A B C D E F G H I J K L M N O P Q R S T U V W X Y ZPair Induced Quenching (PIQ)PhasePhase IndexPhononsPhotonPhoton DensityPhotosensitivePolarization Dependent Loss (PDL)Polarization Extinction Ratio (PER)Polarization Maintaining (PM) FiberPolarization ModePolarization Mode Dispersion (PMD)Polarizing FiberPolyimidePopulation InversionPowerPower Conversion EfficiencyPower DensityPressure RatingPressure SensingPropagation ConstantPulse SpreadingPumpingPure Silica Core