Single-frequency, single-polarization holmium-doped ZBLAN fiber laser

Xiushan Zhu, J. Zong, A. Miller, K. Wiersma, Robert A Norwood, N. S. Prasad, A. Chavez-Pirson, Nasser N Peyghambarian

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present the performance of a single frequency, single-polarization holmium (Ho3+)-doped ZBLAN (ZrF4-BaF2-LaF 3-AlF3-NaF) fiber laser at 1200 nm. This distributed Bragg reflector (DBR) fiber laser was developed by splicing a 22 mm long highly Ho3+-doped ZBLAN fiber to a pair of silica fiber Bragg gratings (FBG). The successful fusion splicing of silica fiber to ZBLAN fiber, with their very different melting temperatures, was accomplished by using NP Photonics proprietary splicing technique. The 3 mol% Ho3+-doped ZBLAN fiber had a core diameter of 6.5 μm and a cladding diameter of 125 μm. The threshold of this laser was seen to be about 260 mW, and when the pump power was 520 mW, the output power was about 10 mW. The efficiency of the 1200 nm single-frequency fiber laser, i.e. the ratio of the output power to the launched pump power, was about 3.8%. The linewidth of the 1200 nm single-frequency fiber laser was estimated to be about 100 kHz by comparing the measured frequency noise of the 1200 nm single-frequency fiber laser with that of 1 μm NP Photonics single-frequency fiber lasers whose linewidths have been measured to be in the 1- 10 kHz range. The relative intensity noise of this DBR all-fiber laser was measured to be < 110 dB/Hz at the relaxation oscillation peak and the polarization extinction ratio was measured to be > 19 dB. Due to its low phonon energy and long radiative lifetimes, rare-earth-doped ZBLAN allows various transitions that are typically terminated in silica glass, resulting in ultraviolet, visible, and infrared rare-earth doped ZBLAN lasers. Therefore, our results highlight the exciting prospect that the accessible wavelength range of single-frequency DBR fiber lasers can be expanded significantly by using rare-earth-doped ZBLAN fibers.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8601
DOIs
StatePublished - 2013
EventFiber Lasers X: Technology, Systems, and Applications - San Francisco, CA, United States
Duration: Feb 4 2013Feb 7 2013

Other

OtherFiber Lasers X: Technology, Systems, and Applications
CountryUnited States
CitySan Francisco, CA
Period2/4/132/7/13

Fingerprint

Holmium
holmium
Fiber Laser
Fiber lasers
fiber lasers
Polarization
polarization
splicing
Fiber
fibers
Rare Earths
Reflector
Silica
Fibers
Rare earths
DBR lasers
rare earth elements
Linewidth
Photonics
Silicon Dioxide

Keywords

  • 1.2 μm lasers
  • Holmium-doped ZBLAN
  • single-frequency fiber lasers

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Zhu, X., Zong, J., Miller, A., Wiersma, K., Norwood, R. A., Prasad, N. S., ... Peyghambarian, N. N. (2013). Single-frequency, single-polarization holmium-doped ZBLAN fiber laser. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8601). [86010Y] https://doi.org/10.1117/12.2003214

