Femtosecond passively mode-locked Ti:Al sub 2 O sub 3 laser with a nonlinear external cavity
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (US)
- Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts 02173
Ultrashort pulses are generated in a Ti:Al{sub 2}O{sub 3} laser by using a coupled nonlinear external cavity. The external cavity uses self-phase modulation in an optical fiber to achieve passive mode locking without the need for synchronous pumping or acousto-optic modulation. A stable train of chirped 1.4-psec pulses is generated. After dispersive compensation, pulses as short as 200 fsec are obtained.
- OSTI ID:
- 5259103
- Journal Information:
- Optics Letters; (USA), Journal Name: Optics Letters; (USA) Vol. 14:20; ISSN 0146-9592; ISSN OPLED
- Country of Publication:
- United States
- Language:
- English
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