Self-starting passively mode-locked fibre ring laser exploiting nonlinear polarisation switching
نویسندگان
چکیده
منابع مشابه
Unidirectional ring resonators for self-starting passively mode-locked lasers.
Mode pulling and 6talon effects have been claimed to prevent self-starting in passively mode-locked lasers that use fast saturable absorbers. A unidirectional ring geometry significantly reduces backscatter coupling and thus should facilitate self-starting. We present supportive evidence and demonstrate true self-starting in self-stabilized, passively mode-locked Ti:sapphire and erbium fiber la...
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We show both numerically and experimentally that dispersion management can be realized by manipulating the dispersion of a filter in a passively mode-locked fibre laser. A programmable filter the dispersion of which can be software configured is employed in the laser. Solitons, stretched-pulses, and dissipative solitons can be targeted reliably by controlling the filter transmission function on...
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The passive mode locking of a cw Coumarin 6 dye laser in a colliding-pulse ring configuration is reported. Pulses of less than 500-fsec duration have been obtained from 518 to 554 nm, with the shortest pulses obtained being of 96-fsec duration.
متن کاملGraphene-based passively mode-locked bidirectional fiber ring laser.
We present an all-fiber bidirectional passively mode-locked soliton laser with a graphene-based saturable absorber for the first time to the best of our knowledge. Our design includes a four-port circulator to introduce different sections of cavity for the two counter-propagating pulses, so they have distinct output characteristics. Simultaneous bidirectional operation is achieved by appropriat...
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Femtosecond laser physics has been transformed by the advent of the titanium-doped sapphire laser, which has been mode locked by conventional and novel means (e.g., Refs. 1-7) and directly yielded pulses as short as 25 fs.' The observation of selfmode locking5 has led to the realization that the nonlinear refractive index of the laser medium can be used to provide both amplitude modulation, thr...
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ژورنال
عنوان ژورنال: Optics Communications
سال: 1992
ISSN: 0030-4018
DOI: 10.1016/0030-4018(92)90219-h