Inventor

VASSILIEVA OLGA

US33 patents

⚠️ This page may combine multiple inventors who share the name “VASSILIEVA OLGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VASSILIEVA OLGA

FUJITSU LTD

Constellation shaping of modulation formats for optical communication systems

Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filtering

Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission

Reach extension of multi-carrier channels using unequal subcarrier spacing

System and method for monitoring polarization-dependent loss

Methods and systems for optical channel monitoring with periodic optical filtering of dual polarization signals

System and method for monitoring and control of an optical modulator for an M-QAM transmitter

Carrier suppressed multi-level pulse amplitude modulation

Nonlinear penalty estimation using spectral inversion in optical transport networks

Nonlinear noise mitigation with spectral inversion in optical transport networks

Methods and systems for superchannel power pre-emphasis

Methods and systems for superchannel subcarrier monitoring using amplitude modulated tones

Methods and systems for periodic optical filtering to identify tone modulated optical signals

Crosstalk reduction in optical networks using variable subcarrier power levels

Crosstalk reduction in optical networks using variable subcarrier spectral allocation

System and method for monitoring a dual-polarization signal using an in-band supervisory signal

System and method to analyze impairment of optical transmissions due to combined nonlinear and polarization dependent loss

System and method for compensating signal degradation in dual polarization optical systems

Asymmetric compensation of polarization dependent loss in dual-polarization optical systems

Method and system for assigning modulation format in optical networks

Virtual optical network service with guaranteed availability

Multi-channel optical cross-phase modulation compensator

Network management with per-node cross-phase-modulation (XPM) compensation

Optimization of networks carrying superchannels with different modulation formats

Methods and systems for superchannel subcarrier monitoring using frequency modulation tones

Superchannel power pre-emphasis based on transmission criteria

Mitigation of optical signal to noise ratio degradation arising from polarization dependent loss

KIM INWOONG

Flexible placement of spectral inverters in optical networks

In-band supervisory data modulation

In-band supervisory data modulation using complementary power modulation

VASSILIEVA OLGA

Polarization dependent loss compensation

Optimizing optical network simulations

UNIV TEXAS

Method and system for reducing background artifacts from uniformly redundant array collimators in single photon emission computed tomography