Request InfoExailPhotline Technologies has released the ModBox 1550-nm differential phase shift keying (DPSK) reference transmitter for use in optical telecommunications laboratories, test beds and production. The 12-Gb/s optical modulation unit generates high-performance DPSK optical data streams and incorporates a modulation stage based on a high-data-rate LiNbO3 Mach-Zehnder modulator, coupled with a high-performance radio-frequency driver and automatic bias control circuitry. It also can receive an internal laser source and a receiver stage based on a delay line interferometer and balanced detector....See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra April 2023 IssueLaser Phase Lock SystemThe OE5000 Hi-Q Laser Phase Lock System from OEwaves Inc. allows the offset locking of two individual lasers separated in frequency by as much as 50 GHz. 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