Yes. Optoplex will discuss OEM opportunities for its products with standard or non-standard specifications. Please contact Optoplex Sales persons for such a discussion.

Optoplex's products are based on its patented free-space micro-optics technologies and state-of-the-art, in-house thin-film coating, which are foundations for Optoplex's DPSK demodulators, DQPSK demodulators, 90° optical hybrids, Polarization diversified optical hybrid (QPSK mixer), 2-port tunable optical filters, 3-port reconfigurable optical add/drop multiplexers (ROADMs), Tunable edge filter, Bandwidth-tunable filter, Tunable notch filter, Optical interleavers, Flat-top comb filters, Optical channel monitor (OCM), Optical performance monitors (OPMs), DWM wavelength meter, and Portable spectrometers.

Optoplex's tunable DPSK demodulators utilize the temperature-dependence of an optical part to adjust the phase difference between the two interference beams. The tuning is achieved by varying the temperature of that part through a resistance heater.

For the passive DPSK demodulator, the main advantages are the colorless application (each device with 40- or 50-GHz FSR can be used for all DWDM channels and no need for electric power and the control circuit.) For the fully tunable DPSK demodulator, the user usually choose the FSR to exactly match the signal rate. The main advantage is the ability of tracking signal frequency drift (laser aging; temperature dependence; transmission related frequency chirp) to avoid OSNR penalty. The semi-tunable type combines the advantages of the passive and fully tunable type. It maintains the colorless feature (by choosing 40- or 50-GHz FSR) while gaining some degree of frequency-tracking ability.