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We demonstrate a dual-wavelength, carbon nanotube mode-locked Er fiber laser. The laser outputs two wavelengths at 1549nm and 1562nm, and each wavelength corresponds to pulse duration of ∼1.3ps and repetition rate of ∼11.27MHz.
We fabricate double-wall carbon nanotube polymer composite saturable absorbers and demonstrate stable Q-switched and Mode-locked Thulium fiber lasers in a linear cavity and a ring cavity respectively.
We demonstrate optical arbitrary pulse generation using spectral line-by-line shaping on a mode-locked fiber laser. The pulse train within each period can be independently controlled as specified.
In this paper, we review spectral line-by-line pulse shaping, including examples of waveform generation, data demonstrating sensitivity to comb offset frequency, and requirements for high fidelity waveform generation. In order to achieve spectral line-by-line pulse shaping, we have improved the spectral resolution of grating-based pulse shapers to ~2.5 GHz, and performed experiments utilizing high...
We investigate the effect of optical frequency comb shifts on time-domain and RF-domain signals generated using phase-only line-by-line pulse shaping. As an application, we estimate the comb frequency offset fluctuations of a harmonically mode-locked laser.
A phase-modulated CW laser is used to emulate and investigate time-domain waveform noise observed in line-by-line pulse shaping of a mode-locked laser with optical frequency fluctuations
We demonstrate line-by-line pulse shaping control for optical arbitrary waveform generation (O-AWG). Independent manipulation of individual spectral lines from a mode-locked frequency comb leads to synthesis of user-specified ultrafast optical waveforms with unprecedented frequency resolution.
We demonstrate spectral line-by-line pulse shaping on a phase modulated CW laser. Extraction of a single line from a frequency comb is demonstrated, and the relationship between spectral line suppression and waveform distortion is investigated.
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