Abstract

Mode instabilities have quickly become the most limiting effect when it comes to scaling the output average power of fiber laser systems. In consequence, there is an urgent need for effective strategies to mitigate it and, thus, to increase the power threshold at which it appears. Passive mitigation strategies can be classified into intrinsic, which are related to the fiber design, and extrinsic, which require a modification of the setup. In order to evaluate the impact of mitigation strategies, a means to calculate its power threshold and predict its behavior is required. In this paper we present a simple semi-analytic formula that is able to predict the changes of the mode instability threshold by analyzing the strength of the thermally-induced waveguide perturbations. Furthermore, we propose two passive mitigation strategies, one intrinsic and one extrinsic, that should lead to a significant increase of the power threshold of mode instabilities.

© 2013 OSA

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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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2013

2012

2011

2010

2006

1999

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

1997

T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol.15(8), 1277–1294 (1997).
[CrossRef]

1995

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

1994

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

1983

T. J. Kane, R. C. Eckardt, and R. L. Byer, “Reduced thermal focussing and birefringence in zig-zag slab geometry crystalline lasers,” IEEE J. Quantum Electron.19(9), 1351–1354 (1983).
[CrossRef]

1960

T. Maiman, “Stimulated optical radiation in Ruby,” Nature187(4736), 493–494 (1960).
[CrossRef]

Alkeskjold, T. T.

Andersen, T. V.

Barber, P. R.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Brauch, U.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Broderick, N. G. R.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Broeng, J.

Byer, R. L.

T. J. Kane, R. C. Eckardt, and R. L. Byer, “Reduced thermal focussing and birefringence in zig-zag slab geometry crystalline lasers,” IEEE J. Quantum Electron.19(9), 1351–1354 (1983).
[CrossRef]

Caplen, J.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Carman, R. J.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Clarkson, W. A.

Dajani, I.

Dawes, J. M.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Dong, L.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Eckardt, R. C.

T. J. Kane, R. C. Eckardt, and R. L. Byer, “Reduced thermal focussing and birefringence in zig-zag slab geometry crystalline lasers,” IEEE J. Quantum Electron.19(9), 1351–1354 (1983).
[CrossRef]

Eidam, T.

H.-J. Otto, F. Stutzki, F. Jansen, T. Eidam, C. Jauregui, J. Limpert, and A. Tünnermann, “Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers,” Opt. Express20(14), 15710–15722 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-15710 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Temperature-induced index gratings and their impact on mode instabilities in high-power fiber laser systems,” Opt. Express20(1), 440–451 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-440 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, H. J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Physical origin of mode instabilities in high-power fiber laser systems,” Opt. Express20(12), 12912–12925 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12912 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, J. Limpert, and A. Tünnermann, “The impact of modal interference on the beam quality of high-power fiber amplifiers,” Opt. Express19(4), 3258–3271 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-4-3258 .
[CrossRef] [PubMed]

F. Stutzki, F. Jansen, T. Eidam, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power large-pitch fiber amplifier with robust single-mode operation,” Opt. Lett.36(5), 689–691 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-5-689 .
[CrossRef] [PubMed]

T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, “Femtosecond fiber CPA system emitting 830 W average output power,” Opt. Lett.35(2), 94–96 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=ol-35-2-94 .
[CrossRef] [PubMed]

Erdogan, T.

T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol.15(8), 1277–1294 (1997).
[CrossRef]

Ermeneux, S.

Gabler, T.

Giesen, A.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Hanf, S.

Hanna, D. C.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Hansen, K. R.

Hügel, H.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Jansen, F.

Jauregui, C.

C. Jauregui, T. Eidam, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Temperature-induced index gratings and their impact on mode instabilities in high-power fiber laser systems,” Opt. Express20(1), 440–451 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-440 .
[CrossRef] [PubMed]

H.-J. Otto, F. Stutzki, F. Jansen, T. Eidam, C. Jauregui, J. Limpert, and A. Tünnermann, “Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers,” Opt. Express20(14), 15710–15722 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-15710 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, H. J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Physical origin of mode instabilities in high-power fiber laser systems,” Opt. Express20(12), 12912–12925 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12912 .
[CrossRef] [PubMed]

F. Stutzki, F. Jansen, T. Eidam, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power large-pitch fiber amplifier with robust single-mode operation,” Opt. Lett.36(5), 689–691 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-5-689 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, J. Limpert, and A. Tünnermann, “The impact of modal interference on the beam quality of high-power fiber amplifiers,” Opt. Express19(4), 3258–3271 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-4-3258 .
[CrossRef] [PubMed]

H.-J. Otto, C. Jauregui, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Controlling mode instabilities by dynamic mode excitation with an acousto-optic deflector,” Opt. Express. submitted.

Jørgensen, M. M.

Kane, T. J.

T. J. Kane, R. C. Eckardt, and R. L. Byer, “Reduced thermal focussing and birefringence in zig-zag slab geometry crystalline lasers,” IEEE J. Quantum Electron.19(9), 1351–1354 (1983).
[CrossRef]

Lægsgaard, J.

Laurila, M.

Limpert, J.

