing behavior

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070K
• Proceedings of SPIE
• Yang, Fei; Pan, Zhengqing; Ye, Qing; Cai, Haiwen; Qu, Ronghui
• A compact short-cavity fiber laser configured with Er³⁺/Yb³⁺ highly co-doped phosphate glass fiber which has linear polarization and single frequency output is...

Adiabatic soliton compression based on distributed Raman amplification in dispersion decreasing fiber

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070L
• Proceedings of SPIE
• Jia, Dongfang; Chen, Jiong; Wang, Changle; Li, Yabin; Wang, Zhaoying; Yang, Tianxin
• In this paper, a novel soliton compressor based on dispersion decreasing fiber (DDF) assistant by Raman gain is studied. The influence of Raman gain on compression quality is analyzed....

A stable dual-wavelength single-longitudinal-mode fiber laser with a tunable wavelength spacing based on a chirped phase-shifted grating filter

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070M
• Proceedings of SPIE
• Jiang, Meng; Shum, Perry Ping; Lin, Bo; Tjin, Swee Chuan; Jiang, Yang
• A stable dual-wavelength with a tunable wavelength spacing fiber laser based on a chirped two phase-shifted grating filter is demonstrated. In the ring cavity, a chirped grating with...

Heavy Metal Fluoride Glass Fibers and their applications

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070N
• Proceedings of SPIE
• Saad, Mohammed

• The availability of high quality optical fibers with transmission window, larger than that of silica fiber, extends the use of optical fibers and open new application fields. There...

Low power and compact eight-channel reconfigurable optical add-drop multiplexers based on cascaded microring resonators

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070O
• Proceedings of SPIE
• Tian, Yonghui; Ji, Ruiqiang; Zhang, Lei; Ding, Jianfeng; Chen, Hongtao; Yang, Lin
• We report an eight-channel reconfigurable optical add-drop multiplexers (ROADMs) based on cascaded microring resonators with low tuning power and compact footprint. Microheaters are...

Compact water depth sensor with LPFG using the photoelastic effect and heat-shrinkable tube

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2011 paper: 83070P
• Proceedings of SPIE
• Takama, Shinya; Kudomi, Takamasa; Ohashi, Masaharu; Miyoshi, Yuji
• We propose a compact water depth sensor with a long period fiber grating (LPFG) using a heat-shrinkable tube. The pressure property of the LPFG is investigated experimentally to...