Search Results - "WATEKAR, P. R"

Fabrication and Gamma-Ray Irradiation Effect on Optical and Mechanical Properties of Germano-Silicate Glass Fibers with Inner Cladding of B and F Doped Silica Glasses by Ju, S., Watekar, P. R., Ryu, Y.-T., Lee, Y., Kang, S. G., Kim, Y., Linganna, K., Kim, Y. H., Han, W.-T.

“…The effect of glass composition, pure silica glass, boron-doped and fluorine-doped silica glasses of inner cladding, in the germano-silicate glass core fibers…”
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Simultaneous compensation of dispersion and losses using Er-doped double-core optical fiber by WATEKAR, P. R, GOSWAM, M. L. N, BISWAS, J. C, ACHARYA, H. N

“…The Er-doped double-core dispersion compensating fiber (EDDCF) has been fabricated using modified chemical vapor deposition (MCVD) technique. We have obtained…”
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Linear and Nonlinear Optical Properties of Si Nanoparticles/ Er-Ions Doped Optical Fiber by Watekar, P.R., Songbae Moon, Aoxiang Lin, Seongmin Ju, Won-Taek Han

“…An alumino-germano-silica glass fiber doped with silicon nanoparticles and erbium ions was fabricated using the modified chemical vapor deposition (MCVD)…”
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Analysis of 1064-nm Pumped Tm-doped Silica Glass Fiber Amplifier Operating at 1470 nm by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…An approximate model, along with the experimental verification for thulium (Tm)-doped silica glass fiber amplifier at 1470 nm upon 1064-nm pumping, has been…”
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Design of Nonzero Dispersion Flattened Fiber Amplifier Optimized for S-Band Optical Communication by Watekar, P.R., Han, W.-T.

“…We present a new design of dispersion flattened optical fiber for flat nonzero dispersion in the S-band region. The optimized parameters of optical fiber are…”
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Experimental Realization of Silica-Glass Tm-Doped Fiber Amplifier With 11.3-dB Gain by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report the experimental realization of thulium-doped silica-glass fiber amplifier at 1470 nm. The gain was 11.3 dB upon pumping with 1064-nm fiber laser…”
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Effect of axial index dip on the characteristics of broadband dispersion compensating optical fiber by Watekar, P R, Goswami, M.L.N., Kher, S, Biswas, J C, Acharya, H N

“…The experimental studies of the characteristics of dispersion compensating optical fiber (DCF) with reference to its axial index dip have been reported. The…”
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Linear and non--linear optical properties of Yb(3)(+) /Tm(3)(+)co--doped alumino--silicate glass prepared by sol--gel method by Watekar, P R, Ju, S, Boo, S, Han, W T

“…We report the investigations of the Yb/Tm co-doped alumino-silicate glass prepared with the sol-gel method for the linear and non-linear optical…”
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Linear and non-linear optical properties of Yb3+/Tm3+ co-doped alumino-silicate glass prepared by sol-gel method by WATEKAR, Pramod R, JU, Seongmin, BOO, Seongjae, HAN, Won-Taek

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800-nm upconversion emission in Yb-sensitized Tm-doped optical fiber by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report, for the first time, the upconversion emission at 800 nm in Yb-sensitized Tm-doped alumino-germano-silicate glass optical fiber when pumped with the…”
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A Small-Signal Power Model for Tm-Doped Silica-Glass Optical Fiber Amplifier by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We propose and demonstrate experimentally a small-signal and small-gain regime model to analyze Tm-doped silica-glass optical fiber for amplifier application…”
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A Nd-YAG laser-pumped Tm-doped silica glass optical fiber amplifier at 840 nm by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…We report a simulation model as well as experimental realization of a novel single-mode Tm-doped silica glass optical fiber amplifier optimized for…”
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A simple method to estimate the dispersion of silica optical fiber having unknown refractive index profile parameters by Watekar, P.R., Seongmin Ju, Won-Taek Han

“…A new method to approximately determine the dispersion of the silica optical fiber with unknown refractive index profile parameters is presented. The estimated…”
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Estimation of effective cutoff wavelength of bend-insensitive fiber by angular splice loss measurement by Lin Htein, Weiwei Fan, Seongmin Ju, Watekar, P R, Won-Taek Han

“…Effective cutoff wavelength of bend insensitive fiber was estimated by measuring the angular splice loss as a function of wavelength. More accurate effective…”
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Development of a novel all-optical fiber isolator using a CdSe quantum dots doped optical fiber by Seongmin Ju, Youngwoong Kim, Watekar, P. R., Seongmook Jeong, Won-Taek Han

“…A novel all-optical fiber isolator with 14 dB isolation at 660 nm was developed by using a CdSe quantum dots doped optical fiber of 183 cm length at magnetic…”
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Experimental realization of a novel dispersion- compensating optical fiber amplifier for simultaneous compensation of positive dispersion and losses by WATEKAR, Pramod R, GOSWAMI, M. L. N, BISWAS, J. C, ACHARYA, H. N, PAL, B. P

“…Erbium-doped dispersion-compensating optical fiber (EDCF) has been theoretically simulated and experimentally fabricated using Modified Chemical Vapor…”
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