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| ■PPLN (Periodically poled MgSLN / MgCLN) |
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QPM wavelength conversion devices
-Material:
MgO 5.0 mol% doped Congruent LiNbO3 (MgCLN)
MgO 1.3 mol% doped Stoichiometric LiNbO3 (MgSLN)
-Applications:
SHG, SFG for visible light oscillation
DFG for telecoms network
OPO, OPG for MIR generation and Quantum
communications
-Device type:
Bulk and Waveguide (proton-exchange only)
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| ■Main features of PPLN (PPMgSLN / PPMgCLN) |
| Our PPMgLN devices are fabricated by QPM technology acquired from Mitsubishi Cable Co., Ltd. |
(1) High efficiency
deff ~15 pm/V
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(2) Long device length
up to ~50mm available |
(3) Room Temperature operation
With Mg doping, high resistance for photorefractive damage even at
room temperature
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| ■Typical Device Features |
Bulk QPM device for 532nm SHG
Material : MgSLN / MgCLN
Size: ~0.5mm W x ~10 mm L available
Thickness: ~ 0.5mm
PM temperature: around room temperature
(customized temperature available also)
AR coating:
Standard spec: R<0.5% at 1064nm and 532nm
Advantages compared to PPMgSLT, LBO:
Can be operated at lower temperatures for 532nm
FOM (FOM= deff2 / n1 x n2 x n3)
over 1.5 times higher than PPMgSLT
over 80 times higher than LBO |
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| Bulk QPM device for OPO/OPG
Material : MgCLN
Size: ~3mm W x ~50mm L available
Thickness: ~1.0mm
PM temperature: TBD
AR coating: TBD (at pump, signal and idler)
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| ■Publication list |
( 2006 )
J.Saikawa, M.Fuji, H.Ishizuki and T.Taira, “High-energy,
narrow-bandwidth 2-μm optical parametric oscillator/power amplifier based
on periodically poled MgO:LiNbO3”, in CLEO/QELS 2006, CThG3 (2006)
M.Maruyama and H.Nakajima,S.Kurimura,N.E.Yu and K.Kitamura "70-mm-long periodically poled Mg-doped st oichiometric LiNbO3 devices for nanosecond optical parametric generation", Appl. Phys. Lett., 89(2006)011101
O.A.Louchev, S.Kurimura, K.Kitamura and N.E.Yu, “Thermal inhibition and control of second harmonic generation in periodically poled LiNbO3 crystals”, in CLEO/QELS 2006, CML5 (2006)
M.Maruyama, H.Nakajima, S.Kurimura and K.Kitamura, “Optical damage resistant 70-mm-long periodically poled Mg doped stoichiometric LiNbO3 for low-threshold optical parametric generation”, in CLEO/QELS 2006, CMB1 (2006)
（2005）
H.Ishizuki and T. Taira; “High-energy quaso-phase-matched optical parametric
oscillation in a periodically poled MgO:LiNbO3 device with a 5 mm X 5
mm aperture”, Opt. Lett. 30 (2005) 2918.
O.A.Louchev, N.E.Yu, S.Kurimura and K.Kitamura, “Thermal inhibition of high-power second-harmonic generation in periodically poled LiNbO3 and LiTaO3 crystals”, Appl. Phys. Lett., 87 (2005) 131101
M.Maruyama, K.Hodoyama, H.Nakajima, N.E.Yu, S.Kurimura and K.Kitamura, “A 70-mm-long periodically-poled Mg-doped stoichiometric LiNbO3 for low-threshold optical parametric generation”, in CLEO/QELS 2005, CthY3 (2005)
（2004）
H. Ishizuki, I shoji,and T. Taira; “High-energy quasi-phase-matched optical parametric oscillation
in a 3-mm-thick periodically poled MgO:LiNbO3 device”, Opt. Lett. 29 (2004) 2527
Y.Sasaki, H.Yokoyama and H.Ito ;”Dual-wavelength optical-pulse
source based on diode lasers for high-repetition-rate, narrow-bandwidth
terahertz-wave generation”, Opt. Exp. 12 (2004) 3066
( 2003 )
N.E.Yu, S.Kurimura, K.Kitamura, J.H.Ro, M.Cha, S.Ashihara, T.Shimura, K.Kuroda and T.Taira ;”Efficient frequency doubling of a femtosecond pulse with simultaneous group-velocity matching and quasi phase matching in periodically poled, MgO-doped lithium niobate”, Appl. Phys. Lett., 82 (2003) 3388
H.Ishizuki, T.Taira, S.Kurimura, J.H.Ro and M.Cha ;”Periodic poling in 3-mm-thick MgO:LiNbO3 crystals, Jpn.J.Appl.Phys.,
( 2001 )
K.Kitamura, Y.Furukawa, S.Takekawa, H.Ito, and V.Gopalan; “Non-Stoichiometric control of LiNbO3 and LiTaO3 in ferroelectric domain engineering for optical device”, Ferroelectrics, 253 (2001) 462
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