Results 41 to 50 of about 25,039 (305)
IEEE Photonics Journal, 2019 In this paper, we realize an adjustable biphoton frequency comb and investigate its spatial quantum beating. Vector spontaneous four wave mixing processes in a piece of dispersion shifted fiber are produced by non-degenerate continuous wave pump lights ...
Rong Xue +8 more
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Mechanical overtone frequency combs
Nature Communications, 2023 AbstractMechanical frequency combs are poised to bring the applications and utility of optical frequency combs into the mechanical domain. So far, their main challenge has been strict requirements on drive frequencies and power, which complicate operation.
Matthijs H. J. de Jong +4 more
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Broadband Optical Frequency Comb Generation With Flexible Frequency Spacing and Center Wavelength
IEEE Photonics Journal, 2018 A broadband optical frequency comb with a flexible frequency spacing and a center wavelength is proposed and experimentally demonstrated. The proposed scheme consists of a single continuous-wave laser, cascaded Mach–Zehnder modulator (MZM) and ...
Siyuan Yu, Fangdi Bao, Hao Hu
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Femtosecond Optical Frequency Combs [PDF]
The European Physical Journal Special Topics, 2009 A laser frequency comb allows the conversion of the very rapid oscillations of visible light of some 100’s of THz down to frequencies that can be handled with conventional electronics. This capability has enabled the most precise laser spectroscopy experiments yet that allowed to test quantum electrodynamics, to determine fundamental constants and to ...
Udem, T., Holzwarth, R., Hänsch, T.
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Frequency-comb-linearized, widely tunable lasers for coherent ranging
, 2023 Tunable lasers, with the ability to continuously adjust their emission wavelengths, have found widespread applications across various fields such as biomedical imaging, coherent ranging, optical communications and spectroscopy.
Baoqi Shi (14776669) +7 more
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Engineering, 2018 Absolute distance measurement is a fundamental technique in mobile and large-scale dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits phase resolution and frequency accuracy for high-precision and fast-rate distance ...
Zebin Zhu, Guanhao Wu
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Nanophotonics, 2016 A number of dielectric materials have been employed for on-chip frequency comb generation. Silicon based dielectrics such as silicon dioxide (SiO2) and silicon nitride (SiN) are particularly attractive comb materials due to their low optical loss and ...
Jung Hojoong, Tang Hong X.
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Results in Optics, 2021 We demonstrate the spectral broadening of an octave-spanning erbium-based frequency comb in two types of periodically poled lithium niobate (PPLN) waveguides.
Yuma Goji +4 more
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Europhysics LettersAbstract We identify a new class of time-periodic attractor solutions in scalar-field cosmology, which we term Cosmological Frequency Combs (CFC). These solutions arise in exponential quintessence models with a phantom matter background and exhibit coherent phase-locked ...
Trivedi, Oem +2 more
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Frequency pushing and pulling in semiconductor lasers subject to optical frequency comb injection
Results in EngineeringWe theoretically investigate the frequency shift of a free-running semiconductor laser when optically injected by an optical frequency comb. By numerical integration of the laser rate equations, we have identified two types of frequency shifts, frequency
Wafa Althobaity +2 more
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