Single-frequency, single-polarization holmium-doped ZBLAN fiber laser. / Zhu, Xiushan; Zong, J.; Miller, A.; Wiersma, K.; Norwood, Robert A; Prasad, N. S.; Chavez-Pirson, A.; Peyghambarian, Nasser N.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8601 2013. 86010Y.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zhu, X, Zong, J, Miller, A, Wiersma, K, Norwood, RA, Prasad, NS, Chavez-Pirson, A & Peyghambarian, NN 2013, Single-frequency, single-polarization holmium-doped ZBLAN fiber laser. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8601, 86010Y, Fiber Lasers X: Technology, Systems, and Applications, San Francisco, CA, United States, 2/4/13. https://doi.org/10.1117/12.2003214
Zhu X, Zong J, Miller A, Wiersma K, Norwood RA, Prasad NS et al. Single-frequency, single-polarization holmium-doped ZBLAN fiber laser. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8601. 2013. 86010Y https://doi.org/10.1117/12.2003214
Zhu, Xiushan ; Zong, J. ; Miller, A. ; Wiersma, K. ; Norwood, Robert A ; Prasad, N. S. ; Chavez-Pirson, A. ; Peyghambarian, Nasser N. / Single-frequency, single-polarization holmium-doped ZBLAN fiber laser. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8601 2013.
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abstract = "We present the performance of a single frequency, single-polarization holmium (Ho3+)-doped ZBLAN (ZrF4-BaF2-LaF 3-AlF3-NaF) fiber laser at 1200 nm. This distributed Bragg reflector (DBR) fiber laser was developed by splicing a 22 mm long highly Ho3+-doped ZBLAN fiber to a pair of silica fiber Bragg gratings (FBG). The successful fusion splicing of silica fiber to ZBLAN fiber, with their very different melting temperatures, was accomplished by using NP Photonics proprietary splicing technique. The 3 mol{\%} Ho3+-doped ZBLAN fiber had a core diameter of 6.5 μm and a cladding diameter of 125 μm. The threshold of this laser was seen to be about 260 mW, and when the pump power was 520 mW, the output power was about 10 mW. The efficiency of the 1200 nm single-frequency fiber laser, i.e. the ratio of the output power to the launched pump power, was about 3.8{\%}. The linewidth of the 1200 nm single-frequency fiber laser was estimated to be about 100 kHz by comparing the measured frequency noise of the 1200 nm single-frequency fiber laser with that of 1 μm NP Photonics single-frequency fiber lasers whose linewidths have been measured to be in the 1- 10 kHz range. The relative intensity noise of this DBR all-fiber laser was measured to be < 110 dB/Hz at the relaxation oscillation peak and the polarization extinction ratio was measured to be > 19 dB. Due to its low phonon energy and long radiative lifetimes, rare-earth-doped ZBLAN allows various transitions that are typically terminated in silica glass, resulting in ultraviolet, visible, and infrared rare-earth doped ZBLAN lasers. Therefore, our results highlight the exciting prospect that the accessible wavelength range of single-frequency DBR fiber lasers can be expanded significantly by using rare-earth-doped ZBLAN fibers.",
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N2 - We present the performance of a single frequency, single-polarization holmium (Ho3+)-doped ZBLAN (ZrF4-BaF2-LaF 3-AlF3-NaF) fiber laser at 1200 nm. This distributed Bragg reflector (DBR) fiber laser was developed by splicing a 22 mm long highly Ho3+-doped ZBLAN fiber to a pair of silica fiber Bragg gratings (FBG). The successful fusion splicing of silica fiber to ZBLAN fiber, with their very different melting temperatures, was accomplished by using NP Photonics proprietary splicing technique. The 3 mol% Ho3+-doped ZBLAN fiber had a core diameter of 6.5 μm and a cladding diameter of 125 μm. The threshold of this laser was seen to be about 260 mW, and when the pump power was 520 mW, the output power was about 10 mW. The efficiency of the 1200 nm single-frequency fiber laser, i.e. the ratio of the output power to the launched pump power, was about 3.8%. The linewidth of the 1200 nm single-frequency fiber laser was estimated to be about 100 kHz by comparing the measured frequency noise of the 1200 nm single-frequency fiber laser with that of 1 μm NP Photonics single-frequency fiber lasers whose linewidths have been measured to be in the 1- 10 kHz range. The relative intensity noise of this DBR all-fiber laser was measured to be < 110 dB/Hz at the relaxation oscillation peak and the polarization extinction ratio was measured to be > 19 dB. Due to its low phonon energy and long radiative lifetimes, rare-earth-doped ZBLAN allows various transitions that are typically terminated in silica glass, resulting in ultraviolet, visible, and infrared rare-earth doped ZBLAN lasers. Therefore, our results highlight the exciting prospect that the accessible wavelength range of single-frequency DBR fiber lasers can be expanded significantly by using rare-earth-doped ZBLAN fibers.

AB - We present the performance of a single frequency, single-polarization holmium (Ho3+)-doped ZBLAN (ZrF4-BaF2-LaF 3-AlF3-NaF) fiber laser at 1200 nm. This distributed Bragg reflector (DBR) fiber laser was developed by splicing a 22 mm long highly Ho3+-doped ZBLAN fiber to a pair of silica fiber Bragg gratings (FBG). The successful fusion splicing of silica fiber to ZBLAN fiber, with their very different melting temperatures, was accomplished by using NP Photonics proprietary splicing technique. The 3 mol% Ho3+-doped ZBLAN fiber had a core diameter of 6.5 μm and a cladding diameter of 125 μm. The threshold of this laser was seen to be about 260 mW, and when the pump power was 520 mW, the output power was about 10 mW. The efficiency of the 1200 nm single-frequency fiber laser, i.e. the ratio of the output power to the launched pump power, was about 3.8%. The linewidth of the 1200 nm single-frequency fiber laser was estimated to be about 100 kHz by comparing the measured frequency noise of the 1200 nm single-frequency fiber laser with that of 1 μm NP Photonics single-frequency fiber lasers whose linewidths have been measured to be in the 1- 10 kHz range. The relative intensity noise of this DBR all-fiber laser was measured to be < 110 dB/Hz at the relaxation oscillation peak and the polarization extinction ratio was measured to be > 19 dB. Due to its low phonon energy and long radiative lifetimes, rare-earth-doped ZBLAN allows various transitions that are typically terminated in silica glass, resulting in ultraviolet, visible, and infrared rare-earth doped ZBLAN lasers. Therefore, our results highlight the exciting prospect that the accessible wavelength range of single-frequency DBR fiber lasers can be expanded significantly by using rare-earth-doped ZBLAN fibers.

KW - 1.2 μm lasers

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