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Passive single-mode fiber depolarizer
Applied Optics, 1999We analyze and demonstrate a passive single-mode fiber depolarizer by using cascaded 2 x 2 couplers, recirculating delay lines, and a commercial laser diode. Design criteria and principles are discussed. We reduced the degree of polarization (DOP) to less than 20 dB by using ten cascaded couplers. The DOP can be reduced even further with more couplers.
P, Shen, J C, Palais
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All-single-mode fiber resonator
Optics Letters, 1982An all-fiber-ring resonator has been constructed using a single strand of single-mode optical fiber and a directional coupler. Derivation of the resonator finesse in terms of fiber and directional coupler parameters is given. A finesse of 80 has been achieved experimentally. Applications of such a fiber-ring resonator are discussed.
L F, Stokes, M, Chodorow, H J, Shaw
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Single-mode-fiber saturable absorber
Optics Letters, 1984Saturable absorption is performed on a signal in a single-mode fiber by allowing the evanescent field of the guided wave to interact with a saturable-absorbing dye. The evanescent field is exposed by mechanically removing a portion of the fiber cladding. The saturable material is then placed in close proximity to the fiber core.
W V, Sorin +3 more
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All Single Mode Fiber Optic Gyroscope
Optics Letters, 1981We present an optical fiber gyroscope that, for the first time, is composed completely of single-mode fiber-optic components. This system has increased simplicity and stability over previous bulk-optic designs and has the potential for very high rotation sensitivity.
R A, Bergh, H C, Lefevre, H J, Shaw
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Applied Optics, 2008
By splicing and tapering at the fusion point of one-core single-mode fiber and three- or four-core single-mode fiber, an effective bitapered fiber coupling technique is implemented. Based on the beam propagation method, the bitapered coupling characteristics between the one-core fiber and the multicore single-mode fiber are simulated and analyzed.
Libo, Yuan +3 more
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By splicing and tapering at the fusion point of one-core single-mode fiber and three- or four-core single-mode fiber, an effective bitapered fiber coupling technique is implemented. Based on the beam propagation method, the bitapered coupling characteristics between the one-core fiber and the multicore single-mode fiber are simulated and analyzed.
Libo, Yuan +3 more
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SPIE Proceedings, 1990
The technological aspects and researches results of single - mode fiber polarizer are described. Single - mode fiber has been polished and covered with metalic layer for undiserable polarization mode attenuation. The extinction ratio range from 10 to 28 dB was obtained at λ = 0.63 and 0.85 µm.
Leszek Jaroszewicz +3 more
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The technological aspects and researches results of single - mode fiber polarizer are described. Single - mode fiber has been polished and covered with metalic layer for undiserable polarization mode attenuation. The extinction ratio range from 10 to 28 dB was obtained at λ = 0.63 and 0.85 µm.
Leszek Jaroszewicz +3 more
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Single-mode fiber measurements
Optical Fiber Communication, 1987We review recent advances in the field of single-mode fiber measurements, pointing out the most promising developments. Although well-established techniques are already available for the most relevant parameters, there is still room for substantial improvement in terms of dynamic range, accuracy, and practicability of existing methods.
BRUNO COSTA, PIETRO DI VITA
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Proceedings of the IEEE, 1987
A variety of optical components have been made directly from single-mode fibers. These components can be combined to construct in-line all-fiber systems such as fiber gyroscopes, fiber Raman lasers, local area networks, or coherent lightwave systems. This paper reviews the present state of passive and active single-mode fiber components.
R.H. Stolen, R.P. De Paula
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A variety of optical components have been made directly from single-mode fibers. These components can be combined to construct in-line all-fiber systems such as fiber gyroscopes, fiber Raman lasers, local area networks, or coherent lightwave systems. This paper reviews the present state of passive and active single-mode fiber components.
R.H. Stolen, R.P. De Paula
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Optical Fiber Communication, 1983
With the increasing importance of monomode fibers, considerable thought has been devoted to design optimization. For telecommunications the technical goal of this work has been the simultaneous minimization of all forms of loss and dispersion over the widest possible wavelength region and with the broadest tolerance on key fiber parameters.
Donald B. Keck, V. A. Bhagavatula
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With the increasing importance of monomode fibers, considerable thought has been devoted to design optimization. For telecommunications the technical goal of this work has been the simultaneous minimization of all forms of loss and dispersion over the widest possible wavelength region and with the broadest tolerance on key fiber parameters.
Donald B. Keck, V. A. Bhagavatula
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Single-mode-fiber birefringent filters
Optics Letters, 1980It is proposed to utilize optical birefringence in single-mode fibers for construction of wavelength-dependent filters. The birefringence may be natural (a consequence of the drawing process) or induced through external stresses. In the latter case, simple variation of these stresses may be used to tune the filter transfer function.
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