OpticsInfoBase

A Switchable Demodulator for Both DPSK and DQPSK Formats

• Abstract
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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798602
• Proceedings of SPIE-OSA
• Zhang, Di; Liua, Wen; Chenb, Long; Hub, Qianggao; Xueb, Zhenfeng
• A single device which can demodulate both DPSK and DQPSK formats by simply rotating a quarter-wave plate is proposed in this paper. Through introducing LC ...

Passive Components Modeling for Optical Network-on-Chip

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798603
• Proceedings of SPIE-OSA
• Wang, Bo; O'Connor, Ian; Drouard, Emmanuel
• A modeling method for passive photonic components such as add-drop filters is presented, which allows for fast and accurate system-level ON_oC ...

CD and PMD Monitoring Based on RF Spectrum Analysis with Optical Filtering

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798604
• Proceedings of SPIE-OSA
• Yu, Changyuan; Yang, Jing
• Chromatic dispersion (CD) and polarization-mode dispersion (PMD) monitoring methods based on radio-frequency (RF) spectrum analysis and optical filtering are demonstrated. By using a...

PbSe quantum dots fiber amplifier based on sol-gel self-assembly method

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798605
• Proceedings of SPIE-OSA
• Sun, Xiaolan; Dong, Yanhua; Li, Chao; Liu, Xiaohong; Liu, Guangyao; Xie, Libin
• A PbSe quantum dots (QD_s) fiber amplifier has been demonstrated. The PbSe QD_s were synthesized via sol-gel self-assembly method. The size of PbSe QD_s...

Correlated photon pair generation in silicon wire waveguides

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798606
• Proceedings of SPIE-OSA
• Cheng, Jierong; Zhou, Qiang; Zhang, Wei; Huang, Yidong; Peng, Jiangde
• In this paper, correlated photon pairs at 1.55µm are generated in a silicon wire waveguidewith a length of 1.6 mm. The ratio between coincidence count rate and accidental coincidence...

Experimental Demonstration of ?π/2-Phase-Shifted SSFBG Encoder for Security Improvement in Time-spreading OCDMA

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798607
• Proceedings of SPIE-OSA
• Dai, Bo; Gao, Zhensen; Wang, Xu; Kataoka, Nobuyuki; Wada, Naoya
• We demonstrate the security improvement using ±π/2-phase-shifted SSFBG encoder in time-spreading OCDMA. Compared with conventional 0/π-phase-shifted SSFBG encoder, ±π/2-phase-shifted...

Silver nanowire based plasmon propagation, coupling and splitting at 1.55 µm wavelength

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798608
• Proceedings of SPIE-OSA
• Li, Qiang; Wang, Shanshan; Chen, Yiting; Yan, Min; Tong, Limin; Qiu, Min
• We experimentally demonstrate silver nanowire based plasmonic devices at optical communication wavelength 1.55 µm. The plasmon propagation loss in a 300 nm diameter silver nanowire...

Fractional Talbot effect induced rational-harmonic mode-locking of 40-GHz SOA fiber laser

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 798609
• Proceedings of SPIE-OSA
• Kang, Jung-Jui; Lee, Chao-Kuei; Lin, Gong-Ru
• The 2^nd-order fractional Talbot effect is employed to multiply the 10-GHz optical pulse-train injection for 2^nd-order ration-harmonic-mode-locking of a SOA...

Optical S-R latch demonstration using injection-locked single-mode FP-LD

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860A
• Proceedings of SPIE-OSA
• Rakib-Uddin, M; Hoai, Tran Q; Nakarmi, Bikash; Won, Yong Hyub
• An optical S-R latch is demonstrated using two injection locked single-mode (SM) Fabry-Perot laser diode (FP-LD). The S-R latch is based on the bi-stability and ...

Ge-codoped Laser Fibers for Mitigating Stimulated Brillouin Scattering in High Power Fiber Amplifiers

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860B
• Proceedings of SPIE-OSA
• Chen, Xin; Li, Ming-Jun; Liu, Anping
• Rare-earth doped fibers for high power fiber amplifiers normally have a small refractive index difference between the core and inner cladding, but have a larger ...

