A liquid crystal cell is presented that utilizes a deposited metal gasket moisture barrier and
support membrane bonding two opposing plates of glass, a thin film spacer layer to …

Methods and apparatus for broad tuning of single wavelength quantum cascade lasers and
the use of light output from Such lasers for highly sensitive detection of trace gases Such as …

An optical power control system for a semiconductor source spectroscopy system controls
power fluctuations in the tunable signal from the spectroscopy system and thus improves the …

4,516,858 A 5, 1985 Gelbwachs 4,795,253 A 1/1989 Sandridge et al. 5,241,177 A 8, 1993
Albrecht 5,347,527 A 9, 1994 Favre et al. 5,457,709 A 10/1995 Capasso et al. 5,528,040 A …

US9270380B2 - Chip-based advanced modulation format transmitter - Google Patents
US9270380B2 - Chip-based advanced modulation format transmitter - Google Patents Chip-based …

According to one aspect, an IR spectrometer includes a light source adapted to illuminate a
sample, a grating adapted to spectrally disperse a light that has illuminated the sample, a …

Source and tunable signal illuminate a sample with a tunable signal, being tunable over a
scan band. The power control system comprises an amplitude detector system for detecting …

A monolithic integrated optical transmitter comprising (a) an optical source including two
output optical paths and (b) a modulator section that includes an interferometric optical …

A monolithic integrated optical transmitter comprising (a) an optical source including two
output optical paths and (b) a modulator section that includes an interferometric optical …

Various embodiments of a coherent receiver including a widely tunable local oscillator laser
are described herein. In some embodiments, the coherent receiver can be integrated with …