In this work, we have shown that phase sensitive amplifier can be used as a pre-amplifier for free-space communication. Although PSA requires three waves at the input, PSA can have almost 3 dB better in
A synchronization scheme for a two-channel phase sensitive amplifier is implemented based on the injection-locking of single InP quantum-dash mode-locked laser.
Two phase-sensitive schemes, a correlation injection scheme and a two-beam phase-sensitive amplifier scheme, are both proposed to realize multi
For the first time, a monolithically integrated photonic phase-sensitive amplification chip is fabricated and demonstrated based on an InP/InGaAsP platform. Different semiconductor optical amplifiers have
Fiber optic parametric and phase sensitive amplifiers (PSA) are interesting for modern day communication technologies due to their low noise
Phase-shift keying (PSK) signals are extensively applied in the commercial optical communication systems owing to their high spectral efficiency. However, amplified spontaneous
Presents a collection of slides covering the following topics: phase sensitive amplifier; PSA; four-wave-mixing; three-wave mixing; phase locked waves; optical injection locking; phase regenerator; binary
The lock-in amplifier (LIA) is a common instrument in physics laboratories that can detect signals with extremely low signal-to-noise ratios. However, to really take advantage of its potential, a
An integrated optical parametric amplifier on thin-film lithium niobate achieves more than 17 dB gain with less than 200 mW input power.
B. Phase sensitive detection lock-in, or phase-sensitive, amplifier is simply a fancy AC voltmeter. Along with the input, one supplies it with a periodic reference signal. The amplifier then responds only to the
On the chip, two tunable laser pumps coherently injection-locked from sidebands of an external modulated tone were generated to enable signal-degenerate dual-pumped phase-sensitive
Abstract: We demonstrate a narrow band phase sensitive amplifier in the pump degenerate configuration which employs ps pump pulses. Control of the amplifier bandwidth is achieved via changes of the
Demonstrated phase synchronization via injection-locking of a single InP QDMLL. Proposed scheme simplifies multi-channel PSAs by using one laser comb
Phase sensitive amplification is indispensable in promoting applications such as all-optical regenerators, quantum communications, all-optical analog-to-digital conversion, and long-distance communications.
We experimentally demonstrate a weak signal detection strategy below detector limit by employing a phase-sensitive amplifier. We show that PSA can effectively detect weak signals with
A two-level phase sensitive amplifier is discussed. It is shown that when two-level atoms are injected in pairs, initially prepared in a coherent superposition of upper and lower levels, it is
Two phase-sensitive schemes, a correlation injection scheme and a two-beam phase-sensitive amplifier scheme, are both proposed to realize multi-way noiseless signal amplification in a
In this article, we aim to provide a comprehensive investigation of the utility of employing a nonlinear fiber with longitudinally varying dispersion, aimed
Abstract: An integrated photonic phase-sensitive amplifier with a dual-pumped four-wave mixing architecture is investigated. Gain curves with multiple are theoretically studied and periods
Randomly modulated signal pulses from an independent source are successfully amplified by a phase-sensitive amplifier with an internal pump light whose optical phase is locked to that of the
Operation of phase-insensitive and phase-sensitive amplifiers. a,b, The phase-insensitive amplifier maintains the signal phase (a), whereas the phase-sensitive
Abstract We experimentally demonstrate a method for realizing quantum squeezing enhancement which is induced by the interference in a two-beam phase-sensitive amplifier (PSA)
A novel optical injection locking amplifier with acousto-optic modulator based phase modulation and a coherent detection scheme for optical frequency transfer applications is
The phase sensitive amplifier was stabilized against thermal fiber expansion using a conventional phase-locked loop and was observed at maximum and minimum gain for both channels, as
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