We demonstrate polymer optical fiber Bragg grating directly inscribed using a femtosecond laser for flexible and wearable sensing applications. An elastic strain exceeding 4% has been achieved with an axial strain sen...
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We propose a method of tuning the repetition rate of soliton microcombs by temperature. The tunable range reaches 12 MHz. The trade-off between acquisition rate and precision of ranging systems is overcome without add...
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We investigate a "Voigt laser"at Cs-D2 resonance line 852 nm using a Voigt anomalous dispersion optical filter (VADOF) as frequency-selecting element. The wavelength of the Voigt laser is stabilized within t...
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We propose a scheme for realizing a chip-scale optical clock based on modulation transfer spectroscopy. By using on-chip laser, lithium niobate thin film waveguides and MEMS cells, the laser frequency can be stabilize...
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The modulation bandwidth of silicon-based photonics is limited to approximately 60 GHz because of the maximum carrier mobility,which limits its development in high-capacity and high-speed information *** niobate has r...
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The modulation bandwidth of silicon-based photonics is limited to approximately 60 GHz because of the maximum carrier mobility,which limits its development in high-capacity and high-speed information *** niobate has received much attention due to its excellent electro-optic properties.
We propose and experimentally demonstrate a batch dimension processing scheme based on the micro-ring weighting bank, which can at least quadruple the computing capability of the photonic tensor core without extra wei...
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We leverage modulator finite extinction ratio-induced residual carrier for transparent digital signal processing in coherent time-frequency-division-multiplexing PON. We experimentally demonstrate flexible data rates ...
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Advancements in the experimental toolbox of cold atoms have enabled the meticulous control of atomic Bloch oscillation(BO)within optical lattices,thereby enhancing the capabilities of gravity *** work delves into the ...
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Advancements in the experimental toolbox of cold atoms have enabled the meticulous control of atomic Bloch oscillation(BO)within optical lattices,thereby enhancing the capabilities of gravity *** work delves into the impact of thermal effects on Bloch oscillation in 1D accelerated optical lattices aligned with gravity by varying the system's initial temperature,Through the application of Raman cooling,we effec-tively reduce the longitudinal thermal effect,stabilizing the longitudinal coherence length over the timescale of its *** atomic losses over multiple Bloch periods are measured,which are primarily attributed to transverse ***,we identify two distinct inverse scaling behaviors in the oscillation lifetime scaled by the corresponding density with respect to temperatures,implying diverse equilibrium processes within or outside the Bose-Einstein condensate(BEC)*** compe-tition between the system's coherence and atomic density leads to a rela-tively smooth variation in the actual lifetime versus *** find-ings provide valuable insights into the interaction between thermal effects and BO,offering avenues for the refinement of quantum measurement technologies.
We propose and experimentally demonstrate an inter-subcarrier crosstalk cancellation algorithm for fasterthan-Nyquist transmission. At 20% HD-FEC threshold, the achievable faster-than-Nyquist rate improves from 0.875 ...
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We demonstrate different structures of high-order topological insulators supporting topologically protected biphoton states and theoretically explained that the photon pairs generated from the four-wave mixing (FWM) p...
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