MHz time stretch swept source using a commercial erbium-doped fiber amplifier

A. Martínez Jiménez; M. Spacek; M. Wacker; R. Huber; A. Bradu; A. Podoleanu

doi:10.1117/12.2651127

8 March 2023 MHz time stretch swept source using a commercial erbium-doped fiber amplifier

A. Martínez Jiménez, M. Spacek, M. Wacker, R. Huber, A. Bradu, A. Podoleanu

Proceedings Volume 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; 1236706 (2023) https://doi.org/10.1117/12.2651127
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

A MHz akinetic swept source is demonstrated by incorporating a commercial Erbium Doped Fiber Amplifier into a fiber laser cavity assembly. Such laser is brought into mode-locking based on nonlinear polarization rotation (NPR). After the laser, a dispersion compensating fiber is employed to time-stretch the broadband pulses obtained. Different cavity lengths are evaluated, leading to sweeping rates from 0.9 MHz to 9.65 MHz. A maximum of 67 nm bandwidth has been achieved. The swept source has been characterized using a Master-Slave procedure, obtaining an almost linear sweep.

Conference Presentation

Citation Download Citation

A. Martínez Jiménez, M. Spacek, M. Wacker, R. Huber, A. Bradu, and A. Podoleanu "MHz time stretch swept source using a commercial erbium-doped fiber amplifier", Proc. SPIE 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, 1236706 (8 March 2023); https://doi.org/10.1117/12.2651127

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