Passive laser mode locking with an antiresonant nonlinear mirror

A nonlinear mirror that is based on an antiresonant ring incorporating a nonlinear element sensitive to the polarization state of the circulating light has been developed. No phase matching of the mirror to the laser cavity is necessary, so the mirror does not need active length stabilization. Spont...

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Veröffentlicht in:	Optics letters 1990-07, Vol.15 (14), p.804-806
Hauptverfasser:	CARRUTHERS, T. F, DULING, I. N. III
Format:	Artikel
Sprache:	eng
Schlagworte:	426002 - Engineering- Lasers & Masers- (1990-) DESIGN ENGINEERING Exact sciences and technology Fundamental areas of phenomenology (including applications) LASER CAVITIES LASER MIRRORS Laser optical systems: design and operation LASERS MIRRORS MODE LOCKING Modulation, tuning, and mode locking NEODYMIUM LASERS NONLINEAR OPTICS OPTICS Physics SOLID STATE LASERS
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Beschreibung
Zusammenfassung:	A nonlinear mirror that is based on an antiresonant ring incorporating a nonlinear element sensitive to the polarization state of the circulating light has been developed. No phase matching of the mirror to the laser cavity is necessary, so the mirror does not need active length stabilization. Spontaneous mode locking occurs when the mirror is incorporated into a cw Nd:YAG laser. Pulses of 11-psec duration are produced at 1064 nm; two output beams at 532 nm are also generated. An analysis indicates that the primary mechanism responsible for passive mode locking is self-phase modulation in the nonlinear element.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.15.000804