Introduction:

Utilizing the advanced Czochralski growth process, Yong Hee Photonics achieve high optical quality and high uniformity of 1at% Er³⁺ doped lithium niobate single crystals. These crystals are specifically designed for the Active TFLN platform and serve as the core gain material for on-chip integrated photonic devices.

Technical Specifications：

◆ Crystal structure: trigonal system, space groupR3c(C₃v)

◆ Curie temperature: ~1140℃

◆ Refractive index: nₒ≈2.286，nₑ≈2.203(@632.8nm)

◆ Transparent window: 0.35~5.2 μm

◆ Electro-optic coefficient: r₃₃≈ 30‑32 pm/V

◆ Er³⁺Emission wavelength: ~1530nm (⁴I₁₃/₂ →⁴I₁₅/₂)

Applications:

◆On-chip waveguide amplifier(EDWA)

◆Micro-ring laser

◆Quantum photonic integrated chip

◆Nonlinear optical frequency conversion electro-optic tunable microdisk laser

◆High-speed electro-optic modulator

◆Optical communication C-band gain medium

◆Optical frequency comb