【量子光学】 Quantum Optics 1 Quiz 0.0(1)

Quantum Optics 1课程第一次测验

第1题 (不定项选择)

For which reason is it absolutely necessary to quantize light?

A) In order to understand stimulated light emission and absorption.

B) Because quantum technologies based on light may have applications.

C) In order to understand spontaneous emission.

D) Because there exist quantum states of light, which cannot be described classically

第2题 (不定项选择)

Among these states of light, which ones do need a quantum description?

A) Single photon state.

B) Two photons pairs.

C) Many photons states as the one radiated by a laser.

D) Squeezed states of light.

第3题 (单选)

What is the power of a source radiating 1 photon per second at a wavelength of 630 nm?

A) $3.15*10^{-19} W$

B) $3.15*10^{-18} W$

C) $1*10^{-23} W$

第4题 (单选)

What is the photon flux emitted by a 1 mW HeNe laser (Wavelength 630 nm)

A) $3.2*10^{15} photons/s$

B) $7.0*10^{14} photons/s$

C) $6.5*10^{23} photons/s$

补全下方信息(禁止使用符号‘#’，‘/’)，点击Submit Answer按钮提交答案。
姓名(英语/拼音)：

邮箱(手机/其他)：

备注(英语/不填)：

Submit Answer

---提交后等待口令，若无需刷新后重新提交！---

任何问题请联系：email:happyan@piphipsi.com