Results 231 to 240 of about 39,830 (276)

Multiwavelength lasers using AWGs

The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003., 2004
Multiwavelength lasers using AWGs can be used as digitally tunable lasers with simple channel selection, and for generating multiple wavelengths simultanously. In this paper a number of different configurations is reviewed.
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Calculation of imaging errors of awg

Journal of Lightwave Technology, 2003
This paper reports on the modeling of arrayed-waveguide gratings (AWGs) by means of Fourier optics where the coupling between the grating waveguides and defocus of the star couplers is taken into account as well. Special interest is drawn to the geometrical modeling of AWGs.
A. Klekamp, R. Munzner
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An AWG based optical router

2014 International Conference on Signal Processing and Integrated Networks (SPIN), 2014
Optical packet switching is considered as next generation data transfer technology in conjunction with mature electronics. In the design of optical routers, the main issue is the splitting loss of the devices and control unit complexity. Hence, much research has been done in designing of the simple routers.
S. Pallavi, M. Lakshmi
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Temperature sensitivity characteristics of AWGs

SPIE Proceedings, 2003
The thermal instability of central wavelength of AWG is analyzed theoretically. The analysis reveals that waveguide dispersion caused by temperature fluctuation of AWG is the primary source of the thermal instability whereas the thermal instability due to photo-elastic effect and thermal expansion of waveguides is comparatively small.
Samir K. Mondal, Frank G. Shi
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Optical signal processing using AWGs

2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR), 2013
Different AWG configurations are described, to implement the discrete Fourier transform and the discrete fractional Fourier transform for all-optical OFDM systems. Phased array switches and polarization multiplexers are presented, and new schemes for optical modulators.
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Theoretical study of crosstalk for AWGs

SPIE Proceedings, 2001
The relationship between crosstalk of an arrayed waveguide grating (AWG) and the parameters such as the width of the waveguide, the pitches of output waveguides and the number of waveguides in the array were studied theoretically and numerically in this paper. The beam propagation method (BPM) was used for numerically investigating the crosstalk.
Daqing Zhu, Dongsheng Lu, Zhene Xu, Wei Lei, Manli Zhou   +4 more
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The challenges of modelling AWG multiplexers

Proceedings of 2004 6th International Conference on Transparent Optical Networks (IEEE Cat. No.04EX804), 2004
Arrayed waveguide gratings (AWG), high performance optical (de)multiplexers, are central components in the realization of high-speed dense wavelength division multiplexing (DWDM) networks. However, their large size and structural complexity inhibit a thorough mathematical analysis, which restricts design.
S.C.M. Lidgate, P. Sewell, T.M. Benson, R.J. Bozeat   +3 more
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UV trimming of AWG devices

Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, 2003
We describe a method for improving AWG performance. This is a photosensitive phase adjustment technique with which the arrayed waveguide part is irradiated with UV laser light through a metal mask. We can reduce both the adjacent crosstalk and dispersion simultaneously for all channels.
K. Takada, M. Abe
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Athermal AWG for WDM-PON

Integrated Photonics and Nanophotonics Research and Applications / Slow and Fast Light, 2007
We review WDM-PON and its requirements for athermal AWG’s. Athermal AWG’s are commercially available today that can meet the requirements of a variety of WDM-PON designs and provide a cost-efficient and robust critical component.
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Progress in AWG design and technology

Proceedings of 2005 IEEE/LEOS Workshop on Fibres and Optical Passive Components, 2005., 2005
Arrayed waveguide gratings have found wide application in WDM links and networks. However, their major application in photonic integrated circuits still has to come. Key issues for a broad application of AWG's in photonic integrated circuits are small device dimensions in combination with a good performance and their potential for integration with ...
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