C. Jauregui, T. Eidam, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Temperature-induced index gratings and their impact on mode instabilities in high-power fiber laser systems,” Opt. Express20(1), 440–451 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-440 .
[CrossRef] [PubMed]

H.-J. Otto, F. Stutzki, F. Jansen, T. Eidam, C. Jauregui, J. Limpert, and A. Tünnermann, “Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers,” Opt. Express20(14), 15710–15722 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-15710 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, H. J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Physical origin of mode instabilities in high-power fiber laser systems,” Opt. Express20(12), 12912–12925 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12912 .
[CrossRef] [PubMed]

F. Stutzki, F. Jansen, T. Eidam, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power large-pitch fiber amplifier with robust single-mode operation,” Opt. Lett.36(5), 689–691 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-5-689 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, J. Limpert, and A. Tünnermann, “The impact of modal interference on the beam quality of high-power fiber amplifiers,” Opt. Express19(4), 3258–3271 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-4-3258 .
[CrossRef] [PubMed]

T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, “Femtosecond fiber CPA system emitting 830 W average output power,” Opt. Lett.35(2), 94–96 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=ol-35-2-94 .
[CrossRef] [PubMed]

J. Limpert, O. Schmidt, J. Rothhardt, F. Röser, T. Schreiber, A. Tünnermann, S. Ermeneux, P. Yvernault, and F. Salin, “Extended single-mode photonic crystal fiber lasers,” Opt. Express14(7), 2715–2720 (2006), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-7-2715 .
[CrossRef] [PubMed]

H.-J. Otto, C. Jauregui, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Controlling mode instabilities by dynamic mode excitation with an acousto-optic deflector,” Opt. Express. submitted.

MacKechnie, C. J.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Maiman, T.

T. Maiman, “Stimulated optical radiation in Ruby,” Nature187(4736), 493–494 (1960).
[CrossRef]

Nilsson, J.

Offerhaus, H. L.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Opower, H.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Otto, H. J.

Otto, H.-J.

Pask, H. M.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Richardson, D. J.

D. J. Richardson, J. Nilsson, and W. A. Clarkson, “High power fiber lasers: current status and future perspectives [Invited],” J. Opt. Soc. Am. B27(11), B63–B92 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=josab-27-11-B63 .
[CrossRef]

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Robin, C.

Röser, F.

Rothhardt, J.

Salin, F.

Sammut, R. A.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, “Large mode area fibers for high power applications,” Opt. Fiber Technol.5(2), 185–196 (1999).
[CrossRef]

Schmidt, O.

Schreiber, T.

Seise, E.

Smith, A. V.

Smith, J. J.

Steinmetz, A.

Stutzki, F.

Tropper, A. C.

H. M. Pask, R. J. Carman, D. C. Hanna, A. C. Tropper, C. J. MacKechnie, P. R. Barber, and J. M. Dawes, “Ytterbiumdoped silica fiber lasers—versatile sources for the 1–1.2 µm region,” IEEE J. Sel. Top. Quantum Electron.1(1), 2–13 (1995).
[CrossRef]

Tünnermann, A.

C. Jauregui, T. Eidam, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Temperature-induced index gratings and their impact on mode instabilities in high-power fiber laser systems,” Opt. Express20(1), 440–451 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-440 .
[CrossRef] [PubMed]

H.-J. Otto, F. Stutzki, F. Jansen, T. Eidam, C. Jauregui, J. Limpert, and A. Tünnermann, “Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers,” Opt. Express20(14), 15710–15722 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-15710 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, H. J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Physical origin of mode instabilities in high-power fiber laser systems,” Opt. Express20(12), 12912–12925 (2012), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12912 .
[CrossRef] [PubMed]

F. Stutzki, F. Jansen, T. Eidam, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power large-pitch fiber amplifier with robust single-mode operation,” Opt. Lett.36(5), 689–691 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-5-689 .
[CrossRef] [PubMed]

C. Jauregui, T. Eidam, J. Limpert, and A. Tünnermann, “The impact of modal interference on the beam quality of high-power fiber amplifiers,” Opt. Express19(4), 3258–3271 (2011), http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-4-3258 .
[CrossRef] [PubMed]

T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, “Femtosecond fiber CPA system emitting 830 W average output power,” Opt. Lett.35(2), 94–96 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=ol-35-2-94 .
[CrossRef] [PubMed]

J. Limpert, O. Schmidt, J. Rothhardt, F. Röser, T. Schreiber, A. Tünnermann, S. Ermeneux, P. Yvernault, and F. Salin, “Extended single-mode photonic crystal fiber lasers,” Opt. Express14(7), 2715–2720 (2006), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-7-2715 .
[CrossRef] [PubMed]

H.-J. Otto, C. Jauregui, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann, “Controlling mode instabilities by dynamic mode excitation with an acousto-optic deflector,” Opt. Express. submitted.

Voss, A.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Ward, B.

Wirth, C.

Witting, K.

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

Yvernault, P.

Appl. Phys. B

A. Giesen, H. Hügel, A. Voss, K. Witting, U. Brauch, and H. Opower, “Scalable concept for diode-pumped high-power solid-state lasers,” Appl. Phys. B58(5), 365 (1994).
[CrossRef]

IEEE J. Quantum Electron.

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