Dual-wavelength DFB Fiber Laser Based on Equivalent Phase Shift and Double Exposure Method

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860C
• Proceedings of SPIE-OSA
• Jia, Linghui; Zhang, Liang; Yin, Zuowei; Chen, Xiangfei
• A special sampling structure based on the double exposure technology is proposed to achieve dual-wavelength lasing in the distributed feedback (DFB) fiber ...

Transient State of Wavelength Tuning in Mode-Locked Lasers with a Dispersive Cavity

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860D
• Proceedings of SPIE-OSA
• Pan, Shilong; Lou, Caiyun
• Mode-locked lasers with a dispersive cavity whose wavelengths can be tuned by changing either cavity length or modulation frequency, are promising to generate single- or...

Numerical Analysis on Wavelength-switchable Lasers with Inhomogeneous and Homogeneous Line Broadening Media

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860E
• Proceedings of SPIE-OSA
• Qin, Shan; Zou, Yongzhuo; Zhu, Xiaoping
• An improved simulation model of switchable dual-wavelength laser has been proposed, with which the different stabilization behaviors with dual-wavelength lasers based on...

Design and fabrication of SU-8 arrayed-waveguide gratings using multimode interference couplers

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860F
• Proceedings of SPIE-OSA
• Zhu, Yunpeng; Yang, Bo; Jiao, Yuqing; Dai, Daoxin
• An SU-8-based arrayed-waveguide gratings (AWG) device with multimode interference couplers (MMI) is designed and fabricated. The demonstrated MMI-AWG device has 4 channels and the...

All-solid photonic bandgap fiber gratings

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860G
• Proceedings of SPIE-OSA
• Liu, Yan-ge; Wang, Zhi; Tai, Boyan; Xu, Jianbo
• In this paper, we review advances and our works in all-solid photonic bandgap fiber gratings. Especially, we report the fabrication and characterizations of long period fiber...

Fiber-optic temperature sensing based on LPFG fabricated with heat-shrinkable tube and screw

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860H
• Proceedings of SPIE-OSA
• TSUTSUMI, Yasuhiro; YAMAMOTO, Hisashi; MIYOSHI, Yuji; OHASHI, Masaharu
• We propose a fiber-optic temperature sensing method based on a long period fiber grating induced by a heat-shrinkable tube and a metric screw. Our proposed technique employs the...

Third Order Silicon (Si) Nitride Side-walled Grating using Silicon-On-Insulatir (SOI)

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860I
• Proceedings of SPIE-OSA
• Png, C E; Lim, S T; Li, E P; Danner, A J
• In this work, we demonstrate three-dimensional (3D) simulations of a third order silicon-based grating with full-width-half-maximum (FWKM) reflection bandwidth of 4nm. This is more...

Modeling of insertion loss of fiber Fabry-Perot filter with a bidirectional beam propagation method

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860J
• Proceedings of SPIE-OSA
• Qi, Haibing; Yu, Yonglin
• Insertion loss caused by diffraction effects may yield low throughput in the Fabry-Perot tunable filter. A bidirectional beam propagation method (BPM) is introduced to describe the...

An Optimal Design of 25-GHz Flat-top Multichannel Optical Filters

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860K
• Proceedings of SPIE-OSA
• Xu, Mingkai; Wu, Li Chuan; Li, Chi Chien; Yang, Huei Min
• We propose a new design of 25-GHz flat-top multichannel optical filter. The flat-top of optical filters can improve to 2.288?10^-11dB which is superior to that of 5 orders...

Birefringence Property of Asymmetric Structure Photonic Crystal Fiber

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• Asia Communications and Photonics Conference and Exhibition (ACP) 2010 paper: 79860L
• Proceedings of SPIE-OSA
• LIU, Mingsheng; YUE, Yingjuan; LI, Yan
• The random offset of hole-position or random variation of hole-diameter always occur during the actual manufacture process of asymmetric structure photonic crystal fibers....