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Wavelength channel bandwidth of wavelength-selective devices [PDF]
Journal of Shanghai University (English Edition), 2001 Narrow bandwidth is a crucial factor in a high-performance wavelength-selective device (WSD). There are many different expressions to estimate bandwidths of many different WSDs. In this paper, we derive an important rule that the differential time delay between two coupling modes is the most important factor deciding the wavelength channel bandwidth ...
Ya-ming Wu, Yan-ping Xiao
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Psychoanalytic Psychotherapy, 1993
In this paper I have endeavoured to draw attention to what is meant when we refer to a patient as psychotic. It is argued that it is not enough just to be ordinarily sensitive to our patients; we need to tune into the psychotic wavelength with all its implications for understanding and management. Illustrative case‐histories are presented from everyday
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In this paper I have endeavoured to draw attention to what is meant when we refer to a patient as psychotic. It is argued that it is not enough just to be ordinarily sensitive to our patients; we need to tune into the psychotic wavelength with all its implications for understanding and management. Illustrative case‐histories are presented from everyday
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Wavelength Reservation in Wavelength-routed Optical Networks
Journal of Optical Communications, 2006A novel wavelength reservation protocol is proposed for wavelength-continuous lightpaths establishment in the wavelength-routed optical networks. The protocol uses backward reservation protocol (BRP) with intermediate retry to reduce the chance of blocking.
Jielan Xie, Jie Zhang, Wanyi Gu, Jian Li
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Wavelength requirements in wavelength-routed ring networks
Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference on Communications,, 1999In this paper, we discuss the wavelength requirements for wavelength-routed ring networks. A new integer linear programming (ILP) formulation is proposed for routing and wavelength assignment of wavelength path (WP) and virtual wavelength path (VWP) routing schemes.
Zhou Yuxun +3 more
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Dense Wavelength Division Multiplexing Networks: Principles and Applications
IEEE J. Sel. Areas Commun., 1990The very broad bandwidth of low-loss optical transmission in a single-mode fiber and the recent improvements in single-frequency tunable lasers have stimulated significant advances in dense wavelength division multiplexed optical networks.
C. Brackett
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Wavelength control of multi-wavelength laser
2021The invention pertains to a photonic integrated circuit device (1) comprising a lasing cavity (2) for resonating at a plurality of discrete wavelengths and an optical feedback cavity (3) operably coupled to the lasing cavity via a front surface (5) of the lasing cavity. The optical feedback cavity comprises a reflective element (4) for reflecting light,
Pawlus, Robert +3 more
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Wavelength reusability in wavelength-routed optical networks
Optical Fiber Communication Conference. Technical Digest Postconference Edition. Trends in Optics and Photonics Vol.37 (IEEE Cat. No. 00CH37079), 2002Wavelength reusability is proposed as an efficient criterion to evaluate the network performance in wavelength-routed optical networks. The maximum wavelength reusability is limited for a given network. The maximum wavelength reusability mainly depends on the average nodal degree.
Xiong Yizhi +3 more
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Optics Letters, 2014
We investigate the orthogonality of orbital angular momentum (OAM) with other multiplexing domains and present a free-space data link that uniquely combines OAM-, polarization-, and wavelength-division multiplexing.
Hao Huang +14 more
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We investigate the orthogonality of orbital angular momentum (OAM) with other multiplexing domains and present a free-space data link that uniquely combines OAM-, polarization-, and wavelength-division multiplexing.
Hao Huang +14 more
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Modulating Short Wavelength Fluorescence with Long Wavelength Light
Journal of the American Chemical Society, 2014Two molecules in which the intensity of shorter-wavelength fluorescence from a strong fluorophore is modulated by longer-wavelength irradiation of an attached merocyanine-spirooxazine reverse photochromic moiety have been synthesized and studied. This unusual fluorescence behavior is the result of quenching of fluorophore fluorescence by the thermally ...
Graeme Copley +14 more
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Wavelength-selective photodetectors operating at long wavelength
SPIE Proceedings, 2006We demonstrate a wavelength-selective photodetector that combines a Fabry-Perot filtering-cavity (FPC) with a taper absorption-cavity (TAC). The taper cavity shows non-resonant effect but exhibits absorption enhancement effect, so that high-speed, high quantum efficiency, wide tuning range and ultra-narrow spectral linewidth can be achieved ...
Hailin Cui +8 more
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