NOT KNOWN FACTUAL STATEMENTS ABOUT BAF�?CRYSTAL

It's found that the best Q is expected for your double-period of time asymmetric grating, a element that we make clear by the circumstance that the main-order dispersed Bragg resonator (DBR) is understood for this configuration when, for other configurations, the next-buy DBR comes into Enjoy. Experiments carried out at telecom wavelengths for all