A 171 GHz harmonic-mode PLL with − 14.2 dBm output power in 65 nm CMOS
Sign Up to like & getrecommendations! Published in 2019 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-019-01413-1
Abstract: This letter presents a harmonic-mode PLL (H-PLL) that avoids additional multiplication, filtering, and amplification stages and thus results in an area-efficient implementation. A proof-of-concept 57.5-mW 65-nm CMOS PLL prototype operating at 171 GHz provides − 14.2 dBm… read more here.
Keywords: mode pll; pll; harmonic mode; dbm output ... See more keywords
Sub-nanosecond multiple-wavelength harmonic mode-locked Tm-Ho co-doped fiber laser
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106160
Abstract: Abstract We demonstrate an all-fiber sub-nanosecond passively mode-locked Tm-Ho co-doped fiber laser. With 1.1-km single-mode fiber (SMF) inserted into the cavity, the laser system can generate 183.4-kHz and 720-ps pulses based on a GaAs saturable… read more here.
Keywords: mode locked; mode; locked doped; doped fiber ... See more keywords
In2Se3 nanosheets for harmonic mode-locked fiber laser.
Sign Up to like & getrecommendations! Published in 2020 at "Nanotechnology"
DOI: 10.1088/1361-6528/ab8326
Abstract: Two-dimensional materials with a sheet structure have excellent optical, electrical and mechanical properties, and have attracted much attention in recent years, especially In2Se3 (the N-type semiconductor compound), which has a rapid development in the fields… read more here.
Keywords: mode locked; mode; fiber laser; locked fiber ... See more keywords
Harmonic Mode-Locking in Bidirectional Domain-Wall Soliton Fiber Lasers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2942185
Abstract: We report on the first experimental observation of passively harmonic mode-locking (HML) in a bidirectional domain-wall dark-soliton fiber laser. The domain-wall solitons (DWSs) are characterized, in which, the strong coupling between the two directions takes… read more here.
Keywords: domain wall; mode locking; mode; harmonic mode ... See more keywords
3 GHz passively harmonic mode-locked Er-doped fiber laser by evanescent field-based nano-sheets topological insulator.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.031244
Abstract: In this paper, we report on the experimental observation of harmonic mode locking (HML) fiber laser based on evanescent field of tapered fiber using topological insulator (TI) Bi2Te3 saturable absorber (SA). The optical deposition method… read more here.
Keywords: tapered fiber; fiber; fiber laser; evanescent field ... See more keywords
2 µm sub-GHz harmonic mode-locked soliton generation based on a Bi2S3 saturable absorber.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.446876
Abstract: Saturable absorber (SA) based harmonic mode-locking (HML) techniques at 2 µm waveband are much less reported than those at 1.5 µm waveband, the maximum repetition rate of the harmonic pulse generated by such techniques at… read more here.
Keywords: bi2s3; saturable absorber; harmonic mode; mode locked ... See more keywords
Ultra-high harmonic mode-locking with a micro-fiber knot resonator and Lyot filter.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.454243
Abstract: We report on ultra-high harmonic mode-locking with a repetition rate of up to ∼1 THz by combining a microfiber knot resonator (MKR) and a Lyot filter. The harmonic mode-locked pulses are tunable by changing the… read more here.
Keywords: mode locking; harmonic mode; ultra high; knot resonator ... See more keywords
Rational number harmonic mode-locked dual-loop optoelectronic oscillator with low supermode noise and low intermodulation distortions.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469810
Abstract: A rational number harmonic mode-locked dual-loop optoelectronic oscillator (RHML-DL-OEO) is proposed and experimentally demonstrated. In the proposed system, an external radio frequency (RF) signal and a feedback oscillating microwave signal drive two arms of a… read more here.
Keywords: noise; number harmonic; harmonic mode; rational number ... See more keywords
High-frequency vector harmonic mode locking driven by acoustic resonances.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.005112
Abstract: A controllable passive harmonic mode locking (HML) in an erbium-doped fiber laser with a soliton pulse shaping using a single-wall carbon nanotube has been experimentally demonstrated. By increasing the pump power and adjusting the in-cavity… read more here.
Keywords: high frequency; frequency; mode locking; frequency vector ... See more keywords