Linearized modulator for suboctave-bandpass optical analog links

GE Betts - IEEE Transactions on Microwave Theory and …, 1994 - ieeexplore.ieee.org
The spurious-free dynamic range of a suboctave externally modulated optical analog link
can be improved (to> 140 dB Hz/sup 4/5/) with modest received optical power and little …

Gain optimization by modulator-bias control in radio-over-fiber links

MM Sisto, S LaRochelle, LA Rusch - Journal of lightwave technology, 2006 - opg.optica.org
The authors propose a method to optimize the RF gain in narrowband radio-over-fiber links
employing a Mach–Zehnder modulator followed by an erbium-doped fiber amplifier (EDFA) …

Carrier-to-noise ratio optimization by modulator bias control in radio-over-fiber links

MM Sisto, S LaRochelle… - IEEE photonics technology …, 2006 - ieeexplore.ieee.org
We propose a method to optimize the carrier-to-noise ratio (CNR) in optically amplified
narrowband radio-over-fiber links which employ a Mach-Zehnder modulator. This is …

Effect of annealing on photorefractive damage in titanium-indiffused LiNbO/sub 3/modulators

GE Betts, FJ O'Donnell, KG Ray - IEEE photonics technology …, 1994 - ieeexplore.ieee.org
We have evaluated photorefractive effects at 1320-nm and 1064-nm optical wavelengths in
interferometric modulators built using Ti-indiffused waveguides in lithium niobate. The …

Ultra-linear, broadband optical modulator for high performance analog fiber link system

BB Dingel - 2004 IEEE International Topical Meeting on …, 2004 - ieeexplore.ieee.org
We propose a new family of broadband external modulators with ultra-high linearity (SFDR=
147 dB Hz) for analog photonic links applications. To the best of our knowledge, this is the …

High frequency saturation measurements of an InGaAs/InP waveguide photodetector

AR Williams, AL Kellner, PKL Yu - Electronics Letters, 1993 - IET
The high frequency saturation characteristics of an InGaAs/InP waveguide pin photodetector
are measured. At a wavelength of 1.3 μm, the detector has a responsivity of 0.5 A/W and a …

Ultra-high linearized optical modulator

B Dingel - US Patent 6,943,931, 2005 - Google Patents
The invented modulator provides ultra-high linearity (SFDR= 147 dB-HZ), high tolerance,
loW loss, simple archi tecture, and loW cost. It is based on unique combination of phase …

Waveguide design for minimum nonlinear effective area and switching energy in AlGaAs at half the band gap

A Villeneuve, JS Aitchison, B Vogele… - Conference on Lasers …, 1995 - opg.optica.org
In the last few years, many applications of the ultrafast nonlinearity of semiconductors
operated at photon energies below half the band gap have been reported. 1, 2 A number of …

Semiconductor laser sources for externally modulated microwave analog links

GE Betts, JP Donnelly, JN Walpole… - IEEE transactions on …, 1997 - ieeexplore.ieee.org
High-performance semiconductor continous-wave (CW) sources are demonstrated in this
paper, which include a Fabry-Perot (FP) laser oscillator (LO) with relative intensity noise …

Dynamic range of vertical-cavity surface-emitting lasers in multimode links

HLT Lee, RV Dalal, RJ Ram… - IEEE Photonics …, 1999 - ieeexplore.ieee.org
We report spurious-free dynamic-range measurements of 850-nm vertical-cavity surface-
emitting lasers in short multimode links for radio frequency communication. For a 27 m fiber …