Theory of Higher-Order Hermite-Gaussian Pulse Generation From an FM Mode-Lock…
We describe theoretically the generation of higher-order Hermite-Gaussian (HG) pulses by using FM mode-locking with a specific optical filter $F_{HGm}({\omega })$ , which is characterized by $A_{HG…
Experiments on Generation of Various Dark and Bright Pulses From an FM Mode-L…
We experimentally describe the generation of various dark and bright pulses from an FM mode-locked laser with, for example, Gaussian, secant hyperbolic (sech), double-sided exponential, rectangular…
Experiments on an FM Mode-Locked Laser as an Arbitrary Optical Function Gener…
We describe experimentally that an FM mode-locked laser can generate various optical pulses such as Gaussian, secant hyperbolic (sech), double-sided exponential, rectangular, parabolic, triangular,…
Experiments on an AM Mode-Locked Laser as an Arbitrary Optical Function Gener…
We show experimentally that various optical pulses can be generated from an AM mode-locked laser by employing a 10 GHz harmonically and regeneratively mode-locked erbium fiber laser. A software-con…
Theory of FM Mode-Locking of a Laser as an Arbitrary Optical Function Generator
We describe theoretically a new method for the generation of various pulses from an FM mode-locked laser, where we install a specific optical filter $F_{F}(\omega )$ in the laser cavity, which is c…
Theory of AM Mode-Locking of a Laser as an Arbitrary Optical Function Generator
We present theoretically an AM mode-locked laser that can generate various kinds of optical pulses. By employing a non-perturbative master equation in the frequency domain, we show that we can desi…
10 Tbit/s QAM Quantum Noise Stream Cipher Coherent Transmission Over 160 Km
We describe in detail our recent demonstration of a 10 Tbit/s secure physical layer transmission that we achieved by using digital coherent QAM quantum noise stream cipher (QNSC) and injection-lock…
A Generalized Mode-Locking Theory for a Nyquist Laser With an Arbitrary Roll-…
In this paper (PART II), we present output waveforms and the corresponding spectrum of a periodic Nyquist pulse train with a roll-off factor α emitted from a mode-locked Nyquist laser. In the firs…
A Generalized Mode-Locking Theory for a Nyquist Laser With an Arbitrary Roll-…
In this paper (PART I), we describe master equations and specific optical filters designed to generate a periodic Nyquist pulse train with an arbitrary roll-off factor α that can be emitted from a…
10 Channel WDM 80 Gbit/s/ch, 256 QAM Bi-Directional Coherent Transmission for…
We describe the first on-line 256 QAM digital coherent optical transmission system with an ECLD light source and DFB LD-based injection-locking, and an FPGA-based transceiver. In this system, preci…
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