Single-Polarization Single-Mode Photonic Band Gap Fiber
نویسندگان
چکیده
منابع مشابه
Single-Mode Photonic Band Gap Guidance of Light in Air.
The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated. Only certain wavelength bands are confined and guided down the fiber, each band corresponding to the presence of a full two-dimensional band gap in the photonic crystal cladding. Single-mode vacuum waveguides have a multitude of potential applications from ultrahigh-power tra...
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0030-4018/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.optcom.2009.05.033 * Corresponding author. E-mail address: [email protected] (Z. Zhen We report a novel design of photonic crystal fiber (PCF) with a rectangular array of four closely-spaced, highly elliptical air holes in the core region and a circular-air-hole cladding. The proposed PCF is able to support ultra-wideband sing...
متن کاملBandwidth optimization of single-polarization single-mode photonic crystal fibers
We present an algorithm for computing single-polarization single-mode (SPSM) photonic crystal fibers with optimal bandwidth. Our approach is a topology optimization strategy based on convex conic optimization combined with a subspace method. The original problem of maximizing the bandwidth between the fundamental guided mode and the higher order unguided modes is reformulated as a problem of op...
متن کاملEndlessly single-mode photonic crystal fiber.
We made an all-silica optical fiber by embedding a central core in a two-dimensional photonic crystal with a micrometer-spaced hexagonal array of air holes. An effective-index model confirms that such a fiber can be single mode for any wavelength. Its useful single-mode range within the transparency window of silica, although wide, is ultimately bounded by a bend-loss edge at short wavelengths ...
متن کاملHoley fiber design for single-polarization single-mode guidance.
We propose a holey fiber design to achieve single-polarization single-mode (SPSM) guidance. The photonic crystal fiber (PCF) has a triangular-lattice with elliptical airholes in the microstructured cladding and circular airholes in the core. The SPSM guidance can be obtained by designing the PCF structure such that the fundamental space-filling mode (FSM) of the core region is positioned betwee...
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ژورنال
عنوان ژورنال: Acta Physica Polonica A
سال: 2007
ISSN: 0587-4246,1898-794X
DOI: 10.12693/aphyspola.111.239