Tunable midinfrared source by difference frequency generation in bulk periodically poled KTiOPO4

1999 ◽  
Vol 74 (7) ◽  
pp. 914-916 ◽  
Author(s):  
K. Fradkin ◽  
A. Arie ◽  
A. Skliar ◽  
G. Rosenman
Keyword(s):  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Periodically Poled ◽  
Frequency Generation

QUASI-PHASE-MATCHED DIFFERENCE-FREQUENCY GENERATION IN NONLINEAR OPTICAL POLYMER WAVEGUIDES

2004 ◽  
Vol 13 (03n04) ◽  
pp. 391-396 ◽  
Author(s):  
MYUNG-HYUN LEE ◽  
JUNG JIN JU ◽  
MIN-SU KIM ◽  
JUNG YUN DO ◽  
SEUNG KOO PARK ◽  
...  
Keyword(s):  
Communication Systems ◽  
Nonlinear Optical ◽  
Optical Fiber Communication ◽  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Wavelength Converter ◽  
Polymer Waveguides ◽  
Periodically Poled ◽  
Chain Polymer ◽  
Frequency Generation

Nonlinear optical (NLO) polymer is emerging as a new alternative material for a wavelength converter in optical fiber communication systems. We designed and synthesized a polyetherimide-based side-chain polymer with a 4-(dialkylamino)-4′(-(styrylsulfonyl)-stilbene chromophore as a new NLO polymer. We designed and fabricated periodically-poled NLO polymer waveguides for the wavelength converter. Difference-frequency generation (DFG) process with a quasi-phase-matching (QPM) scheme was used. For the first time, we demonstrated a wavelength converter with a DFG conversion efficiency of -47 dB in the periodically-poled NLO polymer waveguides, operating at ~ 1.55 μm.

Widely phase-matched tunable difference-frequency generation in periodically poled LiNbO3 crystal

2008 ◽  
Vol 281 (6) ◽  
pp. 1686-1692 ◽  
Author(s):  
L.H. Deng ◽  
X.M. Gao ◽  
Z.S. Cao ◽  
W.D. Chen ◽  
Y.Q. Yuan ◽  
...  
Keyword(s):  
Difference Frequency Generation ◽  
Difference Frequency ◽  
Linbo3 Crystal ◽  
Periodically Poled ◽  
Frequency Generation
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