WebIn this work, a thin cladding layer of tantalum pentoxide (Ta 2 O 5) is employed in the erbium doped lithium niobate (LN) waveguide amplifier fabricated on the thin film lithium niobate on insulator (LNOI) wafer by the photolithography assisted chemo-mechanical etching (PLACE) technique. Above 20 dB small signal internal net gain is achieved at the signal wavelength … Web28 Jan 2015 · We fabricate the microresonator on an LN thin film which is formed by bonding an ion-sliced LN thin film onto a LN substrate with a sandwiched silica layer 17. …
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Web10 Jul 2024 · By using ultra-thin flakes, fine tuning can be done with high predictability and reproducibility because of the quantized shifts arising from the atomically precise thickness. This is in contrast to continuous mode shifts obtained in conventional methods such as chemical etching, [ 42 ] coating of photochromic films, [ 43 ] and condensation of gases. [ … WebIntroduction As a promising competitor to the widely used lithium-ion battery, rechargeable Zn–air batteries have aroused tremendous interest due to their high energy density, low … Web14 Dec 2024 · Accurate characterization of next-generation thin-film photodetectors. The performance of photodetectors fabricated from emerging semiconductors such as perovskites, quantum dots, two-dimensional ... make my gov account