Topic
Optical polarization
About: Optical polarization is a research topic. Over the lifetime, 13992 publications have been published within this topic receiving 244284 citations.
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TL;DR: A TM/TE convenor is combined with a TE-pass polariser on a common LiNbO3 chip to obtain an integrated optical, acoustically tunable wavelength filter as discussed by the authors.
Abstract: A TM/TE convenor is combined with a TE-pass polariser on a common LiNbO3 chip to obtain an integrated optical, acoustically tunable wavelength filter Its tuning range is 145–157 μm wavelength with a filter half-width of 28 nm Owing to the combined acoustical/optical strip guide structure used in the mode convenor, a very low acoustic drive power of only 9 mW is required
79 citations
TL;DR: Simulation and design of all-optical logic gates OR, AND, XNOR, and XOR at ultrahigh speed by proposing the semiconductor optical amplifier-Mach-Zehnder interferometer (SOA-MZI) configuration are presented.
Abstract: This paper presents the simulation and design of all-optical logic gates OR, AND, XNOR, and XOR at ultrahigh speed by proposing the semiconductor optical amplifier-Mach-Zehnder interferometer (SOA-MZI) configuration. The simulations of all logic gates are obtained by SOA-MZI structure parameters at 40 and 120 Gb/s. The OR, AND, and XOR logics are implemented first time at 120 Gb/s by using single wavelength and an SOA-MZI. The XNOR logic is realized directly by the proposed SOA-MZI without any implementation with existing logics. Thus, realization of these logics at 40 and 120 Gb/s will enhance the future optical signal processing applications for super-high speed operation.
79 citations
21 Mar 2010
TL;DR: In this article, a coded polarization-multiplexed iterative polar modulation (IPM-IPM) was proposed as an enabling coded-modulation scheme for beyond 400Gb/s serial optical transmission.
Abstract: We propose a coded polarization-multiplexed iterative polar modulation (PM-IPM) as an enabling coded-modulation scheme for beyond 400Gb/s serial optical transmission. We demonstrate that the proposed scheme can achieve 400Gb/s optical transmission over 2250km (for M=3D16).
79 citations
TL;DR: In this paper, the spectral shift of the intrinsic Rayleigh backscatter signal along the optical fiber was measured and converted to temperature using swept wavelength interferometry for distributed fiber-optic temperature measurements in a nuclear reactor.
Abstract: We present the use of swept wavelength interferometry for distributed fiber-optic temperature measurements in a nuclear reactor. The sensors consisted of 2-m segments of commercially available, single mode optical fibers. The interrogation technique is based on measuring the spectral shift of the intrinsic Rayleigh backscatter signal along the optical fiber and converting the spectral shift to temperature.
79 citations
TL;DR: A scheme for generating pulsed polarization-entangled photon pairs based on conversion from time-bin entanglement to polarization entanglements by use of an orthogonal polarization delay circuit and post-selection is reported.
Abstract: We report a scheme for generating pulsed polarization-entangled photon pairs based on conversion from time-bin entanglement to polarization entanglement by use of an orthogonal polarization delay circuit and postselection. We have experimentally demonstrated the scheme, using a periodically poled lithium niobate waveguide, and successfully obtained polarization entanglement in the 1.55?µm telecom wavelength band.
79 citations