Absorption • Advantage • Amplification • Amplifier • Apd • Atmospheric • Attempt • Audio • Camera • Counting • Cryptographic • Data • Detected • Detecting • Detections • Eavesdropping • Emits • Employed • Encryption • False • Fields • Generates • Gps • Household • Incident • Increase • Individual • Interception • Laser • Lens • Photodiode • Pmts • Pointers • Pressure • Principles • Provide • Radio • Rate • Reflecting • Secure • Security • Sensor • Signal • Signals • Significantly • Snspds • Spads • Thus • Various • Weather