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Frequency- and intensity-noise suppression in Yb3+-doped single-frequency fiber laser by a passive optical-feedback loop.
Opt Express. 2016 Jun 13; 24(12):12991-9.OE

Abstract

The frequency and intensity noise of an Yb3+-doped single-frequency distributed Bragg reflector (DBR) fiber laser are effectively reduced by a simple, passive optical-feedback loop (POFL), which consists of only two optical couplers. The feedback loop, which has resonance with the high reflective grating of the DBR laser and relative long optical path compared to the DBR cavity, results in narrower linewidth and lower relative intensity noise (RIN) in the feedback signal. The RIN of relaxation oscillation is reduced by 20dB from -99.9dB/Hz @ 993 kHz to -119.4dB/Hz @ 192 kHz, and the frequency noise was suppressed at frequencies higher than 1 kHz, with a maximum reduction of about 30 dB from 10 kHz to 100 kHz, which results in a spectral linewidth compression from 3.96 kHz to 540 Hz. Even after one fiber amplification stage, the noise did not increase significantly, and a spectral linewidth well below 1 kHz were also achieved at output power of 10W.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27410318

Citation

Hou, Yubin, et al. "Frequency- and Intensity-noise Suppression in Yb3+-doped Single-frequency Fiber Laser By a Passive Optical-feedback Loop." Optics Express, vol. 24, no. 12, 2016, pp. 12991-9.
Hou Y, Zhang Q, Wang P. Frequency- and intensity-noise suppression in Yb3+-doped single-frequency fiber laser by a passive optical-feedback loop. Opt Express. 2016;24(12):12991-9.
Hou, Y., Zhang, Q., & Wang, P. (2016). Frequency- and intensity-noise suppression in Yb3+-doped single-frequency fiber laser by a passive optical-feedback loop. Optics Express, 24(12), 12991-9. https://doi.org/10.1364/OE.24.012991
Hou Y, Zhang Q, Wang P. Frequency- and Intensity-noise Suppression in Yb3+-doped Single-frequency Fiber Laser By a Passive Optical-feedback Loop. Opt Express. 2016 Jun 13;24(12):12991-9. PubMed PMID: 27410318.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Frequency- and intensity-noise suppression in Yb3+-doped single-frequency fiber laser by a passive optical-feedback loop. AU - Hou,Yubin, AU - Zhang,Qian, AU - Wang,Pu, PY - 2016/7/14/entrez PY - 2016/7/15/pubmed PY - 2016/7/15/medline SP - 12991 EP - 9 JF - Optics express JO - Opt Express VL - 24 IS - 12 N2 - The frequency and intensity noise of an Yb3+-doped single-frequency distributed Bragg reflector (DBR) fiber laser are effectively reduced by a simple, passive optical-feedback loop (POFL), which consists of only two optical couplers. The feedback loop, which has resonance with the high reflective grating of the DBR laser and relative long optical path compared to the DBR cavity, results in narrower linewidth and lower relative intensity noise (RIN) in the feedback signal. The RIN of relaxation oscillation is reduced by 20dB from -99.9dB/Hz @ 993 kHz to -119.4dB/Hz @ 192 kHz, and the frequency noise was suppressed at frequencies higher than 1 kHz, with a maximum reduction of about 30 dB from 10 kHz to 100 kHz, which results in a spectral linewidth compression from 3.96 kHz to 540 Hz. Even after one fiber amplification stage, the noise did not increase significantly, and a spectral linewidth well below 1 kHz were also achieved at output power of 10W. SN - 1094-4087 UR - https://www.unboundmedicine.com/medline/citation/27410318/Frequency__and_intensity_noise_suppression_in_Yb3+_doped_single_frequency_fiber_laser_by_a_passive_optical_feedback_loop_ DB - PRIME DP - Unbound Medicine ER -
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