In this paper we propose a new scheme to realize the chip-scale optical clock by using a dual-wavelength modulation transfer spectroscopy (DWMTS). The electro-optical modulator (EOM) and isolator in conventional modul...
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Gyroscopes are crucial components of inertial navigation systems, with ongoing development emphasizing miniaturization and enhanced accuracy. The recent advances in chip-scale optical gyroscopes utilizing integrated o...
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Gyroscopes are crucial components of inertial navigation systems, with ongoing development emphasizing miniaturization and enhanced accuracy. The recent advances in chip-scale optical gyroscopes utilizing integrated optics have attracted considerable attention, demonstrating significant advantages in achieving tactical-grade *** this paper, a new, to our knowledge, integrated optical gyroscope scheme based on the multi-mode co-detection technology is proposed, which takes the high-Q microcavity as its core sensitive element and uses the multi-mode characteristics of the microcavity to achieve the measurement of rotational angular velocity. This detection scheme breaks the tradition of optical gyroscopes based on a single mode within the sensitive ring to detect the angular rotation rate, which not only greatly simplifies the optical and electrical system of the optical gyroscope, but also has a higher detection accuracy. The gyroscope based on this detection scheme has successfully detected the Earth's rotation on a 9.2 mm diameter microcavity with a bias instability as low as 1 deg/h, which is the best performance among the chip-scale integrated optical gyroscopes known to us.
We experimentally demonstrate the combination of learned modified DBP and adaptive equalizer to compensate for intra- and inter-channel nonlinearity, in an 8× 125Gbaud 16QAM system over 1600km SSMF, showing a 97....
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We propose an interleaved PDM WDM IM/DD scheme avoiding carrier fading with only one optical filter and one photodiode per polarization. With probabilistic shaping, we demonstrate 4×500Gb/s IM/DD interconnects of...
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We propose a residual-carrier modulation scheme for carrier frequency and phase recovery. With a low-cost 3-MHz linewidth DFB laser, we demonstrate a net rate of 1-Tb/s PS-256-QAM transmission over 80-km SSMF. The pro...
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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 a mode-division-multiplexing (MDM) self-homodyne coherent system over weakly-coupled multiple-ring-core 10-mode fibre and experimentally demonstrate single-core 7.2-Tb/s (5.64-Tb/s net rate) transmission wi...
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In the paper, we design a monitoring and management system (MMS) for optical fiber time transfer (OFTT) based on manager/agent model. The proposed system includes monitoring and management server (MM-Server), monitori...
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A distributed dispersion manage system is proposed for mitigating fibre nonlinearities and dispersion in fibre transmission through optimizing accumulated chromatic dispersion (aCD) distribution. 0.7 dB OSNR improveme...
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We propose a novel visual optical splitter used in passive optical network (PON) architecture to realize PON monitoring with the help of a multi-wavelength optical time domain reflectometry (OTDR), which reduce 10 dB ...
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