Modulator

GKER high bandwidth Zero-Chirp modulators are based on the Mach-Zehnder Interferometer (MZI) architecture. The AM20 & AM40 broadband analog intensity modulators combine high linearity with low driving voltage and small footprint, covering all the frequency range from 20 GHz to beyond 40 GHz (AM20: 20-30 GHz; AM40: > 30 GHz). The increasing demand to shift the transmission frequency in analog fiber optic links towards higher frequency finds in GKER analog modulators the most advanced and suitable answer. The experience and know-how of GKER engineers is available to customize our products to the customer’s specific requirements.

GKER high bandwidth Zero-Chirp modulators are based on the Mach-Zehnder Interferometer(MZI) architecture. They are manufactured using the highly reliable titanium indiffusion technology in X-Cut, Y-Propagating lithium-Niobate substrates.The F10 is a Zero-Chirped, X-Cut single drive modulator designed for high bit rate advanced metro to long haul communication systems that requires the superior performance of X-Cut   lithium niobite. The F10 modulator contains an integrated photo detector that may be used to set and lockthe DC bias on the modulator as well as provide an estimate of the modulator output optical power.

GKER broadband phase modulator combine high linearity with low driving voltage and small footprint, covering all the frequency range up to 10 GHz.

GKER 40 GHz QPSK modulator design is based on a dual parallel structure of two Mach-Zehnder modulators (DP-MZM) embedded in a Mach Zehnder Super-Structure. Each internal modulator is  designed to have EO bandwidth above 20 GHz. Monitor photodiode is provided for automatic bias control (ABC).