HC PHOTONICS CORP.Specializes in PPLN , PPLN waveguide , solid state laser , green laser module , IR sensor cards and precision opto-mechanics.


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Waveguide > RGB

RGB Wavelength Conversion Waveguide

Mechanical Properties

Property	Specification	Tolerance
Substrate material	5.0mol% MgO-doped Congruent Lithium Niobate (MgO:CLN)	-
Substrate material	1.2mol% MgO-doped Stoichiometric Lithium Niobate (MgO:SLN)	-
Length of QPM grating period	1~25 mm	-
Length of mode filter/taper	0.5~3 mm (one side) base on the customer design
Channel-to-channel separation	100 um (Typical)
Crystal dimension L (length)	1~31 mm	+ 0.5 / - 0.5 mm
Crystal dimension W (width)	3~12 mm	+ 0.2 / - 0.2 mm
Crystal dimension T (thickness)	0.5 mm	+ 0.1 / - 0.1 mm

Nonlinear-Optical Properties

Property	Specification	Tolerance
Quasi-phase-matching wavelength (desired OF mixing wavelength or operation wavelength)	Depends on specifications e.g. 976 nm SHG; 1064 nm SHG	± 0.5 nm
Quasi-phase-matching temperature (or operation temperature)	20~80 °C (Typical)	± 5 °C
Propagation loss coefficient	≦ 0.5 dB/cm @ 976 nm ≦ 0.45 dB/cm @ 1064 nm	-
Coupling efficiency	≧ 60% with AR coating (single side) based on 2 cm QPM grating section WG	-
Coupling efficiency
Normalized conversion efficiency	≧ 200~500 %/W/cm2 (Typical SHG) (for 2cm long WG, the conversion efficiency will be ≧ 800~2000%/W)	-
Chip bandwidth acceptance (FWHM)	0.15 nm ． cm @976 nm	-
Temperature tuning coefficient	0.1 nm/°C	± 0.02 nm/°C